2021 Chevrolet Silverado 1500 service bulletins & manufacturer communications

500 manufacturer communications are on file with NHTSA for the 2021 Chevrolet Silverado 1500. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• This document assists GM dealer technicians with diagnosing torque converter concerns to ensure torque converter replacement is necessary. The torque converter part number will be …
  PIP6127 · Technical service bulletin · Unknown OR Other · issued Jul 31, 2026
• This PI provides information to repair the door water deflector which is not sealed properly allows water into the door jam/sill area.
  PIT5680B · Technical service bulletin · Unknown OR Other · issued Jul 23, 2026
• PI to help diagnose A/C concern
  PIT5099J · Technical service bulletin · Unknown OR Other · issued Jul 21, 2026
• This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
  PIT5509N · Technical service bulletin · Unknown OR Other · issued Jul 21, 2026
• This PI was created to help avoid unnecessary front camera module replacements
  PIT6473F · Technical service bulletin · Unknown OR Other · issued Jul 17, 2026
• This PI provides a diagnostic tip on poor a/c performance due to a condenser issue and instructions to replace the ac condenser.
  PIT5767B · Technical service bulletin · Unknown OR Other · issued Jul 13, 2026
• The purpose of this PI is to inform dealer technicians of a normal cab pressure relief valve noise to avoid unnecessary part replacement
  PIT6532 · Technical service bulletin · Unknown OR Other · issued Jul 6, 2026
• This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
  PIT5966F · Technical service bulletin · Unknown OR Other · issued Jun 23, 2026
• This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part replacement is necessary
  PIT6523 · Technical service bulletin · Unknown OR Other · issued Jun 10, 2026
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132E · Technical service bulletin · Unknown OR Other · issued Jun 9, 2026
• The document advise technicians after an engine repair involving removal of the camshaft actuators, the vehicle may set p1101 P0172 and or stalls when taken off idle. The technicia…
  PIP6115 · Technical service bulletin · Unknown OR Other · issued May 21, 2026
• This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
  PIT5509M · Technical service bulletin · Unknown OR Other · issued May 14, 2026
• • Improvements to OnStar functionality.
  N25-250552 · Technical service bulletin · Unknown OR Other · issued May 12, 2026
• Pi created to provide GM dealers with information on gathering information for projection issue
  PIC6423A · Technical service bulletin · Unknown OR Other · issued May 11, 2026
• This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
  PIC6551B · Technical service bulletin · Unknown OR Other · issued May 11, 2026
• This PI provide diagnostic tip for an SES MIL with DTC P16A7 and/or P16AF. Dealers are to inspect for a loose connection.
  PIT5687B · Technical service bulletin · Unknown OR Other · issued May 8, 2026
• This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
  PIT6247B · Technical service bulletin · Unknown OR Other · issued May 4, 2026
• This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporar…
  PIT5689N · Technical service bulletin · Unknown OR Other · issued Apr 13, 2026
• This preliminary information communicates information about how to determine if a wheel and tires size change is available.
  PIT3271Q · Technical service bulletin · Unknown OR Other · issued Apr 1, 2026
• This PI was created to help avoid unnecessary front camera module replacements
  PIT6473E · Technical service bulletin · Unknown OR Other · issued Mar 24, 2026
• Improvements to OnStar functionality.
  N25-250552 · Technical service bulletin · Unknown OR Other · issued Mar 21, 2026
• This PI was created to help avoid unnecessary front camera module replacements
  PIT6473D · Technical service bulletin · Unknown OR Other · issued Mar 13, 2026
• This PI was created to help avoid unnecessary front camera module replacements
  PIT6473C · Technical service bulletin · Unknown OR Other · issued Mar 12, 2026
• This Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
  PIT6473B · Technical service bulletin · Unknown OR Other · issued Mar 9, 2026
• This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
  PIP6104 · Technical service bulletin · Unknown OR Other · issued Mar 9, 2026
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902V · Technical service bulletin · Unknown OR Other · issued Mar 9, 2026
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
  PIT6425D · Technical service bulletin · Unknown OR Other · issued Mar 2, 2026
• This preliminary information communicates an issue with the engine running after the ignition is turned off and diagnostic help to isolate a possible Fuel Pump Control Module issue…
  PIT6489 · Technical service bulletin · Unknown OR Other · issued Feb 26, 2026
• This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to referenc…
  PIT5697E · Technical service bulletin · Unknown OR Other · issued Feb 26, 2026
• This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicl…
  PIT5744F · Technical service bulletin · Unknown OR Other · issued Feb 26, 2026
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865L · Technical service bulletin · Unknown OR Other · issued Feb 12, 2026
• Improvements to OnStar functionality. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package…
  N25-250552 · Technical service bulletin · Unknown OR Other · issued Feb 5, 2026
• This preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL along with several low speed lan DTCs.
  PIT6483 · Technical service bulletin · Unknown OR Other · issued Feb 5, 2026
• This Preliminary information communicates the possibility of DTC p0011 p0016 and potential for a rattle or ticking noise to occur from the Intake Cam Actuator, or cover plate screw…
  PIP5921B · Technical service bulletin · Unknown OR Other · issued Jan 30, 2026
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865K · Technical service bulletin · Unknown OR Other · issued Jan 29, 2026
• Certain vehicles listed above, may have a condition in which the body-to-chassis ground strap may be corroded. Dealers will replace the ground strap.
  N252515590 · Service campaign · Electrical System · issued Jan 27, 2026
• Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to e…
  N252494003-02 · Service campaign · Engine · issued Jan 21, 2026
• This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with get…
  PIT6400A · Technical service bulletin · Unknown OR Other · issued Jan 16, 2026
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  PIT6425C · Technical service bulletin · Unknown OR Other · issued Jan 16, 2026
• This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
  PIT6344A · Technical service bulletin · Unknown OR Other · issued Jan 15, 2026
• This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
  PIP6098 · Technical service bulletin · Unknown OR Other · issued Jan 14, 2026
• This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering
  PIP5700G · Technical service bulletin · Unknown OR Other · issued Jan 12, 2026
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902U · Technical service bulletin · Unknown OR Other · issued Jan 8, 2026
• This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Productio…
  PIT5828E · Technical service bulletin · Unknown OR Other · issued Jan 7, 2026
• General Motors has decided to conduct a voluntary emissions recall. A Vehicle Emissions Control Information (VECI) label with correct information may not be present. Dealers are to…
  N252534200 · Service campaign · Unknown OR Other · issued Jan 6, 2026
• This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
  PIT6276B · Technical service bulletin · Unknown OR Other · issued Jan 5, 2026
• This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporar…
  PIT5689M · Technical service bulletin · Unknown OR Other · issued Dec 30, 2025
• This Preliminary information communicates a diagnostic tip for an issue where the starter stays engaged after the engine starts. Dealers are to suspect/monitor the crankshaft posit…
  PIT5984A · Technical service bulletin · Unknown OR Other · issued Dec 25, 2025
• Improvements to OnStar functionality. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package…
  N25-250552 · Technical service bulletin · Unknown OR Other · issued Dec 3, 2025
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132D · Technical service bulletin · Unknown OR Other · issued Nov 26, 2025
• This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehic…
  PIT5214G · Technical service bulletin · Unknown OR Other · issued Nov 20, 2025
• This PI communicates information that Engineering is aware of concern and working to correct false Service Trailer Turn Signal Message when operating the power tailgate with no tra…
  PIT6451 · Technical service bulletin · Unknown OR Other · issued Nov 12, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865J · Technical service bulletin · Unknown OR Other · issued Nov 7, 2025
• Under Field Actions N252494000, N252494001, the service procedure includes performing a PICO test on vehicle engines within the identified suspect VIN population. If the engine pas…
  25-NA-339 · Technical service bulletin · Engine · issued Nov 6, 2025
• This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering
  PIP5700F · Technical service bulletin · Unknown OR Other · issued Oct 30, 2025
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132C · Technical service bulletin · Unknown OR Other · issued Oct 22, 2025
• This Preliminary information communicates to dealer to contact TAC for a specific display issue.
  PIC6591C · Technical service bulletin · Unknown OR Other · issued Oct 21, 2025
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  PIT6425B · Technical service bulletin · Unknown OR Other · issued Oct 18, 2025
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  PIT6425A · Technical service bulletin · Unknown OR Other · issued Oct 17, 2025
• This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
  PIC6551A · Technical service bulletin · Unknown OR Other · issued Oct 16, 2025
• Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause h…
  N242454441 -03 · Service campaign · Power Train · issued Oct 9, 2025
• This PI Addresses a possible solenoid wiring fault and how to inspect the build date to identify
  PIP6088 · Technical service bulletin · Unknown OR Other · issued Oct 8, 2025
• The Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
  PIT6440 · Technical service bulletin · Unknown OR Other · issued Oct 4, 2025
• Certain vehicles listed above, may have a condition that could cause the engine coolant control valve to fail an onboard vehicle diagnostic test. If this condition were to occur, t…
  N252508341 · Service campaign · Engine · issued Sep 16, 2025
• This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The …
  PIT5479H · Technical service bulletin · Unknown OR Other · issued Sep 9, 2025
• New Vehicle Monitoring Programs Section in IVH
  13598 · Technical service bulletin · Unknown OR Other · issued Sep 9, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865H · Technical service bulletin · Unknown OR Other · issued Sep 8, 2025
• This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction…
  23-NA-201 · Technical service bulletin · Electrical System · issued Sep 6, 2025
• This informational bulletin advises the technician of a part number change for long block engines used in the trucks noted.
  24-NA-241 · Technical service bulletin · Engine · issued Sep 6, 2025
• This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
  22-NA-080 · Technical service bulletin · Engine · issued Sep 6, 2025
• Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogra…
  N252510321-02 · Service campaign · Unknown OR Other · issued Sep 5, 2025
• This service bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to correct the customers concern of No Reverse, No Shift Past T…
  25-NA-080 · Technical service bulletin · Power Train · issued Sep 4, 2025
• This P/I is to advise to inspect the stacked plate heat exchanger as possible root cause for any trans concern.
  PIP5845B · Technical service bulletin · Unknown OR Other · issued Aug 30, 2025
• Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogra…
  N252510321-01 · Service campaign · Unknown OR Other · issued Aug 28, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865G · Technical service bulletin · Unknown OR Other · issued Aug 22, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865F · Technical service bulletin · Unknown OR Other · issued Aug 15, 2025
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902T · Technical service bulletin · Unknown OR Other · issued Aug 14, 2025
• Certain vehicles will receive a software update to add to the existing Check Engine Light a Driver Information Center (DIC) warning message if DTC P0016 sets. Dealers will reprogra…
  N252510321 · Service campaign · Unknown OR Other · issued Aug 14, 2025
• This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the secur…
  PIC5650M · Technical service bulletin · Unknown OR Other · issued Aug 7, 2025
• This PI communicates an issue with a SES MIL with DTC P2535, P12A6, P10DA and/or C111B maybe set after replacing the fuel pump driver module. Engineering is working on a fix, but i…
  PIT6396A · Technical service bulletin · Unknown OR Other · issued Aug 5, 2025
• This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
  PIT6247A · Technical service bulletin · Unknown OR Other · issued Aug 5, 2025
• This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should comm…
  PIT5161L · Technical service bulletin · Unknown OR Other · issued Jul 31, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865E · Technical service bulletin · Unknown OR Other · issued Jul 28, 2025
• This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
  PIP5601C · Technical service bulletin · Unknown OR Other · issued Jul 18, 2025
• This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
  PIP5601B · Technical service bulletin · Unknown OR Other · issued Jul 18, 2025
• This Preliminary information communicates A vehicle may have a concern of any of the following DTC's set P3189 P318A P318B P318C P318D P318E P318F P3190. Informs dealer to perform …
  PIP5774B · Technical service bulletin · Unknown OR Other · issued Jul 17, 2025
• This Preliminary information communicates an issue where an aftermarket autostop device or rear taillights is causing a dead battery.
  PIT6031A · Technical service bulletin · Unknown OR Other · issued Jul 8, 2025
• Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to e…
  N252494003-01 · Service campaign · Power Train · issued Jun 26, 2025
• This PI is to inform dealers of a possible issue with an LVDS cable causing the radio to come on unwanted
  PIT6405 · Technical service bulletin · Unknown OR Other · issued Jun 24, 2025
• Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehi…
  N252494770-01 · Service campaign · Unknown OR Other · issued Jun 20, 2025
• This PI communicates a procedure to clean oil leaking from the rain sensor.
  PIC6086J · Technical service bulletin · Unknown OR Other · issued Jun 18, 2025
• This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with get…
  PIT6400 · Technical service bulletin · Unknown OR Other · issued Jun 17, 2025
• Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehi…
  N252494770 · Service campaign · Unknown OR Other · issued Jun 17, 2025
• This PI communicates an issue with a SES MIL with DTC P2535, P12A6, P10DA and/or C111B maybe set after replacing the fuel pump driver module. Engineering is working on a fix, but i…
  PIT6396 · Technical service bulletin · Unknown OR Other · issued Jun 11, 2025
• This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
  PIT6180A · Technical service bulletin · Unknown OR Other · issued Jun 10, 2025
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902S · Technical service bulletin · Unknown OR Other · issued Jun 9, 2025
• This service bulletin provides information on Tire Sidewall Irregularities.
  25-NA-156 · Technical service bulletin · Wheels · issued Jun 7, 2025
• This service bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to correct the customers concern of No Reverse, No Shift Past T…
  25-NA-080 · Technical service bulletin · Power Train · issued Jun 6, 2025
• This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
  00-06-01-026R · Technical service bulletin · Engine · issued Jun 5, 2025
• This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfi…
  07-08-42-006U · Technical service bulletin · Exterior Lighting · issued Jun 2, 2025
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminate…
  PIT5074R · Technical service bulletin · Unknown OR Other · issued May 30, 2025
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminate…
  PIT5074R · Technical service bulletin · Unknown OR Other · issued May 30, 2025
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminate…
  PIT5074R · Technical service bulletin · Unknown OR Other · issued May 30, 2025
• Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to e…
  N252494003 · Service campaign · Engine · issued May 23, 2025
• This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
  PIT5966E · Technical service bulletin · Unknown OR Other · issued May 22, 2025
• This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
  22-NA-161 · Technical service bulletin · Electrical System · issued May 17, 2025
• This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
  23-NA-170 · Technical service bulletin · Engine · issued May 16, 2025
• This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission …
  22-NA-182 · Technical service bulletin · Power Train · issued May 16, 2025
• The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer…
  23-NA-153 · Technical service bulletin · Engine · issued May 15, 2025
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865D · Technical service bulletin · Unknown OR Other · issued May 9, 2025
• This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regar…
  25-NA-118 · Technical service bulletin · Forward Collision Avoidance · issued May 8, 2025
• This informational bulletin provides information on Anti-Chip Coating Appearance.
  25-NA-114 · Technical service bulletin · Structure · issued May 8, 2025
• This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in ot…
  15-NA-010 · Technical service bulletin · Engine · issued May 7, 2025
• This bulletin advises the tech that the Exhaust Roller Follower may be the issue with the engine Ticking noise, misfire or rough run and what to replace if found the cause.
  25-NA-037 · Technical service bulletin · Engine · issued Apr 30, 2025
• This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emissio…
  25-NA-100 · Technical service bulletin · Engine · issued Apr 18, 2025
• This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
  PI0281L · Technical service bulletin · Steering · issued Apr 17, 2025
• This Preliminary information communicates to dealers’ information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perfor…
  PIP5863C · Technical service bulletin · Unknown OR Other · issued Apr 17, 2025
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008E · Technical service bulletin · Unknown OR Other · issued Apr 16, 2025
• This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
  21-NA-166 · Technical service bulletin · Exterior Lighting · issued Apr 15, 2025
• This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551R · Technical service bulletin · Unknown OR Other · issued Apr 12, 2025
• This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
  24-NA-229 · Technical service bulletin · Electrical System · issued Apr 10, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037W · Technical service bulletin · Unknown OR Other · issued Apr 8, 2025
• This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacti…
  PIT5986D · Technical service bulletin · Unknown OR Other · issued Apr 8, 2025
• This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
  25-NA-087 · Technical service bulletin · Electrical System · issued Apr 3, 2025
• This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
  21-NA-139 · Technical service bulletin · Engine · issued Apr 2, 2025
• The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diag…
  13-08-116-001K · Technical service bulletin · Electrical System · issued Mar 31, 2025
• This Preliminary information communicates to use a vacuum to remove any packing material found on top of the service valve body assembly.
  PIP6052 · Technical service bulletin · Unknown OR Other · issued Mar 31, 2025
• This informational bulletin advises the technician that the gasket for the timing chain tensioner is not required.
  25-NA-076 · Technical service bulletin · Engine · issued Mar 29, 2025
• This service bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to correct the customers concern of No Reverse, No Shift Past T…
  25-NA-080 · Technical service bulletin · Power Train · issued Mar 27, 2025
• This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oi…
  25-NA-052 · Technical service bulletin · Engine · issued Mar 25, 2025
• This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder…
  23-NA-185 · Technical service bulletin · Steering · issued Mar 25, 2025
• This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfi…
  07-08-42-006T · Technical service bulletin · Exterior Lighting · issued Mar 25, 2025
• This Preliminary Information communication advises the technician on diagnostic aids to help with the diagnosis and repair of 8 Speed Transmissions
  PIP5943A · Technical service bulletin · Unknown OR Other · issued Mar 25, 2025
• This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4…
  24-NA-098 · Technical service bulletin · Unknown OR Other · issued Mar 21, 2025
• This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
  25-NA-065 · Technical service bulletin · Steering · issued Mar 21, 2025
• This informational bulletin advises the technician of which pan to use if the LCE has been replaced and to install an aluminum pan should be used with a new LCE.
  24-NA-247 · Technical service bulletin · Engine · issued Mar 18, 2025
• This service bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low…
  08-03-10-006I · Technical service bulletin · Wheels · issued Mar 14, 2025
• This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Ca…
  23-NA-073 · Technical service bulletin · Engine · issued Mar 13, 2025
• This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
  15-06-03-001F · Technical service bulletin · Electrical System · issued Mar 12, 2025
• This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
  19-NA-255 · Technical service bulletin · Structure · issued Mar 11, 2025
• This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the vehicle having loss of power and/or having the MIL illum…
  PIE0812A · Technical service bulletin · Engine · issued Mar 7, 2025
• This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
  17-NA-073 · Technical service bulletin · Unknown OR Other · issued Mar 5, 2025
• This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oi…
  25-NA-052 · Technical service bulletin · Engine · issued Mar 4, 2025
• This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
  24-NA-046 · Technical service bulletin · Structure · issued Mar 4, 2025
• This Preliminary information communicates to dealer to contact TAC for a specific display issue.
  PIC6591A · Technical service bulletin · Unknown OR Other · issued Mar 3, 2025
• This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
  PIP5966A · Technical service bulletin · Power Train · issued Mar 2, 2025
• This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
  PIP5966A · Technical service bulletin · Power Train · issued Mar 2, 2025
• This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporar…
  PIT5689L · Technical service bulletin · Engine · issued Feb 28, 2025
• This service bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
  05-03-07-009L · Technical service bulletin · Suspension · issued Feb 25, 2025
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005Y · Technical service bulletin · Unknown OR Other · issued Feb 22, 2025
• This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinke…
  PIT5734H · Technical service bulletin · Unknown OR Other · issued Feb 21, 2025
• This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
  05-08-51-001L · Technical service bulletin · Structure · issued Feb 20, 2025
• This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
  19-NA-129 · Technical service bulletin · Suspension · issued Feb 20, 2025
• This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Techn…
  PIP5358D · Technical service bulletin · Unknown OR Other · issued Feb 20, 2025
• This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.
  22-NA-068 · Technical service bulletin · Electrical System · issued Feb 19, 2025
• This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the …
  16-NA-109 · Technical service bulletin · Steering · issued Feb 18, 2025
• This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551Q · Technical service bulletin · Unknown OR Other · issued Feb 18, 2025
• This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicl…
  PIT5744E · Technical service bulletin · Unknown OR Other · issued Feb 18, 2025
• This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
  PIT6276A · Technical service bulletin · Unknown OR Other · issued Feb 18, 2025
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008D · Technical service bulletin · Unknown OR Other · issued Feb 18, 2025
• This bulletin provides information to the tech on how to diagnosis the EGR system from possible issue that may cause the DTCs to set and cause the customers concern of a MIL Illumi…
  25-NA-032 · Technical service bulletin · Electrical System · issued Feb 17, 2025
• This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacti…
  PIT5986C · Technical service bulletin · Unknown OR Other · issued Feb 15, 2025
• This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
  24-NA-264 · Technical service bulletin · Power Train · issued Feb 13, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037V · Technical service bulletin · Unknown OR Other · issued Feb 13, 2025
• This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
  16-NA-019 · Technical service bulletin · Power Train · issued Feb 12, 2025
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132B · Technical service bulletin · Unknown OR Other · issued Feb 12, 2025
• This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The …
  PIT5479G · Technical service bulletin · Unknown OR Other · issued Feb 7, 2025
• This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated …
  PIT5990C · Technical service bulletin · Unknown OR Other · issued Feb 5, 2025
• This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmis…
  PIP5175F · Technical service bulletin · Power Train · issued Feb 3, 2025
• This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.
  20-NA-175 · Technical service bulletin · Structure · issued Feb 1, 2025
• This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.
  19-NA-257 · Technical service bulletin · Structure · issued Feb 1, 2025
• This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
  21-NA-043 · Technical service bulletin · Electrical System · issued Jan 31, 2025
• This service bulletin provides information on proper use of floor mats.
  10-08-110-001L · Technical service bulletin · Structure · issued Jan 31, 2025
• This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Structure · issued Jan 30, 2025
• This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts …
  22-NA-074 · Technical service bulletin · Engine · issued Jan 30, 2025
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Jan 29, 2025
• This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporar…
  PIT5689K · Technical service bulletin · Unknown OR Other · issued Jan 29, 2025
• This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
  21-NA-135 · Technical service bulletin · Unknown OR Other · issued Jan 28, 2025
• This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the vehicle having loss…
  PIE0812 · Technical service bulletin · Fuel/propulsion System · issued Jan 28, 2025
• Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause h…
  N242454441-02 · Service campaign · Power Train · issued Jan 28, 2025
• This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
  01-08-42-001Q · Technical service bulletin · Exterior Lighting · issued Jan 27, 2025
• This Preliminary information communicates to dealer to contact TAC for a specific display issue.
  PIC6591 · Technical service bulletin · Unknown OR Other · issued Jan 27, 2025
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008C · Technical service bulletin · Unknown OR Other · issued Jan 24, 2025
• This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter.
  22-NA-210 · Technical service bulletin · Engine · issued Jan 23, 2025
• This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading Up To 100 PSI, New Parts To Increase To 147 PSI.
  22-NA-172 · Technical service bulletin · Electrical System · issued Jan 23, 2025
• This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
  21-NA-155 · Technical service bulletin · Electrical System · issued Jan 17, 2025
• This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
  24-NA-239 · Technical service bulletin · Steering · issued Jan 16, 2025
• This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
  22-NA-150 · Technical service bulletin · Electrical System · issued Jan 15, 2025
• This bulletin advises the technician that if the code sets, verify the sensor then inspect the engine oil pump for a sticking valve that may cause the MIL to illuminate.
  24-NA-173 · Technical service bulletin · Engine · issued Jan 10, 2025
• This Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel fuel contamination that may occur during refueling after the…
  PIT6177B · Technical service bulletin · Unknown OR Other · issued Jan 10, 2025
• This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
  09-06-04-026Z · Technical service bulletin · Power Train · issued Jan 9, 2025
• This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer.
  22-NA-218 · Technical service bulletin · Engine · issued Jan 9, 2025
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008B · Technical service bulletin · Power Train · issued Jan 9, 2025
• This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Productio…
  PIT5828D · Technical service bulletin · Service Brakes · issued Jan 9, 2025
• This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of …
  20-NA-166 · Technical service bulletin · Engine · issued Jan 8, 2025
• This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
  PIT6134G · Technical service bulletin · Service Brakes · issued Jan 7, 2025
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Electrical System · issued Jan 7, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037U · Technical service bulletin · Unknown OR Other · issued Jan 4, 2025
• This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Camera Display.
  21-NA-091 · Technical service bulletin · Unknown OR Other · issued Dec 21, 2024
• This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
  PIT6134F · Technical service bulletin · Service Brakes · issued Dec 19, 2024
• This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
  03-06-01-023I · Technical service bulletin · Engine · issued Dec 18, 2024
• This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspecti…
  PIT5386K · Technical service bulletin · Electrical System · issued Dec 18, 2024
• Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause h…
  N242454441-02 · Technical service bulletin · Power Train · issued Dec 17, 2024
• This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
  18-NA-263 · Technical service bulletin · Unknown OR Other · issued Dec 14, 2024
• Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause h…
  N242454441-02 · Technical service bulletin · Power Train · issued Dec 13, 2024
• Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause h…
  N242454441-01 · Service campaign · Power Train · issued Dec 12, 2024
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The…
  PIT5074Q · Technical service bulletin · Unknown OR Other · issued Dec 7, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Dec 6, 2024
• This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
  PIT5962B · Technical service bulletin · Electrical System · issued Dec 6, 2024
• This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to referenc…
  PIT5697D · Technical service bulletin · Unknown OR Other · issued Dec 4, 2024
• This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.
  24-NA-264 · Technical service bulletin · Power Train · issued Nov 27, 2024
• This service bulletin provides repair information to correct customer concerns of Wheel Lock Up, ABS Event, Loud Bang and a Flashing “D” on Driver Information Center (DIC) when Lig…
  21-NA-275 · Technical service bulletin · Power Train · issued Nov 27, 2024
• This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
  08-07-30-035I · Technical service bulletin · Power Train · issued Nov 27, 2024
• Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause h…
  N242454441 · Technical service bulletin · Power Train · issued Nov 27, 2024
• This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
  22-NA-238 · Technical service bulletin · Electrical System · issued Nov 25, 2024
• This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors.
  23-NA-167 · Technical service bulletin · Visibility/wiper · issued Nov 22, 2024
• This bulletin provides diagnostic information when checking the exhaust system for leaks.
  22-NA-168 · Technical service bulletin · Engine · issued Nov 22, 2024
• This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
  19-NA-219 · Technical service bulletin · Engine · issued Nov 22, 2024
• This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok repl…
  PIT5868C · Technical service bulletin · Unknown OR Other · issued Nov 22, 2024
• This informational bulletin advises the technician of a part number change for long block engines used in the trucks noted.
  24-NA-241 · Technical service bulletin · Engine · issued Nov 15, 2024
• This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
  PIT6134E · Technical service bulletin · Service Brakes · issued Nov 15, 2024
• This Preliminary information communicates and issue with a no crank, Key Learn Pending or Ready For FOB 3 Message, Unable To Exit RVS With Push To Start Button, Symptoms Of A Dead …
  PIT5860B · Technical service bulletin · Electrical System · issued Nov 15, 2024
• This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
  PIT6276 · Technical service bulletin · Structure · issued Nov 8, 2024
• This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
  12-08-51-002R · Technical service bulletin · Structure · issued Nov 7, 2024
• This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
  21-NA-043 · Technical service bulletin · Structure · issued Nov 5, 2024
• This informational bulletin advises the technician of which pan to use if the LCE has been replaced and to install an aluminum pan should be used with a new LCE.
  24-NA-247 · Technical service bulletin · Engine · issued Nov 4, 2024
• This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.
  21-NA-089 · Technical service bulletin · Service Brakes · issued Oct 30, 2024
• This informational bulletin advises the technician of a part number change for long block engines used in the trucks noted.
  24-NA-241 · Technical service bulletin · Engine · issued Oct 29, 2024
• This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
  24-NA-239 · Technical service bulletin · Unknown OR Other · issued Oct 28, 2024
• This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
  04-06-01-029K · Technical service bulletin · Steering · issued Oct 28, 2024
• This engineering information (EI) closure ends the need for gathering further information from technicians in regard to a Chirp, Squeal, and/or Whine Type Noise Heard from Front of…
  PIE0804A · Technical service bulletin · Engine · issued Oct 25, 2024
• This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
  PIT5698E · Technical service bulletin · Electrical System · issued Oct 25, 2024
• This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi…
  PIP4723J · Technical service bulletin · Electrical System · issued Oct 25, 2024
• This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
  PIT6134D · Technical service bulletin · Service Brakes · issued Oct 25, 2024
• This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.
  PIT5909C · Technical service bulletin · Structure · issued Oct 24, 2024
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008A · Technical service bulletin · Power Train · issued Oct 23, 2024
• This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
  PIT6134C · Technical service bulletin · Service Brakes · issued Oct 22, 2024
• This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
  PIC6486H · Technical service bulletin · Unknown OR Other · issued Oct 21, 2024
• This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
  PIT5569C · Technical service bulletin · Electrical System · issued Oct 18, 2024
• This Preliminary information communicates the possibility of the Intake Cam Actuator cover plate screws backing out and making unwanted contact with the Cam Carrier.
  PIP5921A · Technical service bulletin · Engine · issued Oct 18, 2024
• This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning disp…
  PIT5387P · Technical service bulletin · Unknown OR Other · issued Oct 17, 2024
• This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
  24-NA-229 · Technical service bulletin · Electrical System · issued Oct 17, 2024
• This Preliminary information communicates to the dealer a process for accessing the procedure to add attachments to a GM technical assistance case using the dealer case management …
  PIP6015 · Technical service bulletin · Unknown OR Other · issued Oct 16, 2024
• This bulletin advises the tech of a part number change for the engine kit assembly.
  24-NA-188 · Technical service bulletin · Engine · issued Oct 16, 2024
• This bulletin advises the tech of a part number change for the engine kit assembly.
  24-NA-188 · Technical service bulletin · Engine · issued Oct 16, 2024
• This service bulletin provides a procedure to correct radio software concerns.
  24-NA-108 · Technical service bulletin · Unknown OR Other · issued Oct 16, 2024
• This Preliminary information communicates information on faulty replacement K111 Fuel Pump Driver Control Module.
  PIT6259 · Technical service bulletin · Fuel/propulsion System · issued Oct 15, 2024
• This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs should be.
  24-NA-225 · Technical service bulletin · Fuel/propulsion System · issued Oct 15, 2024
• This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should…
  24-NA-040 · Technical service bulletin · Unknown OR Other · issued Oct 11, 2024
• This Preliminary information communicates for Technicians installing a Service Replacement Transmission Assembly to contact Technical Assistance to make sure unit is not suspect of…
  PIP6014 · Technical service bulletin · Power Train · issued Oct 10, 2024
• This informational bulletin advises the tech and the customer of a normal DEF operation while under high load conditions and when the time is right to fill the DEF at that time fra…
  24-NA-196 · Technical service bulletin · Engine · issued Oct 9, 2024
• This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
  10-00-89-009F · Technical service bulletin · Unknown OR Other · issued Oct 9, 2024
• This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
  19-NA-255 · Technical service bulletin · Structure · issued Oct 8, 2024
• This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Ca…
  23-NA-073 · Technical service bulletin · Engine · issued Oct 7, 2024
• This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
  12-08-51-002Q · Technical service bulletin · Structure · issued Oct 7, 2024
• This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
  03-06-01-023H · Technical service bulletin · Engine · issued Oct 7, 2024
• This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Structure · issued Oct 5, 2024
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011Q · Technical service bulletin · Engine · issued Oct 5, 2024
• This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TA…
  PIP5621E · Technical service bulletin · Unknown OR Other · issued Oct 4, 2024
• This Preliminary information communicates an issue of the wrong part number WSS being installed during a service procedure and to warn dealership tech to make sure the correct part…
  PIT5950B · Technical service bulletin · Unknown OR Other · issued Oct 3, 2024
• This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
  99-00-89-019Z · Technical service bulletin · Unknown OR Other · issued Oct 3, 2024
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Electrical System · issued Oct 3, 2024
• This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
  23-NA-154 · Technical service bulletin · Unknown OR Other · issued Oct 2, 2024
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037T · Technical service bulletin · Unknown OR Other · issued Oct 2, 2024
• This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
  PIT6247 · Technical service bulletin · Unknown OR Other · issued Oct 1, 2024
• This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551P · Technical service bulletin · Forward Collision Avoidance · issued Oct 1, 2024
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051J · Technical service bulletin · Engine · issued Sep 27, 2024
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051J · Technical service bulletin · Engine · issued Sep 27, 2024
• This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on hearing one or more of…
  PIE0804 · Technical service bulletin · Engine · issued Sep 26, 2024
• This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing “D” on Driver Information Center (DIC) whe…
  21-NA-275 · Technical service bulletin · Power Train · issued Sep 25, 2024
• This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap ar…
  17-NA-302 · Technical service bulletin · Fuel/propulsion System · issued Sep 23, 2024
• This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
  23-NA-219 · Technical service bulletin · Structure · issued Sep 21, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Sep 21, 2024
• This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and inf…
  20-NA-138 · Technical service bulletin · Power Train · issued Sep 17, 2024
• This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction…
  23-NA-201 · Technical service bulletin · Service Brakes · issued Sep 17, 2024
• This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
  21-NA-166 · Technical service bulletin · Electrical System · issued Sep 17, 2024
• This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be acco…
  08-07-30-026I · Technical service bulletin · Power Train · issued Sep 16, 2024
• This Preliminary information communicates and issue with a no crank, Key Learn Pending or Ready For FOB 3 Message, Unable To Exit RVS With Push To Start Button, Symptoms Of A Dead …
  PIT5860C · Technical service bulletin · Unknown OR Other · issued Sep 16, 2024
• This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporar…
  PIT5689J · Technical service bulletin · Engine · issued Sep 16, 2024
• This Preliminary information communicates to the dealer, a potential rough running condition following an autostop event that is caused by the incorrect crankshaft position sensor.
  PIP5949A · Technical service bulletin · Engine · issued Sep 16, 2024
• This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
  18-NA-146 · Technical service bulletin · Unknown OR Other · issued Sep 14, 2024
• This Preliminary information communicates an issues with water/ice building up on the door sill plate and advising dealership to inspect and reseal the door water deflector.
  PIT5680A · Technical service bulletin · Structure · issued Sep 14, 2024
• This Preliminary Information communication advises the technician on a parts restriction on the Generation I 8 speed rear wheel drive valve bodies.
  PIP6000A · Technical service bulletin · Power Train · issued Sep 14, 2024
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132A · Technical service bulletin · Unknown OR Other · issued Sep 14, 2024
• This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
  PIT5966D · Technical service bulletin · Unknown OR Other · issued Sep 14, 2024
• This bulletin advises the technician that if the code sets, verify the sensor then inspect the engine oil pump for a sticking valve that may cause the MIL to illuminate.
  24-NA-173 · Technical service bulletin · Engine · issued Sep 13, 2024
• This Preliminary Information communication advises the technician on a parts restriction on the Generation I 8 speed rear wheel drive valve bodies.
  PIP6000 · Technical service bulletin · Power Train · issued Sep 13, 2024
• This Preliminary information communicates a part restriction for certain MY 2.7 L3B service engines
  PIP5990A · Technical service bulletin · Engine · issued Sep 13, 2024
• This Preliminary information communicates diagnostic information for vehicles with transmission noise.
  PIP5996A · Technical service bulletin · Power Train · issued Sep 13, 2024
• This bulletin advises the tech that if the wrong mounts are installed, this may be the cause of the engine vibration.
  24-NA-186 · Technical service bulletin · Structure · issued Sep 12, 2024
• Service Update. Certain vehicles equipped with a 2.7L engine (RPO L3B), may have an Engine Control Module (ECM) that does not sufficiently control fuel injector flow rate under cer…
  N242450631 · Service campaign · Engine · issued Sep 12, 2024
• This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors…
  PIT5099H · Technical service bulletin · Unknown OR Other · issued Sep 12, 2024
• This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors…
  PIT5099H · Technical service bulletin · Unknown OR Other · issued Sep 12, 2024
• This Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel fuel contamination that may occur during refueling after the…
  PIT6177A · Technical service bulletin · Suspension · issued Sep 12, 2024
• This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission …
  22-NA-182 · Technical service bulletin · Power Train · issued Sep 11, 2024
• This Preliminary information communicates that a dealer may find the underhood beauty covers missing. The dealer is advised that these are missing by design and should not be order…
  PIT6220 · Technical service bulletin · Unknown OR Other · issued Sep 11, 2024
• This Preliminary information communicates diagnostic information for vehicles with transmission noise
  PIP5996 · Technical service bulletin · Power Train · issued Sep 11, 2024
• This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer B…
  PIT5509L · Technical service bulletin · Service Brakes · issued Sep 11, 2024
• This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appe…
  PIC6086H · Technical service bulletin · Unknown OR Other · issued Sep 11, 2024
• This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which i…
  PIT6212 · Technical service bulletin · Service Brakes · issued Sep 11, 2024
• This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
  07-00-89-036K · Technical service bulletin · Unknown OR Other · issued Sep 10, 2024
• This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if found the cause of the customers concern of No Forward Gear When…
  23-NA-142 · Technical service bulletin · Power Train · issued Sep 9, 2024
• This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
  19-NA-129 · Technical service bulletin · Suspension · issued Sep 9, 2024
• This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
  02-00-89-002X · Technical service bulletin · Unknown OR Other · issued Sep 9, 2024
• This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
  PIT6134B · Technical service bulletin · Service Brakes · issued Sep 6, 2024
• This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibr…
  PIT3271P · Technical service bulletin · Unknown OR Other · issued Sep 6, 2024
• This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the secur…
  PIC5650L · Technical service bulletin · Electrical System · issued Sep 6, 2024
• This Preliminary information communicates a diagnostic tip for an SES MIL at startup with DTC U0100. Dealer are to test the accessory wake up circuit to the ECM for power.
  PIT6198 · Technical service bulletin · Unknown OR Other · issued Sep 6, 2024
• This Preliminary information communicates to the dealer an issue where a vehicle may be exhibiting an engine noise condiion. The dealer is instructed on how to isolate the noise to…
  PIP5832A · Technical service bulletin · Engine · issued Sep 4, 2024
• This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated …
  PIT5990B · Technical service bulletin · Structure · issued Sep 4, 2024
• This bulletin advises the tech to validate the vibration and to perform an Engine mount balance to verify if the mounts were binding and the cause of the customer concern.
  24-NA-175 · Technical service bulletin · Engine · issued Aug 30, 2024
• This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No St…
  21-NA-149 · Technical service bulletin · Electrical System · issued Aug 29, 2024
• Certain vehicles may have a condition in which a transmission control body screen detaches from the spacer plate when the vehicle is operated in extremely cold weather conditions. …
  N222389722 · Service campaign · Electrical System · issued Aug 28, 2024
• The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
  24-NA-174 · Technical service bulletin · Unknown OR Other · issued Aug 27, 2024
• Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which mo…
  General Communication · Service campaign · Electrical System · issued Aug 26, 2024
• This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
  05-03-08-002J · Technical service bulletin · Suspension · issued Aug 22, 2024
• This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
  05-03-08-002J · Technical service bulletin · Suspension · issued Aug 22, 2024
• This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and pre…
  18-NA-073 · Technical service bulletin · Engine · issued Aug 19, 2024
• This service bulletin provides information on AGM batteries that require less frequent charging in storage.
  23-NA-044 · Technical service bulletin · Engine · issued Aug 16, 2024
• This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model yea…
  PIT5481J · Technical service bulletin · Electrical System · issued Aug 16, 2024
• his Preliminary information communicates an issue that when an engine mount is replaced there may be additional parts replaced along with the engine mount and dealership are to ref…
  PIT6036A · Technical service bulletin · Unknown OR Other · issued Aug 16, 2024
• This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporar…
  PIT5689H · Technical service bulletin · Engine · issued Aug 16, 2024
• This Preliminary information communicates a part restriction for certain MY 2.7 L3B service engines
  PIP5990 · Technical service bulletin · Engine · issued Aug 16, 2024
• This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine.
  PIC6486G · Technical service bulletin · Unknown OR Other · issued Aug 15, 2024
• This Preliminary information communicates an issue with the out of park signal, used by upfitters, being inoperative. Dealers are to reprogram the BCM with updated cals to enable t…
  PIT5811A · Technical service bulletin · Unknown OR Other · issued Aug 15, 2024
• This Preliminary information communicates the possibility of DTC P30BF failing on low mile vehicles due to the possibility of the cylinder 1/2 sliding barrel binding on intake cams…
  PIP5865C · Technical service bulletin · Fuel/propulsion System · issued Aug 13, 2024
• This Preliminary information communicates an issues of the left rear leaf spring making a squeaking noise due to diesel fuel contamination that may occur during refueling after the…
  PIT6177 · Technical service bulletin · Fuel/propulsion System · issued Aug 13, 2024
• This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
  PIT6180 · Technical service bulletin · Seats · issued Aug 13, 2024
• This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
  PIT6134A · Technical service bulletin · Electrical System · issued Aug 13, 2024
• This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the …
  PIP5569B · Technical service bulletin · Electrical System · issued Aug 13, 2024
• This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
  PIC6486F · Technical service bulletin · Electrical System · issued Aug 13, 2024
• This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crank…
  PIP5712C · Technical service bulletin · Engine · issued Aug 13, 2024
• This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
  PIC6551 · Technical service bulletin · Electrical System · issued Aug 13, 2024
• This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the cust…
  PIT5195H · Technical service bulletin · Electrical System · issued Aug 13, 2024
• This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacti…
  PIT5986B · Technical service bulletin · Suspension · issued Aug 13, 2024
• This service bulletin explains how to identify possible DEF system contamination.
  19-NA-237 · Technical service bulletin · Engine · issued Aug 12, 2024
• This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.
  24-NA-043 · Technical service bulletin · Fuel/propulsion System · issued Aug 9, 2024
• This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
  16-NA-380 · Technical service bulletin · Engine · issued Aug 9, 2024
• This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system.
  16-NA-244 · Technical service bulletin · Engine · issued Aug 9, 2024
• This Informational bulletin advises the technician of possible areas the oil may leak from the engine.
  23-NA-011 · Technical service bulletin · Engine · issued Aug 9, 2024
• This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
  01-00-89-010S · Technical service bulletin · Unknown OR Other · issued Aug 9, 2024
• This informational bulletin advises the technician that the engine and related parts will be debited if found that the tech did not properly prepare the engine block from dirt and …
  23-NA-141 · Technical service bulletin · Engine · issued Aug 8, 2024
• This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
  07-06-01-016J · Technical service bulletin · Engine · issued Aug 8, 2024
• This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
  16-NA-222 · Technical service bulletin · Engine · issued Aug 7, 2024
• This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles a…
  05-06-04-022V · Technical service bulletin · Fuel/propulsion System · issued Aug 7, 2024
• This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
  00-06-01-012N · Technical service bulletin · Engine · issued Aug 7, 2024
• This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
  09-06-04-026Y · Technical service bulletin · Electrical System · issued Aug 6, 2024
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011P · Technical service bulletin · Engine · issued Aug 5, 2024
• This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (M…
  18-NA-103 · Technical service bulletin · Engine · issued Aug 3, 2024
• This bulletin advises the technician of a possible kinked coolant hose that might be causing the customers concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P026A Set…
  21-NA-271 · Technical service bulletin · Engine · issued Aug 2, 2024
• This informational bulletin provides a way for the technician to identify if the ECM has been modified.
  20-NA-090 · Technical service bulletin · Engine · issued Aug 1, 2024
• This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
  18-NA-306 · Technical service bulletin · Unknown OR Other · issued Aug 1, 2024
• This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
  PI0754G · Technical service bulletin · Visibility/wiper · issued Jul 31, 2024
• This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
  20-NA-082 · Technical service bulletin · Engine · issued Jul 31, 2024
• This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if found the cause of the customers concern of No Forward Gear When…
  23-NA-142 · Technical service bulletin · Power Train · issued Jul 30, 2024
• This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
  18-NA-279 · Technical service bulletin · Electrical System · issued Jul 26, 2024
• This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
  16-NA-158 · Technical service bulletin · Unknown OR Other · issued Jul 26, 2024
• GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inad…
  24-NA-141 · Technical service bulletin · Power Train · issued Jul 24, 2024
• This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
  12-01-37-001G · Technical service bulletin · Electrical System · issued Jul 24, 2024
• This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
  20-NA-038 · Technical service bulletin · Fuel/propulsion System · issued Jul 23, 2024
• This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
  00-03-10-002M · Technical service bulletin · Wheels · issued Jul 22, 2024
• This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if found the cause of the customers concern of No Forward Gear When…
  23-NA-142 · Technical service bulletin · Power Train · issued Jul 18, 2024
• This service bulletin explains the difference in oil filters for gas engines with new oil pump control systems and the possibilities of what may happen using the incorrect filter.
  17-NA-157 · Technical service bulletin · Engine · issued Jul 17, 2024
• This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.
  21-NA-089 · Technical service bulletin · Service Brakes · issued Jul 11, 2024
• This technical bulletin provides repair information to correct a customer concern of Charge Air Cooler (CAC) Icing, Check Engine Lamp Illuminated, Possible P0299, P2227, and/or P03…
  23-NA-002 · Technical service bulletin · Electrical System · issued Jul 10, 2024
• This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
  99-04-20-002O · Technical service bulletin · Power Train · issued Jul 9, 2024
• This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
  19-NA-129 · Technical service bulletin · Suspension · issued Jul 9, 2024
• This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
  16-NA-019 · Technical service bulletin · Power Train · issued Jul 9, 2024
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051I · Technical service bulletin · Fuel/propulsion System · issued Jun 29, 2024
• This service bulletin advises the technician that the purge pump part number has changed and limited supply.
  24-NA-123 · Technical service bulletin · Engine · issued Jun 28, 2024
• This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or mi…
  16-NA-383 · Technical service bulletin · Engine · issued Jun 28, 2024
• This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
  22-NA-070 · Technical service bulletin · Unknown OR Other · issued Jun 18, 2024
• This service bulletin provides a procedure to correct radio software concerns.
  24-NA-108 · Technical service bulletin · Electrical System · issued Jun 17, 2024
• This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
  22-NA-018 · Technical service bulletin · Unknown OR Other · issued Jun 17, 2024
• This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
  18-NA-099 · Technical service bulletin · Unknown OR Other · issued Jun 17, 2024
• This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
  19-NA-218 · Technical service bulletin · Engine · issued Jun 15, 2024
• This service bulletin provides information for engine oil life monitor operation calculation.
  18-NA-125 · Technical service bulletin · Electrical System · issued Jun 14, 2024
• This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission …
  22-NA-182 · Technical service bulletin · Power Train · issued Jun 12, 2024
• This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts…
  21-NA-068 · Technical service bulletin · Electrical System · issued Jun 8, 2024
• This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4…
  24-NA-098 · Technical service bulletin · Electrical System · issued Jun 6, 2024
• This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host…
  20-NA-016 · Technical service bulletin · Unknown OR Other · issued Jun 5, 2024
• The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.
  23-NA-032 · Technical service bulletin · Electrical System · issued May 30, 2024
• This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
  19-NA-129 · Technical service bulletin · Suspension · issued May 29, 2024
• This technical bulletin provides a procedure for the techs to replace the forward check ball and separator plate if found the cause of the customers concern of No Forward Gear When…
  23-NA-142 · Technical service bulletin · Power Train · issued May 25, 2024
• This service bulletin provides information for engine oil life monitor operation calculation.
  18-NA-125 · Technical service bulletin · Electrical System · issued May 17, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued May 16, 2024
• This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in…
  19-NA-136 · Technical service bulletin · Power Train · issued May 16, 2024
• This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
  08-07-30-035H · Technical service bulletin · Power Train · issued May 16, 2024
• This technical bulletin provides repair information to correct a customer concern of a squeak and/or clunking noise coming from the rear of the vehicle.
  19-NA-129 · Technical service bulletin · Suspension · issued May 15, 2024
• This warranty administration bulletin provides policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Cana…
  16-NA-119 · Technical service bulletin · Unknown OR Other · issued May 14, 2024
• This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
  22-NA-070 · Technical service bulletin · Unknown OR Other · issued May 9, 2024
• This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
  22-NA-150 · Technical service bulletin · Engine · issued May 9, 2024
• This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support t…
  09-00-89-008G · Technical service bulletin · Unknown OR Other · issued May 7, 2024
• This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
  18-NA-067 · Technical service bulletin · Wheels · issued May 6, 2024
• This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Warranty extension · Electrical System · issued May 3, 2024
• This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.
  22-NA-106 · Technical service bulletin · Wheels · issued May 3, 2024
• This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
  18-NA-361 · Technical service bulletin · Electrical System · issued May 3, 2024
• This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only).
  23-NA-154 · Technical service bulletin · Unknown OR Other · issued May 2, 2024
• This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
  21-NA-043 · Technical service bulletin · Unknown OR Other · issued May 1, 2024
• This service bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Res…
  06-00-89-029V · Technical service bulletin · Seats · issued May 1, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Apr 30, 2024
• The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diag…
  13-08-116-001J · Technical service bulletin · Electrical System · issued Apr 30, 2024
• This service bulletin provides information on proper use of floor mats.
  10-08-110-001K · Technical service bulletin · Unknown OR Other · issued Apr 30, 2024
• This service bulletin provides information for dealers/technicians on Over The Air (OTA) and In Market Enhancement (IME) FAQs.
  23-NA-125 · Technical service bulletin · Electrical System · issued Apr 26, 2024
• This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
  18-NA-279 · Technical service bulletin · Electrical System · issued Apr 26, 2024
• This service bulletin provides technicians with information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
  15-00-89-004G · Technical service bulletin · Suspension · issued Apr 26, 2024
• This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
  00-03-10-006P · Technical service bulletin · Wheels · issued Apr 18, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Equipment · issued Apr 16, 2024
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Electrical System · issued Apr 10, 2024
• This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
  21-NA-155 · Technical service bulletin · Service Brakes, Hydraulic · issued Apr 8, 2024
• This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
  17-NA-052 · Technical service bulletin · Equipment · issued Apr 8, 2024
• This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure of the valve body.
  22-NA-258 · Technical service bulletin · Power Train · issued Apr 2, 2024
• This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
  23-NA-112 · Technical service bulletin · Electrical System · issued Mar 28, 2024
• This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
  10-08-45-001H · Technical service bulletin · Electrical System · issued Mar 28, 2024
• This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S.…
  19-NA-255 · Technical service bulletin · Structure · issued Mar 27, 2024
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Electrical System · issued Mar 26, 2024
• This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
  PIC6486E · Technical service bulletin · Equipment · issued Mar 22, 2024
• This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
  23-NA-103 · Technical service bulletin · Equipment · issued Mar 21, 2024
• This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of …
  20-NA-166 · Technical service bulletin · Engine and Engine Cooling · issued Mar 21, 2024
• This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S.…
  19-NA-255 · Technical service bulletin · Structure · issued Mar 21, 2024
• This service bulletin provides repair information to correct a customer concerns of Radio Software issues.
  24-NA-060 · Technical service bulletin · Electrical System · issued Mar 20, 2024
• This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap ar…
  17-NA-302 · Technical service bulletin · Fuel System, Diesel · issued Mar 20, 2024
• This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure you the valve body.
  22-NA-258 · Technical service bulletin · Electrical System · issued Mar 18, 2024
• This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
  PIT6134 · Technical service bulletin · Service Brakes, Air · issued Mar 15, 2024
• This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or …
  16-NA-383 · Technical service bulletin · Engine and Engine Cooling · issued Mar 13, 2024
• This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.
  23-NA-170 · Technical service bulletin · Electrical System · issued Mar 11, 2024
• This informational bulletin provides information for dealers/technicians on Body Control Module Programming due to Window Motor Changes Related to Microprocessor Shortage.
  21-NA-171 · Technical service bulletin · Equipment · issued Mar 11, 2024
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037S · Technical service bulletin · Equipment · issued Mar 11, 2024
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005X · Technical service bulletin · Equipment · issued Mar 10, 2024
• This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporar…
  PIT5689G · Technical service bulletin · Electrical System · issued Mar 7, 2024
• This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
  24-NA-046 · Technical service bulletin · Visibility · issued Mar 7, 2024
• This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.
  24-NA-043 · Technical service bulletin · Fuel System, Diesel · issued Mar 7, 2024
• This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/…
  PIP5843D · Technical service bulletin · Exterior Lighting · issued Mar 6, 2024
• This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perfor…
  PIP5863B · Technical service bulletin · Engine and Engine Cooling · issued Mar 5, 2024
• This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pres…
  PIP5596A · Technical service bulletin · Fuel System, Gasoline · issued Mar 4, 2024
• This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the …
  PIT5448J · Technical service bulletin · Equipment · issued Mar 4, 2024
• This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should…
  24-NA-040 · Technical service bulletin · Equipment · issued Mar 4, 2024
• This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
  17-NA-073 · Technical service bulletin · Unknown OR Other · issued Mar 1, 2024
• This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation.
  PIP5968 · Technical service bulletin · Power Train · issued Feb 27, 2024
• This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
  23-NA-112 · Technical service bulletin · Structure · issued Feb 26, 2024
• This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Ca…
  23-NA-073 · Technical service bulletin · Engine and Engine Cooling · issued Feb 26, 2024
• This service bulletin provides a procedure to replace the valve lifter and guides to correct customer concerns of Poor Engine Performance, Engine Misfires, Malfunction Indicator La…
  23-NA-043 · Technical service bulletin · Engine and Engine Cooling · issued Feb 26, 2024
• This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission …
  22-NA-182 · Technical service bulletin · Power Train · issued Feb 26, 2024
• This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
  PIP5966 · Technical service bulletin · Power Train · issued Feb 23, 2024
• This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporar…
  PIT5689F · Technical service bulletin · Engine and Engine Cooling · issued Feb 23, 2024
• This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.
  24-NA-020 · Technical service bulletin · Engine and Engine Cooling · issued Feb 23, 2024
• This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts …
  22-NA-074 · Technical service bulletin · Engine and Engine Cooling · issued Feb 22, 2024
• This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicl…
  PIT5744D · Technical service bulletin · Lane Departure · issued Feb 21, 2024
• This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on th…
  PIT4322P · Technical service bulletin · Electronic Stability Control · issued Feb 21, 2024
• This Preliminary information communicates how to isolate a tick noise from the rear axle housing.
  PIP5962 · Technical service bulletin · Power Train · issued Feb 21, 2024
• This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. …
  PIT5551N · Technical service bulletin · Forward Collision Avoidance · issued Feb 21, 2024
• This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder…
  23-NA-185 · Technical service bulletin · Power Train · issued Feb 14, 2024
• This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.
  24-NA-020 · Technical service bulletin · Engine and Engine Cooling · issued Feb 12, 2024
• This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
  19-NA-044 · Technical service bulletin · Fuel System, Gasoline · issued Feb 7, 2024
• This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
  16-NA-222 · Technical service bulletin · Engine and Engine Cooling · issued Feb 7, 2024
• This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The …
  PIT5479F · Technical service bulletin · Service Brakes · issued Feb 6, 2024
• This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
  22-NA-150 · Technical service bulletin · Electrical System · issued Feb 5, 2024
• This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and ex…
  16-NA-338 · Technical service bulletin · Engine and Engine Cooling · issued Feb 2, 2024
• This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO updates on Apple 15 phones and advises customer to update th…
  PIT6097C · Technical service bulletin · Equipment · issued Jan 31, 2024
• This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) â FAQs.
  23-NA-055 · Technical service bulletin · Equipment · issued Jan 30, 2024
• This Preliminary information communicates an issue where the minor tailgate will not open due to an aftermarket device installed on the vehicle.
  PIT6119 · Technical service bulletin · Structure · issued Jan 30, 2024
• This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will nee…
  PIT5702E · Technical service bulletin · Electrical System · issued Jan 30, 2024
• This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinke…
  PIT5734G · Technical service bulletin · Visibility · issued Jan 30, 2024
• This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Servic…
  23-NA-189 · Technical service bulletin · Electrical System · issued Jan 29, 2024
• This service bulletin provides Information on Purge Pump Part Replacement and Purge pump Part Number Interchangeability.
  23-NA-214 · Technical service bulletin · Engine and Engine Cooling · issued Jan 26, 2024
• This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipp…
  21-NA-132 · Technical service bulletin · Engine and Engine Cooling · issued Jan 25, 2024
• This technical bulletin provides repair information to correct a customer concern of 2020 - 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3.
  22-NA-112 · Technical service bulletin · Electrical System · issued Jan 19, 2024
• This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
  PI0281K · Technical service bulletin · Structure · issued Jan 18, 2024
• This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S.…
  19-NA-255 · Technical service bulletin · Structure · issued Jan 18, 2024
• This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for other po…
  22-NA-246 · Technical service bulletin · Power Train · issued Jan 18, 2024
• This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
  23-NA-170 · Technical service bulletin · Engine and Engine Cooling · issued Jan 16, 2024
• This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
  18-NA-099 · Technical service bulletin · Equipment · issued Jan 16, 2024
• This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose …
  PIP5601B · Technical service bulletin · Equipment · issued Jan 12, 2024
• This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. While this is a customer dissatisfier, it does not pos…
  PIT6084A · Technical service bulletin · Equipment · issued Jan 12, 2024
• This PI bulletin advises the technician on the proper way to install the pistons in an engine.
  PI1394B · Technical service bulletin · Engine and Engine Cooling · issued Jan 12, 2024
• This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
  02-08-42-001J · Technical service bulletin · Exterior Lighting · issued Jan 12, 2024
• This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
  21-NA-155 · Technical service bulletin · Trailer Hitches · issued Jan 11, 2024
• This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should comm…
  PIT5161K · Technical service bulletin · Fuel System, Gasoline · issued Jan 10, 2024
• This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into …
  PIT5743D · Technical service bulletin · Electrical System · issued Jan 9, 2024
• This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Productio…
  PIT5828C · Technical service bulletin · Electrical System · issued Jan 9, 2024
• This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fit…
  PIT5733D · Technical service bulletin · Exterior Lighting · issued Jan 9, 2024
• This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E696…
  PI0592I · Technical service bulletin · Electrical System · issued Jan 8, 2024
• This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
  22-NA-150 · Technical service bulletin · Electrical System · issued Jan 4, 2024
• This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder…
  23-NA-185 · Technical service bulletin · Equipment · issued Jan 3, 2024
• This Preliminary information communicates some diagnostic tips to inspect for no/low voltage at the ECM for a customers complaints of a SES MIL, Crank No Start, stalling DTC's: P16…
  PIT5687A · Technical service bulletin · Unknown OR Other · issued Jan 2, 2024
• This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
  18-NA-180 · Technical service bulletin · Electrical System · issued Dec 31, 2023
• This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
  19-NA-218 · Technical service bulletin · Engine and Engine Cooling · issued Dec 22, 2023
• This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
  22-NA-150 · Technical service bulletin · Electrical System · issued Dec 21, 2023
• This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspecti…
  PIT5386J · Technical service bulletin · Back Over Prevention · issued Dec 20, 2023
• This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle.
  16-NA-361 · Technical service bulletin · Power Train · issued Dec 20, 2023
• This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The…
  PIT5074P · Technical service bulletin · Equipment · issued Dec 18, 2023
• This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
  PIT5962A · Technical service bulletin · Unknown OR Other · issued Dec 15, 2023
• This service bulletin provides repair information for Engine Wire Harness Chafing to correct customer concerns of IPC Gauges Sweep, IPC Warning Message, SES/Check Engine/MIL, No St…
  21-NA-149 · Technical service bulletin · Power Train · issued Dec 15, 2023
• This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction…
  23-NA-201 · Technical service bulletin · Equipment · issued Dec 14, 2023
• This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the latest ISO update on Apple 15 phones.
  PIT6097B · Technical service bulletin · Equipment · issued Dec 13, 2023
• This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
  23-NA-219 · Technical service bulletin · Equipment · issued Dec 12, 2023
• This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
  PIT6097A · Technical service bulletin · Equipment · issued Dec 8, 2023
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Equipment · issued Dec 8, 2023
• This informational bulletin provides Information on Purge Pump Part Replacement and Purge Part Number Interchange.
  23-NA-214 · Technical service bulletin · Engine and Engine Cooling · issued Dec 7, 2023
• This Preliminary information communicates an issue where the vehicles wireless charger no longer works with the lastest ISO update on Apple 15 phones.
  PIT6097 · Technical service bulletin · Equipment · issued Dec 6, 2023