2021 Chevrolet Trailblazer service bulletins & manufacturer communications

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

• This Preliminary information communicates to the techicians a diagnostic tip if a customer has a complaint of a whistle/wind noise at highway speeds.
  PIC6589B · Technical service bulletin · Unknown OR Other · issued Jul 31, 2026
• This Preliminary information communicates to the technician the direction needed when encountering an issue with switching between adaptive cruise control and regular cruise contro…
  PIC6548B · 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 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
• PIP6032B provides diagnostic direction for dealers when encountering transmission leaks
  PIP6032C · Technical service bulletin · Unknown OR Other · issued Jun 3, 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 instructs dealers to install foam around the shifter cable to stop rattling
  PIP6029A · Technical service bulletin · Unknown OR Other · issued Apr 21, 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 bulletin communicates to a dealer the repair direction that should be taken if they encounter a vibration from the engine when the vehicle is parked facing downhill.
  PIC6553B · Technical service bulletin · Unknown OR Other · issued Mar 30, 2026
• Improvements to OnStar functionality.
  N25-250552 · Technical service bulletin · Unknown OR Other · issued Mar 21, 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
• 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 to the dealers diagnostic tips related to MIL on with P219A.
  PIP5929G · Technical service bulletin · Unknown OR Other · issued Jan 22, 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 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 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 bulletin communicates to the dealer actions to take when a customer has no or reduced air flow from HVAC vents.
  PIC6632 · Technical service bulletin · Unknown OR Other · issued Dec 23, 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 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 advises to get a session log for transmissions with broken chains
  PIP5975B · Technical service bulletin · Unknown OR Other · issued Oct 27, 2025
• Special Coverage. Certain 2021 model year Buick Encore GX and Chevrolet Trailblazer vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to…
  N242450640-01 · Warranty extension · Engine · issued Oct 20, 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 dealers diagnostic tips related to MIL on with P219A.
  PIP5929F · Technical service bulletin · Unknown OR Other · issued Oct 17, 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
• This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
  PIP5929E · Technical service bulletin · Unknown OR Other · issued Oct 9, 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
• New Vehicle Monitoring Programs Section in IVH
  13598 · Technical service bulletin · Unknown OR Other · issued Sep 9, 2025
• This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set.
  23-NA-119 · Technical service bulletin · Power Train · issued Sep 3, 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
• This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
  PIP5929D · Technical service bulletin · Unknown OR Other · issued Aug 8, 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 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 to the dealers diagnostic tips related to MIL on with P219A.
  PIP5929C · Technical service bulletin · Unknown OR Other · issued Jun 21, 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
• PIP6032B provides diagnostic direction for dealers when encountering transmission leaks
  PIP6032B · Technical service bulletin · Unknown OR Other · issued Jun 19, 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 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 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 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
• 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
• 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 service bulletin provides a procedure to fix an oil leak from a porous area at the cylinder head and how to fix it so that the engine does not have to be replaced.
  23-NA-122 · Technical service bulletin · Engine · 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 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 Preliminary information communicates the process for recording transmission noises using the PicoScope For review.
  PIP5958B · Technical service bulletin · Unknown OR Other · issued Apr 29, 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 information communicates to the techicians a diagnostic tip if a customer has a complaint of a whistle/wind noise at highway speeds.
  PIC6589A · Technical service bulletin · Unknown OR Other · 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 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 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 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 information on normal engine characteristics/noise produced by the LIH or LBP engine.
  20-NA-084 · 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 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 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 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 service bulletin provides repair information to correct a customer concern of Vehicle Will Lock and Unlock (Active Functions Work) but Will Not Crank or Start (Loss of Passive…
  23-NA-164 · Technical service bulletin · Electrical System · issued Mar 14, 2025
• This service bulletin provides repair information to correct a customer concern of Vehicle Will Not Lock and Unlock (Loss of Active Functions) Crank or Start (Loss of Passive Funct…
  23-NA-165 · Technical service bulletin · Electrical System · issued Mar 13, 2025
• This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925 00,…
  23-NA-163 · Technical service bulletin · Electrical System · 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 a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797.
  19-NA-200 · Technical service bulletin · Power Train · issued Mar 11, 2025
• This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
  PIP5929C · Technical service bulletin · Unknown OR Other · 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 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 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 Preliminary information communicates information on what dealer technicians should due if they encounter a broken chain on a CVT transmission
  PIP5975A · Technical service bulletin · Power Train · issued Feb 25, 2025
• This Preliminary information communicates the process for recording transmission noises using the PicoScope For review
  PIP5958A · Technical service bulletin · Unknown OR Other · 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 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 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 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 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 dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
  23-NA-086 · Technical service bulletin · Exterior Lighting · issued Feb 12, 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 Preliminary information communicates a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.
  PIP6037A · Technical service bulletin · Unknown OR Other · 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 communication advises the technician on possible sources of transmission fluid leaks from the transmission oil filter or cooler line seals .
  PIP6032A · Technical service bulletin · Power Train · 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 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 potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.
  PIP6037A · Technical service bulletin · Unknown OR Other · issued Jan 22, 2025
• This Preliminary information communicates to the dealer the location of the rear child seat latch anchor locations.
  PIT5995A · Technical service bulletin · Unknown OR Other · issued Jan 22, 2025
• This technical bulletin provides repair information to correct a customer concern of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler Icing - Malfunc…
  21-NA-293 · Technical service bulletin · Power Train · issued Jan 17, 2025
• This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
  PIP5929B · Technical service bulletin · Unknown OR Other · issued Jan 17, 2025
• This Preliminary information communicates a potential for dtc p0496 to fail due to damaged purge solenoid valve O-rings.
  PIP6037 · Technical service bulletin · Fuel/propulsion System · issued Jan 16, 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 Preliminary information communicates to the techicians a diagnostic tip if a customer has a complaint of a whistle/wind noise at highway speeds.
  PIC6589 · Technical service bulletin · Unknown OR Other · issued Jan 8, 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 Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
  PIP5929A · Technical service bulletin · Fuel/propulsion System · issued Dec 16, 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
• This Preliminary Information communication advises the technician on possible sources of transmission fluid leaks from the transmission oil filter or cooler line seals .
  PIP6032 · Technical service bulletin · Power Train · issued Dec 11, 2024
• This Preliminary information communicates to Technicians how to repair a rattle noise coming from the shift cable assembly.
  PIP6029 · Technical service bulletin · Unknown OR Other · issued Dec 10, 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 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
• 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 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 service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.
  21-NA-181 · Technical service bulletin · Power Train · issued Nov 18, 2024
• This technical bulletin provides a procedure a squeal noise heard from the front of the vehicle during light brake pedal application.
  24-NA-072 · Technical service bulletin · Service Brakes · issued Nov 8, 2024
• Special Coverage. Certain vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail. If this condition occurs, the Malfunction Indicator…
  N242450640 · Warranty extension · Engine · issued Nov 6, 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 service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
  23-NA-021 · Technical service bulletin · Power Train · issued Oct 29, 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 service bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
  23-NA-086 · Technical service bulletin · Exterior Lighting · issued Oct 26, 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 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 technical bulletin provides a procedure a squeal noise heard from the front of the vehicle during light brake pedal application.
  24-NA-072 · Technical service bulletin · Service Brakes · issued Oct 19, 2024
• This technical bulletin provides a procedure a squeal noise heard from the front of the vehicle during light brake pedal application.
  24-NA-072 · Technical service bulletin · Service Brakes · issued Oct 18, 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 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 service bulletin provides a procedure to correct radio software concerns.
  24-NA-108 · Technical service bulletin · Unknown OR Other · issued Oct 16, 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 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 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 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 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 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 service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set.
  23-NA-119 · Technical service bulletin · Electrical System · issued Sep 19, 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 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 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 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 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 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 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 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 to the tech the diagnostic steps if they encounter at condition where the adaptive cruise, regular cruise control or lane keep assist turn…
  PIT6196 · Technical service bulletin · Vehicle Speed Control · issued Sep 4, 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 on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
  23-NA-086 · Technical service bulletin · Exterior Lighting · 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 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 communicates the direction to take when a customer complains about a vibration when parking on a steep slope with engine running.
  PIC6553A · Technical service bulletin · Power Train · 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 the direction to take when a customer complains about a vibration when parking on a steep slope with engine running.
  PIC6553 · Technical service bulletin · Engine · 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 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 communicates the possibility of dtc p0299 setting as a result of the vacuum supply line from the vacuum pump to the wastegate solenoid being restricted…
  PIP5978 · Technical service bulletin · Power Train · issued Aug 12, 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 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 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 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 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 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 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 bulletin provides a procedure to test the turbo wastegate regulator valve before replacing the turbo for a possible rattle and/or code concern.
  23-NA-058 · 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 technical bulletin provides a procedure to correct Drone Noise with RPM About 1600 RPM in Park or traveling - No DTCs.
  24-NA-095 · Technical service bulletin · Unknown OR Other · issued Jun 17, 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 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
• This service bulletin advises the technician to replace valve body first to determine if that is the issue for and if not, to inspect internal parts of transmission for any signs o…
  24-NA-009 · Technical service bulletin · Power Train · issued Jun 1, 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 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 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 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 service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or…
  21-NA-169 · Technical service bulletin · Power Train · 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 on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
  23-NA-086 · Technical service bulletin · Exterior Lighting · issued Apr 25, 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 · Equipment · issued Apr 10, 2024
• This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set.
  23-NA-119 · Technical service bulletin · Electrical System · 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 · Wheels · issued Apr 8, 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 warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Equipment · issued Mar 26, 2024
• This service bulletin advises the technician to replace valve body first to determine if that is the issue for and if not, to inspect internal parts of transmission for any signs o…
  24-NA-009 · Technical service bulletin · Electrical System · issued Mar 25, 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 provides repair information to correct a customer concerns of Radio Software issues.
  24-NA-060 · Technical service bulletin · Equipment · issued Mar 20, 2024
• This bulletin provides a procedure to test the turbo wastegate regulator valve before replacing the turbo for a possible rattle and/or code concern.
  23-NA-058 · Technical service bulletin · Engine and Engine Cooling · issued Mar 15, 2024
• Emission Recall. General Motors has decided to conduct a Voluntary Emission Recall involving certain vehicles. The Engine Control Module (ECM) may not clear the permanent status of…
  A222379711 · Technical service bulletin · Electrical System · issued Mar 14, 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 provides a procedure to test the turbo wastegate regulator valve before replacing the turbo for a possible rattle and/or code concern.
  23-NA-058 · Technical service bulletin · Engine and Engine Cooling · 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 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 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 service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set.
  23-NA-119 · Technical service bulletin · Power Train · issued Feb 27, 2024
• This technical bulletin provides a procedure to correct the condition of Service All-Wheel Drive System Messages Displayed with Rear Drive Motor DTC C0095 Set.
  23-NA-104 · Technical service bulletin · Equipment · issued Feb 27, 2024
• This service bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant to correct customer concerns of Various Electrical Issues, No S…
  20-NA-121 · Technical service bulletin · Electrical System · issued Feb 27, 2024
• This service bulletin provides a repair procedure to correct a customer concern of Loss of and/or Reduced Propulsion.
  21-NA-003 · Technical service bulletin · Electrical System · issued Feb 26, 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 service bulletin provides information on normal engine characteristics/noise produced by the LIH engine.
  20-NA-084 · Technical service bulletin · Engine and Engine Cooling · issued Feb 13, 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 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 · Power Train · issued Feb 2, 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 service bulletin provides a information and diagnostic steps/tips for vehicles that are slow to heat up in cold temperatures.
  20-NA-024 · Technical service bulletin · Engine and Engine Cooling · 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 · Equipment · 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 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 information communicates the process for recording transmission noises using the PicoScope For review
  PIP5958 · Technical service bulletin · Power Train · 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 Preliminary information communicates inspection and/or needed repairs for DTC P2714 on a VT40 CVT transmission
  PIP5819B · Technical service bulletin · Power Train · issued Jan 10, 2024
• This service bulletin advises the technician to replace valve body first to determine if that is the issue for and if not, to inspect internal parts of transmission for any signs o…
  24-NA-009 · Technical service bulletin · Power Train · issued Jan 10, 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 service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set.
  23-NA-119 · Technical service bulletin · Equipment · issued Dec 19, 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 service bulletin provides a procedure to fix an oil leak from a porous area at the cylinder head and how to fix it so that the engine does not have to be replaced.
  23-NA-122 · Technical service bulletin · Engine and Engine Cooling · 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 to correct a customer concern of a Rear Side Door Weatherstrip Coming Loose.
  23-NA-218 · Technical service bulletin · Structure · issued Dec 14, 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 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 technical bulletin provides a procedure to replace the shifter if the park switch has been found with bad pins, causing the customers concern.
  23-NA-119 · Technical service bulletin · Power Train · issued Nov 22, 2023
• This bulletin provides a procedure to test the turbo wastegate regulator valve before replacing the turbo for a possible rattle and/or code concern.
  23-NA-058 · Technical service bulletin · Engine and Engine Cooling · issued Nov 17, 2023
• This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
  23-NA-021 · Technical service bulletin · Power Train · issued Nov 16, 2023
• 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 · Exterior Lighting · issued Nov 16, 2023
• This Preliminary Information communication advises the technician to determine if the incorrect part number TCM has been installed causing DTC P30D9 to set
  PIP5944A · Technical service bulletin · Equipment · issued Nov 14, 2023
• 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…
  PIT5214F · Technical service bulletin · Suspension · issued Nov 14, 2023
• 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…
  PIT6084 · Technical service bulletin · Equipment · issued Nov 7, 2023
• This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused by low fluid or a code set that causes the transmission to default maxing o…
  20-NA-120 · Technical service bulletin · Power Train · issued Nov 7, 2023
• This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing v…
  03-00-91-001I · Technical service bulletin · Wheels · issued Nov 6, 2023
• This informational bulletin provides information on dark spots in the headlamp pattern when the vehicle is pulled up to a wall or garage.
  23-NA-086 · Technical service bulletin · Exterior Lighting · issued Nov 2, 2023
• This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
  20-NA-159 · Technical service bulletin · Wheels · issued Oct 30, 2023
• This Preliminary Information communication advises the technician to determine if the incorrect part number TCM has been installed causing DTC P30D9 to set
  PIP5944 · Technical service bulletin · Power Train · issued Oct 26, 2023
• 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 Oct 25, 2023
• This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
  05-00-89-029F · Technical service bulletin · Equipment · issued Oct 11, 2023
• This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
  17-NA-170 · Technical service bulletin · Wheels · issued Oct 6, 2023
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011O · Technical service bulletin · Engine and Engine Cooling · issued Oct 6, 2023
• This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
  PIT5966C · Technical service bulletin · Communication · issued Oct 4, 2023
• This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
  99-00-89-019Y · Technical service bulletin · Equipment · issued Oct 3, 2023
• This service bulletin provides information for dealers/technicians on a normal characteristic of Brake Pedal - Excessive Click Noise with Slight Press of the Brake Pedal.
  19-NA-223 · Technical service bulletin · Service Brakes, Hydraulic · issued Oct 3, 2023
• This service bulletin provides repair information to correct a customer concern of hearing a front brake squeal noise during light brake pedal application.
  22-NA-095 · Technical service bulletin · Service Brakes, Hydraulic · issued Oct 2, 2023
• This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
  20-NA-159 · Technical service bulletin · Wheels · issued Sep 28, 2023
• This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors…
  PIT5099G · Technical service bulletin · Visibility · issued Sep 26, 2023
• This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
  PIT5698D · Technical service bulletin · Electrical System · issued Sep 26, 2023
• This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
  10-00-89-006J · Technical service bulletin · Equipment · issued Sep 26, 2023
• 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).
  02-00-89-002W · Technical service bulletin · Equipment · issued Sep 26, 2023
• This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
  23-NA-154 · Technical service bulletin · Equipment · issued Sep 21, 2023
• This service bulletin provides repair information to correct a customer concern of hearing a front brake squeal noise during light brake pedal application.
  22-NA-095 · Technical service bulletin · Service Brakes · issued Sep 12, 2023
• 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 and Engine Cooling · issued Sep 8, 2023
• This bulletin provides a procedure to test the turbo wastegate regulator valve before replacing the turbo for a possible rattle and/or code concern.
  23-NA-058 · Technical service bulletin · Engine and Engine Cooling · issued Sep 7, 2023
• This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
  23-NA-154 · Technical service bulletin · Equipment · issued Sep 5, 2023
• 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 and Engine Cooling · issued Sep 1, 2023
• 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 · Equipment · issued Sep 1, 2023
• 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…
  PIP5621D · Technical service bulletin · Power Train · issued Aug 24, 2023
• 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 and Engine Cooling · issued Aug 24, 2023
• This Preliminary information communicates information regarding normal debris that could be found in the engine oil or engine oil pan during service generated by the wet belt syste…
  PIP5938 · Technical service bulletin · Engine and Engine Cooling · issued Aug 22, 2023
• This Preliminary information communicates to dealership technicians that if they receive a radio with the 2 stickers as noted above, the radio was remanufactured with missing compo…
  PIT6050 · Technical service bulletin · Electronic Stability Control · issued Aug 21, 2023
• This bulletin provides a procedure to test the turbo wastegate regulator valve before replacing the turbo for a possible rattle and/or code concern.
  23-NA-058 · Technical service bulletin · Engine and Engine Cooling · issued Aug 18, 2023
• 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 · Equipment · issued Aug 18, 2023
• This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.
  09-00-89-016H · Technical service bulletin · Equipment · issued Aug 15, 2023
• This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/o…
  PIP5628G · Technical service bulletin · Engine · issued Aug 10, 2023
• This informational bulletin advised the technician that the engine and related parts will be debited if found that the tech didn't properly prepare the engine block from dirt and d…
  23-NA-141 · Technical service bulletin · Engine and Engine Cooling · issued Aug 10, 2023
• 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 · Electrical System · issued Aug 10, 2023
• This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.
  21-NA-181 · Technical service bulletin · Power Train · issued Aug 8, 2023
• This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
  15-00-89-004F · Technical service bulletin · Engine and Engine Cooling · issued Aug 7, 2023
• This bulletin provides a procedure to test the turbo wastegate regulator valve before replacing the turbo for a possible rattle and/or code concern.
  23-NA-058 · Technical service bulletin · Engine and Engine Cooling · issued Aug 4, 2023
• This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or…
  21-NA-169 · Technical service bulletin · Power Train · issued Aug 2, 2023
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051H · Technical service bulletin · Fuel System, Gasoline · issued Aug 1, 2023
• This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
  01-00-89-010R · Technical service bulletin · Equipment · issued Aug 1, 2023
• This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
  09-06-04-026X · Technical service bulletin · Electrical System · issued Jul 31, 2023
• This technical bulletin provides repair information to correct a customer concern of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler Icing - Malfunc…
  21-NA-293 · Technical service bulletin · Engine and Engine Cooling · issued Jul 28, 2023
• Special Coverage - Certain vehicles may have a condition that could cause the evaporative emissions purge pump to fail. If this condition occurs, the Malfunction Indicator Light (C…
  N232395310 · Technical service bulletin · Engine and Engine Cooling · issued Jul 27, 2023
• This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
  17-NA-066 · Technical service bulletin · Power Train · issued Jul 21, 2023
• 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…
  PIP5358C · Technical service bulletin · Equipment · issued Jul 18, 2023
• This service bulletin provides information on availability for a seat belt extender.
  99-09-40-005I · Technical service bulletin · Seat Belts · issued Jul 17, 2023
• This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
  21-NA-026 · Technical service bulletin · Equipment · issued Jul 17, 2023
• This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log…
  PIP4902R · Technical service bulletin · Equipment · issued Jul 13, 2023
• 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 Jul 12, 2023
• This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) â FAQs.
  23-NA-055 · Technical service bulletin · Equipment · issued Jul 12, 2023
• This service bulletin provides information on Paintless Dent Repair Process.
  99-08-51-001F · Technical service bulletin · Structure · issued Jun 30, 2023
• 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 Jun 30, 2023
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011N · Technical service bulletin · Engine and Engine Cooling · issued Jun 30, 2023
• This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
  17-NA-066 · Technical service bulletin · Power Train · issued Jun 29, 2023
• 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…
  13-08-116-001I · Technical service bulletin · Electrical System · issued Jun 29, 2023
• This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.
  23-NA-042 · Technical service bulletin · Back Over Prevention · issued Jun 28, 2023
• This Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
  PIP5929 · Technical service bulletin · Equipment · issued Jun 16, 2023
• This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
  PIT5966B · Technical service bulletin · Equipment · issued Jun 14, 2023
• This service bulletin describes the U.S. Dealer Special Tool Loan Program process.
  16-NA-158 · Technical service bulletin · Equipment · issued Jun 14, 2023
• This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
  21-NA-061 · Technical service bulletin · Equipment Adaptive/mobility · issued Jun 12, 2023
• This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect …
  PIT4261J · Technical service bulletin · Tires · issued Jun 9, 2023
• 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 Jun 8, 2023
• This service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air fi…
  04-07-30-013E · Technical service bulletin · Power Train · issued Jun 7, 2023
• This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
  02-00-89-002V · Technical service bulletin · Equipment · issued Jun 1, 2023
• 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…
  08-07-30-026H · Technical service bulletin · Power Train · issued May 30, 2023
• This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Equipment · issued May 22, 2023
• This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
  12-03-10-001E · Technical service bulletin · Wheels · issued May 22, 2023
• 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…
  PIC5650K · Technical service bulletin · Power Train · issued May 15, 2023
• This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
  01-08-42-001P · Technical service bulletin · Exterior Lighting · issued May 3, 2023
• This service bulletin provides a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797.
  19-NA-200 · Technical service bulletin · Power Train · issued Apr 28, 2023
• This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera. Dealers are…
  PIT5865B · Technical service bulletin · Forward Collision Avoidance · issued Apr 27, 2023
• This service bulletin provides information about the Hunter wheel Road Force balancers that should be utilized for all repairs requiring balance and Road Force measurement.
  17-NA-170 · Technical service bulletin · Wheels · issued Apr 27, 2023
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005W · Technical service bulletin · Unknown OR Other · issued Apr 25, 2023
• This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/o…
  PIP5628F · Technical service bulletin · Engine and Engine Cooling · issued Apr 24, 2023
• 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 and Engine Cooling · issued Apr 24, 2023
• This service bulletin provides information for dealers/technicians on Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel).
  12-03-10-001D · Technical service bulletin · Wheels · issued Apr 21, 2023
• This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
  04-00-89-015Z · Technical service bulletin · Equipment · issued Apr 19, 2023
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005V · Technical service bulletin · Equipment · issued Apr 6, 2023
• This service bulletin provides information on proper use of floor mats.
  10-08-110-001J · Technical service bulletin · Equipment · issued Apr 6, 2023
• This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
  08-07-30-035G · Technical service bulletin · Power Train · issued Apr 6, 2023
• This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
  PI0281J · Technical service bulletin · Power Train · issued Apr 4, 2023
• This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.
  23-NA-042 · Technical service bulletin · Electrical System · issued Apr 4, 2023
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Engine and Engine Cooling · issued Apr 4, 2023
• This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct th…
  PIT5971B · Technical service bulletin · Communication · issued Apr 3, 2023
• 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 3, 2023
• This bulletin provides a procedure to test the turbo wastegate regulator valve before replacing the turbo for a possible rattle and/or code concern.
  23-NA-058 · Technical service bulletin · Engine and Engine Cooling · issued Mar 30, 2023
• This Preliminary information communicates to the dealer the location of the rear child seat latch anchor locations.
  PIT5995 · Technical service bulletin · Child Seat · issued Mar 27, 2023
• This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) â FAQs.
  23-NA-055 · Technical service bulletin · Electrical System · issued Mar 23, 2023
• 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 and Engine Cooling · issued Mar 23, 2023
• 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 · Structure · issued Mar 20, 2023
• This informational 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 · Fuel System, Gasoline · issued Mar 20, 2023
• This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
  22-NA-009 · Technical service bulletin · Engine and Engine Cooling · issued Mar 17, 2023
• 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 and Engine Cooling · issued Mar 17, 2023
• 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 Mar 17, 2023
• This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
  00-06-01-026Q · Technical service bulletin · Engine and Engine Cooling · issued Mar 17, 2023
• 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.
  00-06-01-012M · Technical service bulletin · Engine and Engine Cooling · issued Mar 17, 2023
• This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct th…
  PIT5971A · Technical service bulletin · Equipment · issued Mar 16, 2023
• This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
  21-NA-061 · Technical service bulletin · Equipment · issued Mar 16, 2023
• This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
  07-06-01-016I · Technical service bulletin · Engine and Engine Cooling · issued Mar 16, 2023
• This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.
  23-NA-042 · Technical service bulletin · Equipment · issued Mar 15, 2023
• This service bulletin provides information on AGM batteries that require less frequent charging in storage.
  23-NA-044 · Technical service bulletin · Equipment · issued Mar 10, 2023
• This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
  20-NA-159 · Technical service bulletin · Wheels · issued Mar 8, 2023
• This Warranty Administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
  15-NA-017 · Technical service bulletin · Equipment · issued Feb 27, 2023
• This Preliminary Information communication provides information to the dealer technician related to a Malfunction Indicator Lamp coming on post turbocharger replacement with P0234 …
  PIP5892B · Technical service bulletin · Engine and Engine Cooling · issued Feb 23, 2023
• This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
  22-NA-127 · Technical service bulletin · Equipment · issued Feb 22, 2023
• This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
  17-NA-073 · Technical service bulletin · Equipment · issued Feb 21, 2023
• 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 · Equipment · issued Feb 20, 2023
• This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
  PI0754F · Technical service bulletin · Structure · issued Feb 17, 2023
• This warranty administration bulletin provides policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
  18-NA-263 · Technical service bulletin · Equipment · issued Feb 17, 2023
• This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
  99-04-20-002N · Technical service bulletin · Power Train · issued Feb 16, 2023
• This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.
  22-NA-008 · Technical service bulletin · Engine and Engine Cooling · issued Feb 16, 2023
• This service bulletin advises the tech that the rotational Clicking Noise Heard After Engine Shut Down may be normal characteristics of the vehicle.
  23-NA-021 · Technical service bulletin · Engine and Engine Cooling · issued Feb 15, 2023
• This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
  01-08-42-001O · Technical service bulletin · Exterior Lighting · issued Feb 15, 2023
• This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/o…
  PIP5628E · Technical service bulletin · Equipment · issued Feb 10, 2023
• This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
  18-NA-279 · Technical service bulletin · Equipment · issued Feb 10, 2023
• This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
  22-NA-115 · Technical service bulletin · Electrical System · issued Feb 1, 2023
• This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
  07-03-16-004E · Technical service bulletin · Tires · issued Jan 31, 2023
• This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
  00-00-90-002M · Technical service bulletin · Wheels · issued Jan 31, 2023
• This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct th…
  PIT5971 · Technical service bulletin · Equipment · issued Jan 24, 2023
• This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
  18-NA-279 · Technical service bulletin · Latches/locks/linkages · issued Jan 20, 2023
• This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
  02-00-89-002U · Technical service bulletin · Equipment · issued Jan 20, 2023
• 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 · Equipment · issued Jan 17, 2023
• 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 · Electrical System · issued Jan 13, 2023
• This Preliminary information communicates to the dealers information related to diagnosis of a MIL illuminated with DTC P0299 and/or Cold start rattle noise from the engine compart…
  PIP5829A · Technical service bulletin · Engine and Engine Cooling · issued Jan 9, 2023
• This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
  22-NA-115 · Technical service bulletin · Electrical System · issued Jan 6, 2023
• Service Update. Certain vehicles may have a condition in which ice or sludge can accumulate in the Charge Air Cooler (CAC) or Closed Crankcase Ventilation (CCV) system when driving…
  N222372591-01 · Technical service bulletin · Engine and Engine Cooling · issued Jan 6, 2023
• This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.
  22-NA-257 · Technical service bulletin · Wheels · issued Dec 23, 2022
• This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support t…
  09-00-89-008F · Technical service bulletin · Equipment · issued Dec 21, 2022
• This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice …
  PIP5540J · Technical service bulletin · Visibility · issued Dec 15, 2022
• This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P04…
  21-NA-124 · Technical service bulletin · Engine and Engine Cooling · issued Dec 14, 2022
• 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 and Engine Cooling · issued Dec 14, 2022
• 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 · Power Train · issued Dec 13, 2022
• Service Update. In certain vehicles, if the Engine Control Module (ECM) sets the DTC P0521 (Engine Oil Pressure Sensor Performance), the ECM cannot clear the permanent status of th…
  A222379710 · Technical service bulletin · Engine and Engine Cooling · issued Dec 13, 2022
• This service bulletin provides repair information to correct a customer concern of Rear View Camera Display Gridlines Dim.
  22-NA-250 · Technical service bulletin · Equipment · issued Dec 12, 2022
• This Preliminary Information communication provides information to the dealer technician related to a Malfunction Indicator Lamp coming on post turbocharger replacement with P0234 …
  PIP5892A · Technical service bulletin · Engine and Engine Cooling · issued Dec 7, 2022
• This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Equipment · issued Dec 7, 2022
• This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log…
  PIP5632G · Technical service bulletin · Electrical System · issued Dec 5, 2022
• This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log…
  PIP4902Q · Technical service bulletin · Electrical System · issued Dec 2, 2022
• This Preliminary Information communication provides information to the dealer technician related to a Malfunction Indicator Lamp coming on post turbocharger replacement with P0234 …
  PIP5892 · Technical service bulletin · Engine and Engine Cooling · issued Dec 1, 2022
• 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 30, 2022
• 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…
  PIT3271N · Technical service bulletin · Wheels · issued Nov 29, 2022
• Certain vehicles may have a condition in which ice or sludge can accumulate in the Charge Air Cooler (CAC) or Closed Crankcase Ventilation (CCV) system when driving in extremely co…
  N222372591 · Technical service bulletin · Engine and Engine Cooling · issued Nov 21, 2022
• 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 · Engine and Engine Cooling · issued Nov 18, 2022
• 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 Nov 9, 2022
• This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
  22-NA-127 · Technical service bulletin · Equipment · issued Nov 4, 2022
• This service bulletin provides repair information to correct a customer concern of MAF Sensor Calibration Update - DTCs P227C and P10BC Set After ECM Replacement.
  22-NA-188 · Technical service bulletin · Electrical System · issued Oct 26, 2022
• This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.
  22-NA-008 · Technical service bulletin · Electrical System · issued Oct 26, 2022
• This service bulletin provides information on Module Harvesting.
  22-NA-205 · Technical service bulletin · Electrical System · issued Oct 19, 2022
• This Preliminary information communicates that a customer may notice that the gridlines on the backup camera are very dim. They may mention that this occurred after an OTA update. …
  PIT5940A · Technical service bulletin · Back Over Prevention · issued Oct 17, 2022
• This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
  10-00-89-006I · Technical service bulletin · Equipment · issued Oct 7, 2022
• This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
  99-00-89-019X · Technical service bulletin · Structure · issued Oct 4, 2022
• This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
  PIT5698C · Technical service bulletin · Unknown OR Other · issued Sep 28, 2022
• This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada.
  22-NA-195 · Technical service bulletin · Equipment · issued Sep 28, 2022
• 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…
  PI0592G · Technical service bulletin · Electrical System · issued Sep 27, 2022
• This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
  15-00-89-004E · Technical service bulletin · Steering · issued Sep 16, 2022
• 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…
  13-08-116-001H · Technical service bulletin · Electrical System · issued Sep 16, 2022
• This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
  07-06-01-016H · Technical service bulletin · Engine and Engine Cooling · issued Sep 16, 2022
• This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
  06-00-89-031H · Technical service bulletin · Engine and Engine Cooling · issued Sep 16, 2022
• 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…
  05-06-04-022T · Technical service bulletin · Fuel System, Gasoline · issued Sep 16, 2022
• 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…
  PIP5621C · Technical service bulletin · Power Train · issued Sep 14, 2022
• This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
  22-NA-009 · Technical service bulletin · Engine and Engine Cooling · issued Sep 14, 2022
• This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
  09-06-04-026W · Technical service bulletin · Engine and Engine Cooling · issued Sep 14, 2022
• This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
  05-00-89-072F · Technical service bulletin · Engine and Engine Cooling · issued Sep 14, 2022
• This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.
  01-00-89-010Q · Technical service bulletin · Equipment · issued Sep 14, 2022
• This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
  04-06-04-051G · Technical service bulletin · Fuel System, Gasoline · issued Sep 13, 2022
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011M · Technical service bulletin · Engine and Engine Cooling · issued Sep 13, 2022
• 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.
  00-06-01-012L · Technical service bulletin · Engine and Engine Cooling · issued Sep 13, 2022
• 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 Sep 9, 2022
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005U · Technical service bulletin · Equipment · issued Sep 9, 2022
• This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
  00-06-01-026P · Technical service bulletin · Engine and Engine Cooling · issued Sep 9, 2022
• 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 Sep 8, 2022
• This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torq…
  PIP5640A · Technical service bulletin · Power Train · issued Sep 1, 2022
• This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine …
  22-NA-181 · Technical service bulletin · Power Train · issued Sep 1, 2022
• This service bulletin provides information on General Motors Dealership Critical Equipment Requirements and Recommendations.
  05-00-89-029E · Technical service bulletin · Equipment · issued Sep 1, 2022
• This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY).
  21-NA-061 · Technical service bulletin · Equipment · issued Aug 30, 2022
• This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.
  21-NA-181 · Technical service bulletin · Power Train · issued Aug 29, 2022
• 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 · Equipment · issued Aug 25, 2022
• This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
  11-00-89-005T · Technical service bulletin · Equipment · issued Aug 22, 2022
• This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen …
  20-NA-065 · Technical service bulletin · Engine and Engine Cooling · issued Aug 15, 2022
• 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 · Engine and Engine Cooling · issued Aug 10, 2022
• This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or…
  21-NA-169 · Technical service bulletin · Power Train · issued Aug 4, 2022
• This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
  22-NA-127 · Technical service bulletin · Equipment · issued Aug 2, 2022
• This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
  22-NA-127 · Technical service bulletin · Equipment · issued Jul 26, 2022
• This technical bulletin provides a procedure to correct a customer concern of a Pop Noise Heard on Heavy Acceleration Only.
  21-NA-215 · Technical service bulletin · Engine and Engine Cooling · issued Jul 25, 2022
• This service bulletin provides repair information to correct a customer concern of Service Power Steering DIC Message, DTC C0051 58 - Steering Wheel Angle Sensor Error Set.
  21-NA-177 · Technical service bulletin · Steering · issued Jul 25, 2022
• This bulletin provides information on Warranty Administration â Required Operating Procedures - 8 Points (U.S. Only).
  04-00-89-015X · Technical service bulletin · Equipment · issued Jul 22, 2022
• 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 · Equipment · issued Jul 18, 2022
• This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
  PIT5569B · Technical service bulletin · Electrical System · issued Jul 5, 2022
• This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect …
  PIT4261H · Technical service bulletin · Tires · issued Jul 1, 2022
• This Preliminary information communicates the possibility of dtc p0089 or p0228c be set in history and advising not to replace fuel system components unless codes are active and pu…
  PIP5860 · Technical service bulletin · Equipment · issued Jul 1, 2022
• This service bulletin provides a repair procedure to correct a customer concern of Loss of and/or Reduced Propulsion.
  21-NA-003 · Technical service bulletin · Power Train · issued Jul 1, 2022
• This warranty admin bulletin covers information on Essential Tools that include Consumable Parts.
  22-NA-135 · Technical service bulletin · Equipment · issued Jun 28, 2022
• This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service.
  12-01-37-001F · Technical service bulletin · Equipment · issued Jun 27, 2022
• This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
  22-NA-127 · Technical service bulletin · Equipment · issued Jun 24, 2022
• This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements.
  22-NA-070 · Technical service bulletin · Equipment · issued Jun 24, 2022
• This service bulletin provides service information/procedures on continuous improvement Radio Software Version V158 Update to address customer comments on software related issues.
  21-NA-188 · Technical service bulletin · Equipment · issued Jun 24, 2022
• This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
  22-NA-115 · Technical service bulletin · Engine and Engine Cooling · issued Jun 23, 2022
• This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or …
  PIC5260F · Technical service bulletin · Visibility · issued Jun 22, 2022
• This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
  21-NA-026 · Technical service bulletin · Equipment · issued Jun 21, 2022
• This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a f…
  PIT5913A · Technical service bulletin · Back Over Prevention · issued Jun 15, 2022
• This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
  22-NA-009 · Technical service bulletin · Engine and Engine Cooling · issued Jun 15, 2022
• This engineering information (EI) closure ends the needs for any more picture requests from the field of Broken Wire in Harness Between ECM and Multifunction Sensor (MAF Sensor).
  PIE0682A · Technical service bulletin · Engine and Engine Cooling · issued Jun 15, 2022
• This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors…
  PIT5099F · Technical service bulletin · Visibility · issued Jun 13, 2022
• This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
  20-NA-159 · Technical service bulletin · Wheels · issued Jun 6, 2022
• 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 · Equipment · issued Jun 1, 2022
• 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…
  PIP5358B · Technical service bulletin · Structure · issued May 31, 2022
• This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
  22-NA-115 · Technical service bulletin · Engine and Engine Cooling · issued May 27, 2022
• This Preliminary information communicates provides information to the technician on the use of R-99 or R-95 Renewable diesel fuel.
  PIP5856 · Technical service bulletin · Fuel System, Diesel · issued May 26, 2022
• This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.
  22-NA-008 · Technical service bulletin · Engine and Engine Cooling · issued May 25, 2022
• This service bulletin provides repair information to correct a customer concern of hearing a front brake squeal noise during light brake pedal application.
  22-NA-095 · Technical service bulletin · Service Brakes, Hydraulic · issued May 20, 2022
• This service bulletin provides a procedure to correct a condition of Front Brake Squeal Noise Heard During Light Brake Pedal Application.
  20-NA-079 · Technical service bulletin · Service Brakes · issued May 20, 2022
• 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 · Equipment · issued May 19, 2022
• This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.
  20-NA-218 · Technical service bulletin · Engine and Engine Cooling · issued May 19, 2022
• This informational 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 · Engine and Engine Cooling · issued May 16, 2022
• 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 May 16, 2022
• This service bulletin provides repair information to correct a customer concern of hearing a front brake squeal noise during light brake pedal application.
  22-NA-095 · Technical service bulletin · Service Brakes, Hydraulic · issued May 13, 2022
• This service bulletin provides a procedure to correct a condition of Front Brake Squeal Noise Heard During Light Brake Pedal Application.
  20-NA-079 · Technical service bulletin · Service Brakes, Hydraulic · issued May 13, 2022
• This service bulletin provides a repair procedure to correct a customer concern of Loss of and/or Reduced Propulsion.
  21-NA-003 · Technical service bulletin · Engine and Engine Cooling · issued May 11, 2022
• This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
  20-NA-159 · Technical service bulletin · Wheels · issued May 11, 2022
• This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a f…
  PIT5913 · Technical service bulletin · Equipment · issued May 6, 2022