2025 Chevrolet Tahoe service bulletins & manufacturer communications

443 manufacturer communications are on file with NHTSA for the 2025 Chevrolet Tahoe. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
  PIT6110K · Technical service bulletin · Unknown / Other · issued Jul 28, 2026
• This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration/ from the passenger side when the vehicle is under light load, with a…
  PIT6300C · Technical service bulletin · Unknown / Other · issued Jul 24, 2026
• This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
  PIT6446A · Technical service bulletin · Unknown / Other · issued Jul 24, 2026
• PI to help diagnose A/C concern
  PIT5099J · Technical service bulletin · Unknown / Other · issued Jul 21, 2026
• This PI provides diagnostic tips for diagnosing electric trailer brakes issues.
  PIT5509N · Technical service bulletin · Unknown / Other · issued Jul 21, 2026
• On the 2025 Police Tahoe with the Aux Battery option letting dealership know it is left disconnected at plant and should be connected during PDI.
  PIT6376B · Technical service bulletin · Unknown / Other · issued Jul 17, 2026
• • Surround Vision Recorder, a new feature that allows you to record, watch, and save video from your vehicle's cameras. • Security Recording, a new feature that can automatically b…
  663.10 · Technical service bulletin · Unknown / Other · issued Jul 16, 2026
• • Updates to reduce unnecessary service messages in the driver display
  662.30 · Technical service bulletin · Unknown / Other · issued Jul 16, 2026
• • Improves transmission diagnostic software. • Reduces unnecessary check engine light activations.
  663.20 · Technical service bulletin · Unknown / Other · issued Jul 16, 2026
• This Preliminary information communicates where to find the back antenna for learning new key fobs.
  PIT6006D · Technical service bulletin · Unknown / Other · issued Jul 9, 2026
• This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…
  PIT6288J · Technical service bulletin · Unknown / Other · issued Jun 29, 2026
• This preliminary information communicates an issue with a Service Brake system message and DTC C055F due to a low battery condition. Dealer are to inspect the battery, battery conn…
  PIT6476C · Technical service bulletin · Unknown / Other · issued Jun 29, 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 / Other · issued Jun 23, 2026
• This preliminary information is to inform technicians and customers that the HUD will not retain its current settings. No parts should be replaced.
  PIT6520 · Technical service bulletin · Unknown / Other · issued Jun 18, 2026
• This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing…
  PIT6503B · Technical service bulletin · Unknown / Other · issued Jun 17, 2026
• This PI provides diagnostic steps for dealer technicians to verify the condition and ensure that part replacement is necessary
  PIT6523 · Technical service bulletin · Unknown / Other · issued Jun 10, 2026
• This PI advises dealers that if the K160 Brake System Control Module sets DTC P0606 along with P0562 and/or P25A2, additional diagnostic aids should be followed before replacing pa…
  PIT6522 · Technical service bulletin · Unknown / Other · issued Jun 10, 2026
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132E · Technical service bulletin · Unknown / Other · issued Jun 9, 2026
• This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…
  PIT6288H · Technical service bulletin · Unknown / Other · issued Jun 8, 2026
• This preliminary PI was created to advise techniians in the field that they will not be able to perform a GDS automated bleed with the scan tool dues to a issue with the software i…
  PIT6477C · Technical service bulletin · Unknown / Other · issued Jun 5, 2026
• Fog lamp control may be missing from radio display after a BCM update. Engineering is investigating.
  PIT6426B · Technical service bulletin · Unknown / Other · issued Jun 5, 2026
• This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing…
  PIT6503A · Technical service bulletin · Unknown / Other · issued Jun 3, 2026
• • Fixes to help protect battery health. • Improvements to traction while driving on difficult terrain and using Four-Wheel Drive Low.
  654.40 · Technical service bulletin · Unknown / Other · issued Jun 2, 2026
• This preliminary information is to inform technicians and customers that the voice command will be inoperative when trying to open applications. Engineering is investigating and th…
  PIT6519 · Technical service bulletin · Unknown / Other · issued May 27, 2026
• • Fixes to help protect battery life. • Improvements to provide more accurate speed limit detection on the driver’s display. • Improvements to the availability of driver assistance…
  661.30 · Technical service bulletin · Unknown / Other · issued May 26, 2026
• If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.
  PIT6426A · Technical service bulletin · Unknown / Other · issued May 22, 2026
• This Preliminary information communicates to have the dealer verify the vehicle has RPO TRG - Trailer Camera Provisions to ensure the vehicle is equipped with Turn Signal Activated…
  PIT6366C · Technical service bulletin · Unknown / Other · issued May 21, 2026
• This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to r…
  PIT6215C · Technical service bulletin · Unknown / Other · issued May 21, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540J · Technical service bulletin · Unknown / Other · issued May 14, 2026
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
  PIT6393L · Technical service bulletin · Unknown / Other · issued May 14, 2026
• This Preliminary information communicates information on Reprogramming the BCM and how to place the key fob during Immobilizer learn due to the immobilizer coil being relocated.
  PIT6388A · Technical service bulletin · Unknown / Other · issued May 14, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540H · Technical service bulletin · Unknown / Other · issued May 11, 2026
• On the 2025 Police Tahoe with the Aux Battery option letting dealership know it is left disconnected at plant and should be connected during PDI.
  PIT6376A · Technical service bulletin · Unknown / Other · issued May 11, 2026
• Pi created to provide GM dealers with information on gathering information for projection issue
  PIC6423A · Technical service bulletin · Unknown / 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 / Other · issued May 11, 2026
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629E · Technical service bulletin · Unknown / Other · issued May 8, 2026
• • Improvements to the availability of driver assistance features.
  661.30 · Technical service bulletin · Unknown / Other · issued May 7, 2026
• • Fixes for active cabin ventilation. • Improvements to the performance of vehicle software updates.
  661.22 · Technical service bulletin · Unknown / Other · issued May 5, 2026
• This Preliminary information communicates information to inform the dealer that Engineering releaed calibrations to correct the Remote Fob Pairing option missing from the Radio Set…
  PIT6360A · Technical service bulletin · Unknown / Other · issued May 4, 2026
• This Preliminary information communicates direction to find information at www.gmupfitter.com for Police and Special Service Vehicles.
  PIT6247B · Technical service bulletin · Unknown / Other · issued May 4, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540G · Technical service bulletin · Unknown / Other · issued Apr 30, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540G · Technical service bulletin · Unknown / Other · issued Apr 30, 2026
• This PI communicates that the u013A code setting requires no repairs on Export Vehicles.
  PIT6514 · Technical service bulletin · Unknown / Other · issued Apr 30, 2026
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
  PIT6393K · Technical service bulletin · Unknown / Other · issued Apr 28, 2026
• • Improvements to the performance of vehicle software updates. • Fixes to help prevent loss of functionality for connectivity features, including maps and Wi-Fi. • Fixes to help pr…
  661.21 · Technical service bulletin · Unknown / Other · issued Apr 28, 2026
• This Preliminary information communicates an issue with a replace or low FOB battery message
  PIT6511 · Technical service bulletin · Unknown / Other · issued Apr 25, 2026
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629D · Technical service bulletin · Unknown / Other · issued Apr 23, 2026
• This Preliminary information communicates to the technician the diagnostic direction needed when the customer complains of SuperCruise Subscription Required Message Displayed on In…
  PIT6508 · Technical service bulletin · Unknown / Other · issued Apr 23, 2026
• This Preliminary information communicates how to change a regular vehicle to fleet mode that was not built with the option.
  PIT6017B · Technical service bulletin · Unknown / Other · issued Apr 22, 2026
• This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…
  PIT6288G · Technical service bulletin · Unknown / Other · issued Apr 21, 2026
• This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
  PIT6452D · Technical service bulletin · Unknown / Other · issued Apr 21, 2026
• This Preliminary information communicates to the field on how to diagnosis Supercruise Unavailable and Driver Attention Assist Unavailable and Drowsy Driver Feature Disabled messag…
  PIT6339A · Technical service bulletin · Unknown / Other · issued Apr 20, 2026
• This preliminary information communicates an issue with an SES MIL DTC P2B87 and/or P2B86 cause by the Aux heater coolant pump have an unwanted oring stuck in the pump. Dealers are…
  PIT6505 · Technical service bulletin · Unknown / Other · issued Apr 16, 2026
• This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing…
  PIT6503 · Technical service bulletin · Unknown / Other · issued Apr 14, 2026
• This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…
  PIT6288F · Technical service bulletin · Unknown / Other · issued Apr 1, 2026
• This preliminary information communicates information about how to determine if a wheel and tires size change is available.
  PIT3271Q · Technical service bulletin · Unknown / Other · issued Apr 1, 2026
• This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
  PIT6368C · Technical service bulletin · Unknown / Other · issued Mar 27, 2026
• This Preliminary information communicates how to move U018B from Current to History.
  PIT6499 · Technical service bulletin · Unknown / Other · issued Mar 23, 2026
• This Preliminary information communicates how to address a key missing message due to a software anomaly with the BCM
  PIT6497 · Technical service bulletin · Unknown / Other · issued Mar 17, 2026
• This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
  PIT6110J · Technical service bulletin · Unknown / Other · issued Mar 9, 2026
• This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
  PIP6104 · Technical service bulletin · Unknown / 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 / Other · issued Mar 9, 2026
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
  PIT6393J · Technical service bulletin · Unknown / Other · issued Mar 6, 2026
• This PI communicates information on isolating a wind noise from the driver front door.
  PIT6493 · Technical service bulletin · Unknown / Other · issued Mar 5, 2026
• A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complet…
  PIT6394E · Technical service bulletin · Unknown / Other · issued Mar 5, 2026
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629C · Technical service bulletin · Unknown / Other · issued Mar 5, 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 / Other · issued Mar 2, 2026
• A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complet…
  PIT6394D · Technical service bulletin · Unknown / Other · issued Feb 26, 2026
• • Improvements to the infotainment system from Android update. This Android update removes Alexa Built-in (if supported). Google Assistant will remain available. • Fixes to improve…
  654.70 · Technical service bulletin · Unknown / Other · issued Feb 25, 2026
• This Preliminary information communicates to the technician on the a potential cause for Buzz/rattle/vibration from the passenger side when the vehicle is under light load, with a …
  PIT6300B · Technical service bulletin · Unknown / Other · issued Feb 20, 2026
• This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
  PIT6456D · Technical service bulletin · Unknown / Other · issued Feb 20, 2026
• PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked, due to the personalization settings for Auto Door Unlocking.
  PIT6415A · Technical service bulletin · Unknown / Other · issued Feb 19, 2026
• A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complet…
  PIT6394C · Technical service bulletin · Unknown / Other · issued Feb 17, 2026
• This PI identifies an issue where a loose Body Control module ground on the A pillar could cause various electrical issues related to the hood latch or a door latch
  PIT6484 · Technical service bulletin · Unknown / Other · issued Feb 11, 2026
• This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
  PIT6452C · Technical service bulletin · Unknown / Other · issued Feb 7, 2026
• This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
  PIT6456C · Technical service bulletin · Unknown / Other · issued Feb 3, 2026
• This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
  PIT6456B · Technical service bulletin · Unknown / Other · issued Jan 29, 2026
• This PI provides diagnostics tips to dealership techs when trying to diagnose a CAN Bus communication issue after an event like a lightning strike, battery jump started backwards, …
  PIT5985K · Technical service bulletin · Unknown / Other · issued Jan 27, 2026
• Certain vehicles listed above may be missing relevant information regarding the use of snow chains, snow socks, or other traction devices from the Owner’s Manual. Vehicle owners wi…
  N252494250-01 · Service campaign · Unknown / Other · issued Jan 27, 2026
• This Preliminary information communicates to have the dealer verify the vehicle has RPO TRG - Trailer Camera Provisions to ensure the vehicle is equipped with Turn Signal Activated…
  PIT6366B · Technical service bulletin · Unknown / Other · issued Jan 24, 2026
• This Preliminary information communicates a issue where the park assist module can set current communication dtc's due to a timing issue and it may have nothing related to the cust…
  PIT5907E · Technical service bulletin · Unknown / Other · issued Jan 23, 2026
• This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
  PIT6456A · Technical service bulletin · Unknown / Other · issued Jan 20, 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 / Other · issued Jan 16, 2026
• This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
  PIT6452B · Technical service bulletin · Unknown / Other · issued Jan 16, 2026
• This Preliminary Information is to inform technicians to not replace any parts at this time and to use the work around provided. When a fix is available, this PI will be updated to…
  PIT6471 · Technical service bulletin · Unknown / Other · issued Jan 15, 2026
• This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a dead battery or unwanted theft alarm. Dealers are to inspect t…
  PIT5993F · Technical service bulletin · Unknown / Other · issued Jan 15, 2026
• This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
  PIT6344A · Technical service bulletin · Unknown / Other · issued Jan 15, 2026
• This Preliminary Information is to inform technicians to not replace any parts at this time and to use the work around provided. When a fix is available, this PI will be updated to…
  PIT6471 · Technical service bulletin · Unknown / Other · issued Jan 15, 2026
• This PI advised dealer technicians of possible causes of diesel fuel contamination in gasoline powered vehicles and advises of warranty direction.
  PIP6098 · Technical service bulletin · Unknown / Other · issued Jan 14, 2026
• This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to any…
  PIT6457B · Technical service bulletin · Unknown / Other · issued Jan 12, 2026
• This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
  PIT6369B · Technical service bulletin · Unknown / Other · issued Jan 10, 2026
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902U · Technical service bulletin · Unknown / Other · issued Jan 8, 2026
• This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Productio…
  PIT5828E · Technical service bulletin · Unknown / Other · issued Jan 7, 2026
• This Preliminary information communicates an issue with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
  PIT6276B · Technical service bulletin · Unknown / Other · issued Jan 5, 2026
• This Preliminary information communicates to dealers a procedure to reset the radio.
  PIC6540F · Technical service bulletin · Unknown / Other · issued Dec 31, 2025
• "This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins a…
  PIT6393H · Technical service bulletin · Unknown / Other · issued Dec 23, 2025
• This Preliminary Information communication advises technicians to inspect for, and if necessary, repair harness damage caused by possible contact with the EGR cooler outlet pipe or…
  PIP6064A · Technical service bulletin · Unknown / Other · issued Dec 15, 2025
• • Improvements to the performance of Automatic Emergency Braking and Adaptive Cruise Control braking. • Fixes to help ensure proper functionality of Forward Collision Alert and ava…
  654.50 · Technical service bulletin · Unknown / Other · issued Dec 12, 2025
• • Fixes to help protect battery health. • Improvements to traction while driving on difficult terrain and using Four-Wheel Drive Low. During the update process, your radio may stay…
  654.40 · Technical service bulletin · Unknown / Other · issued Dec 12, 2025
• This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to any…
  PIT6457A · Technical service bulletin · Unknown / Other · issued Dec 12, 2025
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629B · Technical service bulletin · Unknown / Other · issued Dec 12, 2025
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as…
  PIT6393G · Technical service bulletin · Unknown / Other · issued Dec 5, 2025
• This Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and current driving habits, or low fuel range and vehicle is idlin…
  PIT6224B · Technical service bulletin · Unknown / Other · issued Dec 4, 2025
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132D · Technical service bulletin · Unknown / Other · issued Nov 26, 2025
• This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to any…
  PIT6457 · Technical service bulletin · Unknown / Other · issued Nov 25, 2025
• This preliminary information communicates an issue with the key fob buttons inoperative and how to resync the fobs back to the vehicle.
  PIT6456 · Technical service bulletin · Unknown / Other · issued Nov 24, 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 / Other · issued Nov 20, 2025
• Certain vehicles may have a condition in which the Upper Intermediate Steering Shaft Bolt is below torque specification. Dealers will torque the Upper Intermediate Steering Shaft B…
  N252528020 · Service campaign · Steering · issued Nov 18, 2025
• Certain vehicles listed above may have a condition in which the jack kit lifting rod is out of specification. Dealers will replace the jack handle components.
  N252507990 · Service campaign · Unknown / Other · issued Nov 18, 2025
• This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
  PIT6452A · Technical service bulletin · Unknown / Other · issued Nov 13, 2025
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629A · Technical service bulletin · Unknown / Other · issued Nov 13, 2025
• This is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
  PIT6452 · Technical service bulletin · Unknown / Other · issued Nov 12, 2025
• This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
  PIC6629 · Technical service bulletin · Unknown / Other · issued Nov 11, 2025
• This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
  PIT6446 · Technical service bulletin · Unknown / Other · issued Nov 3, 2025
• PIP6091 was created to advise technicians engineering is aware of a misfire during a passing maneuver is being investigated.
  PIP6091 · Technical service bulletin · Unknown / Other · issued Oct 30, 2025
• This PI Communicates information to ensure Memory Recall is enabled to ensure memory mirrors return to set position after curbview assist is used.
  PIT6446 · Technical service bulletin · Unknown / Other · issued Oct 29, 2025
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
  PIT6393F · Technical service bulletin · Unknown / Other · issued Oct 23, 2025
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132C · Technical service bulletin · Unknown / Other · issued Oct 22, 2025
• This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a dead battery or unwanted theft alarm. Dealers are to inspect t…
  PIT5993E · Technical service bulletin · Unknown / Other · issued Oct 22, 2025
• This Preliminary information communicates an issue with an aftermarket device wired into the vehicle and cause the vehicle to turn off when shifted into gear. This PI provides a di…
  PIT6234A · Technical service bulletin · Unknown / Other · issued Oct 22, 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 / Other · issued Oct 18, 2025
• This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
  PIT6425A · Technical service bulletin · Unknown / 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 / Other · issued Oct 16, 2025
• This Preliminary information communicates to have the dealer verify the vehicle has RPO TRG - Trailer Camera Provisions to ensure the vehicle is equipped with Turn Signal Activated…
  PIT6366A · Technical service bulletin · Unknown / Other · issued Oct 11, 2025
• This Preliminary information communicates that this concern is for wheel appearance color miss match and to contact Partech for assistance
  PIT6442 · Technical service bulletin · Unknown / 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 / Other · issued Oct 4, 2025
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
  PIT6393E · Technical service bulletin · Unknown / Other · issued Oct 4, 2025
• This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
  PIP6068C · Technical service bulletin · Unknown / Other · issued Oct 1, 2025
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
  PIT6393D · Technical service bulletin · Unknown / Other · issued Oct 1, 2025
• This information provides software update information for the K73 Telematics module to correct the symptoms described.
  PIT6437 · Technical service bulletin · Unknown / Other · issued Oct 1, 2025
• This PI is to inform technicians of a possible battery draw caused by the K36 chassis control module. Techs are to update the calibrations of the chassis control module using the s…
  PIT6434 · Technical service bulletin · Unknown / Other · issued Sep 20, 2025
• This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared L…
  PIT6356C · Technical service bulletin · Unknown / Other · issued Sep 20, 2025
• This Preliminary information communicates a issue where the rear windshield wipers will not be in the park position and will cause the rear back glass not to open with the switch o…
  PIT5941C · Technical service bulletin · Unknown / Other · issued Sep 19, 2025
• This Preliminary information communicates That the active safety systems maybe inoperable and to perform a module reset to correct.
  PIC6587E · Technical service bulletin · Unknown / Other · issued Sep 15, 2025
• If a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.
  PIT6426 · Technical service bulletin · Unknown / Other · issued Sep 15, 2025
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
  PIT6393C · Technical service bulletin · Unknown / Other · issued Sep 15, 2025
• This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The …
  PIT5479H · Technical service bulletin · Unknown / Other · issued Sep 9, 2025
• New Vehicle Monitoring Programs Section in IVH
  13598 · Technical service bulletin · Unknown / Other · issued Sep 9, 2025
• This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
  PIP6068B · Technical service bulletin · Unknown / Other · issued Sep 8, 2025
• This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
  22-NA-080 · Technical service bulletin · Engine · issued Sep 6, 2025
• This information provides software update information for the K73 Telematics module to correct the symptoms described.
  PIT6411A · Technical service bulletin · Unknown / Other · issued Aug 30, 2025
• PI is created to advise dealer of an issue that may have been induced by OTA programming
  PIC6617 · Technical service bulletin · Unknown / Other · issued Aug 30, 2025
• This Preliminary information communicates possible causes for battery draw concern
  PIT6427 · Technical service bulletin · Unknown / Other · issued Aug 29, 2025
• This PI communicates information to inform dealers to reprogram the K8 BCM to correct this concern.
  PIT6395A · Technical service bulletin · Unknown / Other · issued Aug 29, 2025
• This Preliminary information communicates how to move U018B from Current to History.
  PIC6583F · Technical service bulletin · Unknown / Other · issued Aug 27, 2025
• This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.
  PIT5854D · Technical service bulletin · Unknown / Other · issued Aug 26, 2025
• Certain vehicles may be missing relevant information regarding the use of snow chains, snow socks, or other traction devices from the Owner’s Manual. Vehicle owners will be mailed …
  N252494250 · Service campaign · Wheels · issued Aug 26, 2025
• This Preliminary information communicates how to move U018B from Current to History.
  PIC6583E · Technical service bulletin · Unknown / Other · issued Aug 23, 2025
• This Preliminary information communicates the active safety features and/or cameras are inoperative or unavailable after a 12 volt battery replacement or battery charge after a low…
  PIT6236B · Technical service bulletin · Unknown / Other · issued Aug 22, 2025
• This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
  PIP6068A · Technical service bulletin · Unknown / Other · issued Aug 19, 2025
• Certain vehicles, equipped with RPO UKT, may have a condition in which the Front Pedestrian and Bicyclist Braking software is missing from the vehicle. Dealers are to reprogram the…
  N252512530 · Service campaign · Unknown / Other · issued Aug 18, 2025
• This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
  PIT6368B · Technical service bulletin · Unknown / Other · issued Aug 15, 2025
• This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
  PIT6110H · Technical service bulletin · Unknown / Other · issued Aug 15, 2025
• This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
  PIP4902T · Technical service bulletin · Unknown / Other · issued Aug 14, 2025
• A vehicle may have a service driver assist message and the technician cannot get the Long Range Radar learn procedure to complete. Tech is directed to drive a city route to complet…
  PIT6394B · Technical service bulletin · Unknown / Other · issued Aug 8, 2025
• This Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.
  PIT6059C · Technical service bulletin · Unknown / Other · issued Aug 8, 2025
• This Preliminary information communicates an issue where the rear tail lights may not work and dealership are to replace the tail light assembly.
  PIT6310A · Technical service bulletin · Unknown / Other · issued Aug 7, 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 / Other · issued Aug 7, 2025
• This Preliminary information communicates where to find the back antenna for learning new key fobs.
  PIT6006C · Technical service bulletin · Unknown / Other · issued Aug 5, 2025
• PI to explain normal operation for a concern that the outside rearview mirrors may not fold when the doors are locked, due to the personalization settings for Auto Door Unlocking.
  PIT6415 · Technical service bulletin · Unknown / Other · issued Jul 30, 2025
• This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which i…
  PIT6212D · Technical service bulletin · Unknown / Other · issued Jul 29, 2025
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as…
  PIT6393B · Technical service bulletin · Unknown / Other · issued Jul 26, 2025
• This Preliminary information communicates that vehicles with RPO BVZ may have tap/rattle/tick/flutter noise from assist steps, and a procedure to eliminate the noise.
  PIT6412 · Technical service bulletin · Unknown / Other · issued Jul 18, 2025
• This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
  PIP5601C · Technical service bulletin · Unknown / 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 / Other · issued Jul 18, 2025
• This Preliminary information communicates A vehicle may have a concern of any of the following DTC's set P3189 P318A P318B P318C P318D P318E P318F P3190. Informs dealer to perform …
  PIP5774B · Technical service bulletin · Unknown / Other · issued Jul 17, 2025
• This Preliminary information communicates information to reprogram the BCM to correct the missing Remote Fob Pairing option from the Radio Settings Menu.
  PIT6399A · Technical service bulletin · Unknown / Other · issued Jul 16, 2025
• This preliminary information PI states to not replace anything at the dealership for this concern and engineering is investigating.
  PIT6274C · Technical service bulletin · Unknown / Other · issued Jul 16, 2025
• This preliminary information PI states to not replace anything at the dealership for this concern and engineering is investigating.
  PIT6274C · Technical service bulletin · Unknown / Other · issued Jul 16, 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…
  PIT5074S · Technical service bulletin · Unknown / Other · issued Jul 16, 2025
• This Preliminary information communicates where the driver is unable to activate Super Cruise along with a DIC message stating "Super Cruise Subscription Required, Press OnStar But…
  PIT6268B · Technical service bulletin · Unknown / Other · issued Jul 8, 2025
• This information provides software update information for the K73 Telematics module to correct the symptoms described.
  PIT6411 · Technical service bulletin · Unknown / Other · issued Jul 2, 2025
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as…
  PIT6393A · Technical service bulletin · Unknown / Other · issued Jul 2, 2025
• This Preliminary Information communicates the DTC's setting in the SDGM are false, steps to resolve and not to replace the module.
  PIT6404 · Technical service bulletin · Unknown / Other · issued Jun 30, 2025
• This Preliminary information communicates Engineering is investigating a no audio issue.
  PIT6101S · Technical service bulletin · Unknown / Other · issued Jun 29, 2025
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832V · Technical service bulletin · Unknown / Other · issued Jun 26, 2025
• This Preliminary information communicates an issue for a rub or scarp noise from the steering and dealership are to fully seat the turn signal switch bracket to correct the noise.
  PIT6302B · Technical service bulletin · Unknown / Other · issued Jun 20, 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 / Other · issued Jun 20, 2025
• This Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle doors are being closed and the key in vehicle reminder set to…
  PIT6401 · Technical service bulletin · Unknown / Other · issued Jun 19, 2025
• This preliminary information advises dealers of a potential ignition coil failure that could cause an engine misfire that could be misdiagnosed as a fuel injector.
  PIP6073 · Technical service bulletin · Unknown / Other · issued Jun 19, 2025
• This PI communicates an issue with the inside rearview mirror image misaligned and instructions dealership to fully seat the mirror bracket
  PIT6403 · Technical service bulletin · Unknown / Other · issued Jun 18, 2025
• This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it. It also informs them to follow the bulletins as…
  PIT6393 · Technical service bulletin · Unknown / Other · issued Jun 18, 2025
• This PI communicates a procedure to clean oil leaking from the rain sensor.
  PIC6086J · Technical service bulletin · Unknown / Other · issued Jun 18, 2025
• This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with get…
  PIT6400 · Technical service bulletin · Unknown / Other · issued Jun 17, 2025
• Amendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehi…
  N252494770 · Service campaign · Unknown / Other · issued Jun 17, 2025
• This Preliminary information communicates information to inform the dealer that Engineering is currently investigating the Remote Fob Pairing option missing from the Radio Settings…
  PIT6399 · Technical service bulletin · Unknown / Other · issued Jun 12, 2025
• This Preliminary information communicates with dealer is they have a vehicle making a creak/clunk noise in the left front to inspect for some incomplete or missing spot welds in a …
  PIT6397 · Technical service bulletin · Unknown / Other · issued Jun 12, 2025
• This preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
  PIP6068 · Technical service bulletin · Unknown / Other · issued Jun 12, 2025
• This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
  PIT6180A · Technical service bulletin · Unknown / 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 / 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 technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3.
  25-NA-021 · Technical service bulletin · Electrical System · 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 PI communicates information to inform dealers that Engineering is currently working on a correction for Lane Keep Assist being inoperative.
  PIT6395 · Technical service bulletin · Unknown / Other · issued Jun 5, 2025
• This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to r…
  PIC6587C · Technical service bulletin · Unknown / Other · issued Jun 5, 2025
• This Preliminary information communicates with dealers if they see a Service 4WD Message on with DTC U3000 SYM47 and/or SYM49 set in the TCCM, Check DTCs, Clear DTCs and advise cus…
  PIT6287A · Technical service bulletin · Unknown / 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 / 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 / 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 / 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 / Other · issued May 22, 2025
• This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared L…
  PIT6356B · Technical service bulletin · Unknown / Other · issued May 20, 2025
• This Preliminary information communicates information on Reprogramming the BCM and how to place the key fob during Immobilizer learn due to the immobilizer coil being relocated.
  PIT6388 · Technical service bulletin · Unknown / Other · issued May 19, 2025
• This Preliminary Information communication advises technicians to inspect for, and if necessary, repair harness damage caused by possible contact with the EGR cooler outlet pipe or…
  PIP6064 · Technical service bulletin · Unknown / Other · issued May 19, 2025
• This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
  23-NA-170 · Technical service bulletin · Electrical System · issued May 16, 2025
• This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission …
  22-NA-182 · Technical service bulletin · Power Train · issued May 16, 2025
• This Preliminary Information is to inform the customer and service technicians on how to reset the radio/reboot and it will be corrected and to not replace any parts for this conce…
  PIT6379 · Technical service bulletin · Unknown / Other · issued May 16, 2025
• The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer…
  23-NA-153 · Technical service bulletin · Engine · issued May 15, 2025
• This Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared L…
  PIT6356A · Technical service bulletin · Unknown / Other · issued May 13, 2025
• This Preliminary information communicates That the active safety systems maybe inoperable and to perform a module reset to correct.
  PIC6587B · Technical service bulletin · Unknown / Other · issued May 13, 2025
• This engineering information (EI) closure ends the need for gathering further information from field in regard to fluid leaking at the output seal and/or leaking at the front slip …
  PIE0824A · Technical service bulletin · Power Train · issued May 10, 2025
• This service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag malfunction indicator illuminated.
  25-NA-119 · Technical service bulletin · Air Bags · issued May 9, 2025
• This service bulletin provides information on software related issues and provides technicians information to update the radio software to the latest version.
  25-NA-085 · Technical service bulletin · Electrical System · 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 an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which i…
  PIT6212C · Technical service bulletin · Unknown / Other · issued May 7, 2025
• This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to r…
  PIT6215B · Technical service bulletin · Unknown / Other · issued May 6, 2025
• This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
  PIT6369A · Technical service bulletin · Unknown / Other · issued May 6, 2025
• This Preliminary information communicates an issue with supercruise / adaptive cruise / forward Collision alert being inoperative due to the wiring harness to the long range radar …
  PIT6377 · Technical service bulletin · Unknown / Other · issued May 6, 2025
• Customer Satisfaction Program. On certain vehicles listed above, the customer was mistakenly charged for accessory black wheel lug nuts that were not received or could not be insta…
  N252502270 · Service campaign · Unknown / Other · issued May 6, 2025
• This Preliminary information communicates an issue with a false Service Brakes Now message displayed on the radio. There will be no other symptoms with the vehicle and the brake sy…
  PIT6349A · Technical service bulletin · Unknown / Other · issued May 5, 2025
• This Preliminary information communicates with dealers on the 2025 Police Tahoe with the Aux Battery option letting dealership know it is left disconnected at plant and should be c…
  PIT6376 · Technical service bulletin · Unknown / Other · issued May 5, 2025
• This Preliminary information communicates where the driver is unable to activate Super Cruise along with a DIC message stating "Super Cruise Subscription Required, Press OnStar But…
  PIT6268A · Technical service bulletin · Unknown / Other · issued May 5, 2025
• This Preliminary information communicates an issue with an SES MIL and BCM DTC U1962 and ECM P00FF set. Dealers are to reprogram the BCM with the lastest calibrations.
  PIT6281B · Technical service bulletin · Unknown / Other · issued May 5, 2025
• This Preliminary information communicates possible normal rear heater performance operation at idle.
  PIT6373 · Technical service bulletin · Unknown / Other · issued Apr 30, 2025
• This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
  25-NA-101 · Technical service bulletin · Electrical System · issued Apr 29, 2025
• This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
  22-NA-242 · Technical service bulletin · Electrical System · issued Apr 24, 2025
• This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
  24-NA-113 · Technical service bulletin · Electrical System · issued Apr 23, 2025
• This bulletin advises the tech to refer to a procedure in SI to aid in diagnosing a possible wiring concern.
  25-NA-099 · Technical service bulletin · Electrical System · issued Apr 22, 2025
• This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
  PIT6368A · Technical service bulletin · Unknown / Other · issued Apr 22, 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 A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system o…
  PIT6144G · Technical service bulletin · Unknown / Other · issued Apr 18, 2025
• This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
  PIT6369 · Technical service bulletin · Unknown / Other · issued Apr 18, 2025
• This Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener. Engineering is working on a new module.
  PIT6368 · Technical service bulletin · Unknown / Other · issued Apr 18, 2025
• This Preliminary information communicates an issue with the SES MIL and DTC P062B /P060C and engineering is currently investigating.
  PIT6110F · Technical service bulletin · Unknown / Other · issued Apr 18, 2025
• This service Bulletin provides information on the correction of that one or more Tire Pressure Monitor Sensor (TPMS) showing dashes after recent dealer service or after picking up …
  25-NA-097 · Technical service bulletin · Wheels · issued Apr 17, 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 bulletin provides a procedure to install an exhaust donut if found the cause of the back pressure after the heavy acceleration.
  25-NA-090 · Technical service bulletin · Engine · issued Apr 17, 2025
• This technical service bulletin provides information on the correction of the Steering Column Lock with the "Service Steering Column Lock" message or the inability to move the stee…
  25-NA-096 · Technical service bulletin · Electrical System · issued Apr 16, 2025
• This bulletin provides information of possible fuel injector harness electrical connector terminal having low tension creating the customers concern of a MIL Illuminated with Multi…
  25-NA-095 · Technical service bulletin · Electrical System · issued Apr 16, 2025
• This technical bulletin provides repair information to correct a customer concern of SUV Second Row Seat Bolt Torque Pattern.
  24-NA-022 · Technical service bulletin · Seats · issued Apr 16, 2025
• This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern. It is due to software and will need to reprogram…
  PIT6335A · Technical service bulletin · Unknown / Other · issued Apr 16, 2025
• This Preliminary information communicates to the technician that GM is aware of this concern and to update the Google maps application through the playstore.
  PIT6151B · Technical service bulletin · Unknown / Other · issued Apr 16, 2025
• This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
  PIT6105D · Technical service bulletin · Unknown / Other · issued Apr 16, 2025
• This Preliminary information communicates a issue where the rear windshield wipers will not be in the park position and will cause the rear back glass not to open with the switch o…
  PIT5941C · Technical service bulletin · Unknown / Other · issued Apr 16, 2025
• This Preliminary information communicates a issue where the Can bus 1 data line is being corrupted by a aftermarket lighting module or poor connection installed by a Police Upfitte…
  PIT5989C · Technical service bulletin · Unknown / Other · issued Apr 16, 2025
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008E · Technical service bulletin · Unknown / Other · issued Apr 16, 2025
• This Preliminary information communicates how to recover the Image Processing Module.
  PIC6552E · Technical service bulletin · Unknown / Other · issued Apr 16, 2025
• This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
  21-NA-166 · Technical service bulletin · Exterior Lighting · issued Apr 15, 2025
• This preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
  PIT6362A · Technical service bulletin · Unknown / Other · issued Apr 14, 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 / Other · issued Apr 12, 2025
• This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
  24-NA-229 · Technical service bulletin · Electrical System · issued Apr 10, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037W · Technical service bulletin · Unknown / Other · issued Apr 8, 2025
• This Preliminary information communicates to have the dealer verify the vehicle has RPO TRG - Trailer Camera Provisions to ensure the vehicle is equipped with Turn Signal Activated…
  PIT6366 · Technical service bulletin · Unknown / Other · issued Apr 8, 2025
• This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacti…
  PIT5986D · Technical service bulletin · Unknown / Other · issued Apr 8, 2025
• This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3
  25-NA-021 · Technical service bulletin · Unknown / Other · issued Apr 4, 2025
• This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
  PIT5851F · Technical service bulletin · Unknown / Other · issued Apr 4, 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 preliminary information communicates to dealership technicians various radio concerns are all related to software and Engineering is currently working on a design improvement.
  PIT6362 · Technical service bulletin · Unknown / Other · 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
• Some customers may comment on that their front center display screen shows apps in the entertainment Hub App.
  25-NA-078 · Technical service bulletin · Electrical System · issued Mar 29, 2025
• This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built In Radio.
  22-NA-096 · Technical service bulletin · Unknown / Other · issued Mar 29, 2025
• This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
  22-NA-242 · Technical service bulletin · Electrical System · issued Mar 28, 2025
• This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to fluid leaking at the ou…
  PIE0824 · Technical service bulletin · Power Train · issued Mar 27, 2025
• This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oi…
  25-NA-052 · Technical service bulletin · Engine · issued Mar 25, 2025
• This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder…
  23-NA-185 · Technical service bulletin · Steering · issued Mar 25, 2025
• This Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
  PIT6110E · Technical service bulletin · Unknown / Other · issued Mar 24, 2025
• This engineering information (EI Lite) instructs the technician to use the Field Product Reporting (FPR) App process if you encounter a vehicle where a customer comments on the low…
  PIE0823 · Technical service bulletin · Structure · issued Mar 21, 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 / 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 Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared L…
  PIT6356 · Technical service bulletin · Unknown / Other · issued Mar 21, 2025
• This Preliminary information communicates an issue with the GM accy illuminated sill plate being inoperative after installation and new BCM cals have been released to correct this …
  PIT6301A · Technical service bulletin · Unknown / Other · issued Mar 21, 2025
• This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3
  25-NA-021 · Technical service bulletin · Electrical System · issued Mar 20, 2025
• This bulletin provides information on Wiper Blade Maintenance Tips.
  24-NA-164 · Technical service bulletin · Visibility/wiper · issued Mar 20, 2025
• This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…
  PIT6288E · Technical service bulletin · Unknown / Other · issued Mar 19, 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 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 information for dealers/technicians on Diagnostic Aid - Super Cruise Unavailable.
  25-NA-060 · Technical service bulletin · Forward Collision Avoidance · issued Mar 11, 2025
• This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
  19-NA-255 · Technical service bulletin · Structure · issued Mar 11, 2025
• This Preliminary information communicates an issue with ABS SES MIL / Service Brake System / Service StabiliTrak / BSCM DTC P0606 P0562 and dealers to perform additional battery an…
  PIT6347A · Technical service bulletin · Service Brakes · issued Mar 11, 2025
• This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a dead battery or unwanted theft alarm. Dealers are to inspect t…
  PIT5993D · Technical service bulletin · Unknown / Other · issued Mar 7, 2025
• This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the power sliding conso…
  PIE0820A · Technical service bulletin · Structure · issued Mar 5, 2025
• This bulletin provides a service procedure to replace the sway bar bracket retainers if found the cause of the clunking noise from front of vehicle.
  24-NA-099 · Technical service bulletin · Suspension · issued Mar 5, 2025
• This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
  17-NA-073 · Technical service bulletin · Unknown / 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 engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the power slidin…
  PIE0820 · Technical service bulletin · Structure · issued Mar 1, 2025
• This Preliminary information communicates an issue with a false Service Brakes Now message displayed on the radio. There will be no other symptoms with the vehicle and the brake sy…
  PIT6349 · Technical service bulletin · Unknown / Other · issued Feb 28, 2025
• This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…
  PIT6288D · Technical service bulletin · Unknown / Other · issued Feb 28, 2025
• This engineering information (EI Lite) is requesting technicians use the FPR Process in regards to rocker moldings experiencing poor fit, loose parts, broken clips and/or warpage r…
  PIE0806A · Technical service bulletin · Structure · issued Feb 27, 2025
• This Preliminary information communicates a tip when diagnosing an inoperative air leveling suspension system and to repair any loss of comm DTC's with the power window motors firs…
  PIT5981B · Technical service bulletin · Suspension · issued Feb 27, 2025
• This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system o…
  PIT6144F · Technical service bulletin · Suspension · issued Feb 27, 2025
• This bulletin provides information on Wiper Blade Maintenance Tips.
  24-NA-164 · Technical service bulletin · Visibility/wiper · issued Feb 26, 2025
• This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
  24-NA-113 · Technical service bulletin · Electrical System · issued Feb 26, 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 an issue with ABS SES MIL / Service Brake System / Service StabiliTrak / BSCM DTC P0606 P0562 and engineering is currently investigating.
  PIT6347 · Technical service bulletin · Service Brakes · 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 / Other · issued Feb 22, 2025
• This Preliminary information communicates an issue with blower motor speed changing when air flow is blocked by snow.
  PIT6344 · Technical service bulletin · Unknown / Other · issued Feb 22, 2025
• This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinke…
  PIT5734H · Technical service bulletin · Unknown / Other · issued Feb 21, 2025
• This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
  05-08-51-001L · Technical service bulletin · Structure · issued Feb 20, 2025
• This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3
  25-NA-021 · Technical service bulletin · Unknown / Other · issued Feb 20, 2025
• This technical bulletin provides repair information to correct a customer concern of Radio Software Update W23E-178.1.2-M174-SQBR6-93.3.
  25-NA-021 · Technical service bulletin · Electrical System · issued Feb 20, 2025
• This informational bulletin advises the technician of an upgraded rear coil spring if the rear sags to much from loaded equipment.
  22-NA-140 · Technical service bulletin · Suspension · issued Feb 20, 2025
• This informational bulletin provides information on Information on Removing Fleet Keys.
  25-NA-033 · Technical service bulletin · Unknown / Other · issued Feb 19, 2025
• This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern. It is due to software and will need to reprogram…
  PIT6335 · Technical service bulletin · Unknown / Other · issued Feb 19, 2025
• This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the …
  16-NA-109 · Technical service bulletin · Steering · issued Feb 18, 2025
• This Preliminary information communicates programming the Image Processing module and possible replacing the drivers monitoring camera for concerns with Supercruise Unavailable and…
  PIT6339 · Technical service bulletin · Unknown / Other · 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 / Other · issued Feb 18, 2025
• This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
  PIT6276A · Technical service bulletin · Unknown / Other · issued Feb 18, 2025
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008D · Technical service bulletin · Unknown / Other · issued Feb 18, 2025
• This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp …
  23-NA-102 · Technical service bulletin · Power Train · issued Feb 15, 2025
• This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacti…
  PIT5986C · Technical service bulletin · Unknown / Other · issued Feb 15, 2025
• This Preliminary information communicates that a customer may see a Super Cruise Unavailable message with multiple codes setting and Engineering is working on a resolution.
  PIT6186E · Technical service bulletin · Unknown / Other · issued Feb 15, 2025
• This Preliminary information communicates to dealership technicians that they will need to perform this step prior to performing any programming on replacement radios.
  PIT6105C · Technical service bulletin · Unknown / Other · issued Feb 15, 2025
• This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…
  PIT6288D · Technical service bulletin · Structure · issued Feb 14, 2025
• This Preliminary information communicates if a customer and service tech encounter this concern, it will be fixed with a software update and the vehicle can still be driven in the …
  PIT6334 · Technical service bulletin · Unknown / Other · issued Feb 14, 2025
• This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
  24-NA-264 · Technical service bulletin · Power Train · issued Feb 13, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037V · Technical service bulletin · Unknown / Other · issued Feb 13, 2025
• This Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system o…
  PIT6144E · Technical service bulletin · Suspension · issued Feb 13, 2025
• This Preliminary information communicates an issues with the HVAC making a hum buzz noise when the blower is set to a higher speed. Engineering is working on a new HVAC door seal m…
  PIT6132B · Technical service bulletin · Unknown / Other · issued Feb 12, 2025
• Great News! Your vehicle keeps getting better. This update contains a required software change to help improve the overall software update and diagnostics process. Be sure to insta…
  N25-F172AE · Technical service bulletin · Unknown / Other · issued Feb 7, 2025
• This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The …
  PIT5479G · Technical service bulletin · Unknown / Other · issued Feb 7, 2025
• This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.
  24-NA-048 · Technical service bulletin · Forward Collision Avoidance · issued Feb 6, 2025
• This bulletin provides Information on Infotainment Screen Hot to the Touch.
  24-NA-127 · Technical service bulletin · Electrical System · issued Feb 5, 2025
• This Preliminary information communicates an issue with a wind noise while driving at highway speeds and dealers are to inspect the body harness pass through for being full seated …
  PIT5990C · Technical service bulletin · Unknown / Other · issued Feb 5, 2025
• This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
  21-NA-043 · Technical service bulletin · Electrical System · issued Jan 31, 2025
• This service bulletin provides information on proper use of floor mats.
  10-08-110-001L · Technical service bulletin · Structure · issued Jan 31, 2025
• This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Unknown / Other · 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 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 28, 2025
• This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp …
  23-NA-102 · Technical service bulletin · Electrical System · 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 a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008C · Technical service bulletin · Unknown / Other · issued Jan 24, 2025
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985J · Technical service bulletin · Unknown / Other · issued Jan 24, 2025
• This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
  21-NA-155 · Technical service bulletin · Service Brakes · issued Jan 17, 2025
• This Preliminary information communicates information on vehicle speed being limited due to aftermarket lower kit being installed on the vehicle.
  PIT5854C · Technical service bulletin · Unknown / Other · issued Jan 17, 2025
• This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
  24-NA-239 · Technical service bulletin · Steering · issued Jan 16, 2025
• Your vehicle keeps getting better. This software update includes the following, if your vehicle is equipped: Refinements: · Improves connectivity for OnStar services and associated…
  N24-248967 · Technical service bulletin · Unknown / Other · issued Jan 15, 2025
• This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.
  22-NA-150 · Technical service bulletin · Electrical System · issued Jan 15, 2025
• Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.
  24-NA-132 · Technical service bulletin · Unknown / Other · issued Jan 13, 2025
• This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
  24-NA-113 · Technical service bulletin · Unknown / Other · issued Jan 10, 2025
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832T · Technical service bulletin · Unknown / Other · issued Jan 10, 2025
• This Preliminary information communicates an issue with an SES MIL and BCM DTC U1962 and ECM P00FF set. Dealers are to perform a clear DTC's and if necessary perform a Serial Data …
  PIT6281A · Technical service bulletin · Unknown / Other · issued Jan 10, 2025
• This Preliminary information communicates to check the drivers monitoring camera for a B1DD0 SYM57 or B0126 SYM82 setting with no other DTCs.
  PIC6556H · Technical service bulletin · Unknown / Other · issued Jan 10, 2025
• This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
  09-06-04-026Z · Technical service bulletin · Power Train · issued Jan 9, 2025
• This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer.
  22-NA-218 · Technical service bulletin · Engine · issued Jan 9, 2025
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008B · Technical service bulletin · Power Train · issued Jan 9, 2025
• This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…
  PIT6288C · Technical service bulletin · Unknown / Other · issued Jan 9, 2025
• This Preliminary information communicates to dealership technicians that if they have a customer with this issue, do not replace any parts until the repair is available.
  PIT6274B · Technical service bulletin · Unknown / Other · issued Jan 9, 2025
• This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of …
  20-NA-166 · Technical service bulletin · Engine · issued Jan 8, 2025
• This Preliminary information communicates confusion with the DTC naming of the frontview camera module and when dealership see the naming of the K124 Image Processing Module 1 - Pr…
  PIT6313 · Technical service bulletin · Unknown / Other · issued Jan 7, 2025
• This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
  20-NA-132 · Technical service bulletin · Electrical System · issued Jan 7, 2025
• This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
  07-00-89-037U · Technical service bulletin · Unknown / Other · issued Jan 4, 2025
• This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
  24-NA-113 · Technical service bulletin · Unknown / Other · issued Jan 2, 2025
• This Preliminary information communicates an issue where the rear tail lights may not work and dealership are to replace the tail light assembly.
  PIT6310 · Technical service bulletin · Exterior Lighting · issued Dec 19, 2024
• Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.
  24-NA-132 · Technical service bulletin · Electrical System · issued Dec 16, 2024
• This Preliminary information communicates that a customer may see a Super Cruise Unavailable message with multiple codes setting and Engineering is working on a resolution.
  PIT6186D · Technical service bulletin · Forward Collision Avoidance · issued Dec 16, 2024
• This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdat…
  PIT6265B · Technical service bulletin · Unknown / Other · issued Dec 16, 2024
• This service bulletin provides information for dealers/technicians on Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
  22-NA-053 · Technical service bulletin · Unknown / Other · issued Dec 14, 2024
• This warranty bulletin provides information on Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
  22-NA-038 · Technical service bulletin · Unknown / Other · issued Dec 14, 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 / Other · issued Dec 14, 2024
• This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…
  PIT6288B · Technical service bulletin · Unknown / Other · issued Dec 14, 2024
• This Preliminary information communicates an issue for a rub or scarp noise from the steering and dealership are to fully seat the turn signal switch bracket to correct the noise.
  PIT6302 · Technical service bulletin · Unknown / Other · issued Dec 14, 2024
• This Preliminary information communicates an issue with the GM accy illuminated sill plate being inoperative after installation and engineering is working on releasing the proper c…
  PIT6301 · Technical service bulletin · Unknown / Other · issued Dec 14, 2024
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985G · Technical service bulletin · Fuel/propulsion System · issued Dec 14, 2024
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832S · Technical service bulletin · Electrical System · issued Dec 13, 2024
• This Preliminary information communicates an issue with how to properly inspect and ensure the air lines for the air suspension system are fully seated.
  PIT5801E · Technical service bulletin · Suspension · issued Dec 11, 2024
• This Preliminary information communicates Diagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters.
  PIT6015C · Technical service bulletin · Electrical System · issued Dec 10, 2024
• This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
  24-NA-113 · Technical service bulletin · Electrical System · issued Dec 7, 2024
• This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during t…
  23-NA-064 · Technical service bulletin · Electrical System · issued Dec 6, 2024
• This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
  PIT5962B · Technical service bulletin · Electrical System · issued Dec 6, 2024
• This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…
  PIT6288A · Technical service bulletin · Unknown / Other · issued Dec 6, 2024
• This Preliminary information communicates Thus the active safety systems maybe inoperable and to perform a module reset to correct.
  PIC6587 · Technical service bulletin · Unknown / Other · issued Dec 6, 2024
• This Preliminary information communicates how to recover the Image Processing Module.
  PIC6552D · Technical service bulletin · Unknown / Other · issued Dec 6, 2024
• This Preliminary information communicates to check the drivers monitoring camera for a B1DD0 SYM57 or B0126 SYM82 setting with no other DTCs.
  PIC6556G · Technical service bulletin · Forward Collision Avoidance · issued Dec 6, 2024
• This Preliminary information communicates the proper component naming and labor operation codes for the air leveling system RPO F47and the Electronic Suspension Control System RPO …
  PIT5923C · Technical service bulletin · Suspension · issued Dec 5, 2024
• This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a dead battery or unwanted theft alarm. Dealers are to inspect t…
  PIT5993C · Technical service bulletin · Unknown / Other · issued Dec 4, 2024
• This bulletin helps aid the tech in possible transmission noise that may be normal or abnormal depending on the concern noted.
  24-NA-264 · Technical service bulletin · Power Train · issued Nov 27, 2024
• This service bulletin provides a service procedure to correct customer concerns of Air Conditioning (A/C) Not Working and/or Blows Warm Air.
  24-NA-259 · Technical service bulletin · Visibility/wiper · issued Nov 27, 2024
• This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
  08-07-30-035I · Technical service bulletin · Power Train · issued Nov 27, 2024
• This service bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customer concern of wheel clicking.
  17-NA-271 · Technical service bulletin · Service Brakes · issued Nov 26, 2024
• This Preliminary information communicates with dealers if they see a Service 4WD Message on with DTC U3000 SYM47 set in the TCCM, Check DTCs, Clear DTCs and advise customer enginee…
  PIT6287 · Technical service bulletin · Fuel/propulsion System · issued Nov 26, 2024
• This service bulletin provides diagnostic/repair information to correct a customer concern of Cellphone not Charging or USB Receptacle Inoperative.
  22-NA-238 · Technical service bulletin · Electrical System · issued Nov 25, 2024
• This informational bulletin provides information on Outside Rear View Mirror Defog or Defrost Times Different for Passenger and Driver Mirrors.
  23-NA-167 · Technical service bulletin · Visibility/wiper · issued Nov 22, 2024
• This diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
  19-NA-219 · Technical service bulletin · Engine · issued Nov 22, 2024
• This Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and o…
  PIT6288 · Technical service bulletin · Structure · issued Nov 22, 2024
• This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
  24-NA-113 · Technical service bulletin · Unknown / Other · issued Nov 15, 2024
• This Preliminary information communicates an issue with programming key fobs and provides information on how to address any fob programming issues.
  PIT6284 · Technical service bulletin · Unknown / Other · issued Nov 15, 2024
• This technical bulletin provides repair information to correct a customer concern of Air Bag Warning MIL with DTC B14DC.
  24-NA-255 · Technical service bulletin · Electrical System · issued Nov 14, 2024
• This Preliminary information communicates an issue with an SES MIL and BCM DTC U1962 and ECM P00FF set. Dealers are to perform a clear DTC's and if necessary, perform a Serial Data…
  PIT6281 · Technical service bulletin · Electrical System · issued Nov 12, 2024
• This Preliminary information communicates an issues with a service keyless entry message caused by aftermarket door handle covers and they should be removed.
  PIT6276 · Technical service bulletin · Structure · issued Nov 8, 2024
• This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this communication issue, they can contact TCSC to have the software for t…
  PIT6265A · Technical service bulletin · Unknown / Other · issued Nov 8, 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 Preliminary information communicates an issue that after starting the vehicle intermittently they are unable to shift out of Park with a "Conditions Not Met" message. Engineer…
  PIT6273 · Technical service bulletin · Power Train · issued Nov 5, 2024
• This Preliminary information communicates recovery procedure after return to dealer message.
  PIT6209C · Technical service bulletin · Unknown / Other · issued Nov 1, 2024
• This Preliminary information communicates to check the drivers monitoring camera for a B1DD0 SYM57 or B0126 SYM82 setting with no other DTCs.
  PIC6556F · Technical service bulletin · Unknown / Other · issued Oct 29, 2024
• This Preliminary information communicates where the driver is unable to activate Super Cruise along with a DIC message stating "Super Cruise Subscription Required, Press OnStar But…
  PIT6268 · Technical service bulletin · Forward Collision Avoidance · issued Oct 29, 2024
• This Preliminary information communicates diagnostic tips on how to resolve a issues with vehicles that will not power up after a can bus 2 issue, lightning strike, or a failed ove…
  PIT5985F · Technical service bulletin · Electrical System · issued Oct 28, 2024
• This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
  PIT5832R · Technical service bulletin · Unknown / Other · issued Oct 28, 2024
• This Preliminary information communicates a false DTC U0422 set in the K5 Automatic Level Control Module and dealership should ignore and clear the DTC. This does not cause any cus…
  PIT6267 · Technical service bulletin · Suspension · issued Oct 28, 2024
• This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
  24-NA-239 · Technical service bulletin · Electrical System · issued Oct 28, 2024
• This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
  04-06-01-029K · Technical service bulletin · Steering · issued Oct 28, 2024
• This Preliminary information communicates that a customer may see a Super Cruise Unavailable message with multiple codes setting and Engineering is working on a resolution.
  PIT6186C · Technical service bulletin · Forward Collision Avoidance · issued Oct 25, 2024
• This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which i…
  PIT6212B · Technical service bulletin · Service Brakes · issued Oct 25, 2024
• This Preliminary information communicates to dealership technicians that if they encounter a vehicle with this issue, they can contact TCSC to have the software for the MDI backdat…
  PIT6265 · Technical service bulletin · Unknown / Other · issued Oct 24, 2024
• This Preliminary information communicates a possible retainer ring dis-lodged for a DTC P2714, may not have reverse as well.
  PIP6008A · Technical service bulletin · Power Train · issued Oct 23, 2024
• This Preliminary information communicates the the active safety features and/or cameras are inoperative or unavailable after a 12 volt battery replacement or battery charge after a…
  PIT6236A · Technical service bulletin · Unknown / Other · issued Oct 22, 2024
• This Preliminary information communicates an issue with an aftermarket device wired into the vehicle and cause the vehicle to turn off when shifted into gear. This PI provides a di…
  PIT6234 · Technical service bulletin · Electrical System · issued Oct 22, 2024
• Warranty Administration - Claim Submission for Field Actions using Vehicle Wide Programming.
  24-NA-132 · Technical service bulletin · Unknown / Other · issued Oct 18, 2024
• This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
  24-NA-113 · Technical service bulletin · Unknown / Other · issued Oct 18, 2024
• This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
  24-NA-229 · Technical service bulletin · Electrical System · issued Oct 17, 2024
• This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs should be.
  24-NA-225 · Technical service bulletin · Fuel/propulsion System · issued Oct 15, 2024
• This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should…
  24-NA-040 · Technical service bulletin · Unknown / Other · issued Oct 11, 2024
• This technical bulletin provides a procedure to correct the condition of Striker to Liftglass Latch Creak Noise.
  24-NA-219 · Technical service bulletin · Structure · issued Oct 9, 2024
• This informational bulletin advises the tech and the customer of a normal DEF operation while under high load conditions and when the time is right to fill the DEF at that time fra…
  24-NA-196 · Technical service bulletin · Engine · issued Oct 9, 2024
• This service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
  10-00-89-009F · Technical service bulletin · Unknown / Other · issued Oct 9, 2024
• This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
  19-NA-255 · Technical service bulletin · Structure · issued Oct 8, 2024
• This Preliminary information communicates information on a upfitter or body shop swapping rear door harnessses side to side causing incorrect rear window operation.
  PIT6254 · Technical service bulletin · Electrical System · issued Oct 7, 2024
• This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
  22-NA-244 · Technical service bulletin · Structure · issued Oct 5, 2024
• This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
  01-06-01-011Q · Technical service bulletin · Engine · issued Oct 5, 2024
• This service bulletin provides information for dealers/technicians on New Labor Operations for Limited Production Option (LPO) Calibrated Accessories.
  22-NA-053 · Technical service bulletin · Unknown / Other · issued Oct 3, 2024
• This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
  99-00-89-019Z · Technical service bulletin · Unknown / 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 / 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 / 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 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 informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.
  21-NA-166 · Technical service bulletin · Electrical System · issued Sep 17, 2024
• This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be acco…
  08-07-30-026I · Technical service bulletin · Power Train · issued Sep 16, 2024
• This 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 / Other · issued Sep 14, 2024
• This informational bulletin provides information on Information on Bright PVD (Physical Vapor Deposition) Wheels Appearance and Care.
  24-NA-187 · Technical service bulletin · Wheels · issued Sep 12, 2024
• This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission …
  22-NA-182 · Technical service bulletin · Power Train · issued Sep 11, 2024
• This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
  07-00-89-036K · Technical service bulletin · Unknown / Other · issued Sep 10, 2024
• This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended…
  21-NA-281 · Technical service bulletin · Power Train · 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 / Other · issued Sep 9, 2024
• The bulletin provides direction on how to locate the Temporary Service Part (TSP) form in GlobalConnect.
  24-NA-174 · Technical service bulletin · Unknown / Other · issued Aug 27, 2024
• This bulletin provides information on Wiper Blade Maintenance Tips.
  24-NA-164 · Technical service bulletin · Visibility/wiper · 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