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Service bulletins for the 2026 Chevrolet Traverse

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

145 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
N262547330-012026-05-08. Service campaign. UNKNOWN OR OTHER. Certain vehicles may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. IMPORTANT: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
N2525411302026-05-04. Service campaign. UNKNOWN OR OTHER. Certain vehicles may have been delivered without the customer ordered Front Grille Illuminated Emblem. Dealers will install the missing illuminated emblem OR provide the customer with a reimbursement check in the amount of $500.00.
PIT6502B2026-05-01. Service bulletin. UNKNOWN OR OTHER. A vehicle may have a service all wheel drive message. Tech is given direction to either reset the module or order a new module with instructions for a part restriction.
PIC6629D2026-04-30. Service bulletin. UNKNOWN OR OTHER. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIT6502A2026-04-23. Service bulletin. UNKNOWN OR OTHER. A vehicle may have a service all wheel drive message. Tech is given direction to either reset the module or order a new module with instructions for a part restriction.
PIT65032026-04-23. Service bulletin. UNKNOWN OR OTHER. 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 engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
PIT65012026-04-23. Service bulletin. UNKNOWN OR OTHER. This preliminary information is to inform technicians to perform the radio reset for the repair. If the reset did not correct the concern, service information diagnostics will need to be performed.
N2625473302026-04-17. Service campaign. UNKNOWN OR OTHER. Certain vehicles, may have a condition in which the Telematic Control Module may enter an unrecoverable state. Dealers are to reprogram the Telematic Control Module. Important: The module may be several software versions behind and could take multiple programming events to bring it to the latest software level (The same calibration screen MUST be displayed to validate the module has been programmed to the latest level). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
PIC6627C2026-04-14. Service bulletin. UNKNOWN OR OTHER. This preliminary information is to inform technicians and customers that GM is aware of this concern and to not replace any parts at this time. This will be fixed in a future software update.
PIT65022026-04-13. Service bulletin. UNKNOWN OR OTHER. A vehicle may have a service all wheel drive message. Tech is given direction to either reset the module or order a new module with instructions for a part restriction.
PIT3271Q2026-04-07. Service bulletin. UNKNOWN OR OTHER. This preliminary information communicates information about how to determine if a wheel and tires size change is available.
PIP6102A2026-04-07. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with 8T65 / LK0 with an Engine stall after remote start or warm up in cold Ambient temperature
654.112026-04-02. Over-the-air update. UNKNOWN OR OTHER. • Fixes to help ensure proper functionality for heating and cooling features. • Improvements to night mode lights for shifting gears. • Fixes for Daytime Running Lamps turning on when set to Off. • Fixes to help prevent erroneous missing key messages on driver display. • Fixes for accuracy of low tire pressure alert. • Fixes for speed threshold for pedestrian alerts. • Fixes to help ensure proper functionality for shifting. • Fixes to help protect transmission health. • Improvements to diagnostics to prevent vehicle not starting. • Fixes to help reduce instances of check engine light activation in cold weather.
N2625465902026-04-01. Service campaign. FUEL/PROPULSION SYSTEM. Certain vehicles listed above, may have a condition where coolant leaks from the radiator hose quick connect at the radiator inlet. This special coverage covers the condition described above for a period of 5 years or 60,000 miles (100,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after April 1, 2026, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to April 1, 2026, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to remove the inlet hose and replace the seal. The repairs will be made at no charge to the customer.
PIT6368C2026-03-31. Service bulletin. UNKNOWN OR OTHER. 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.
PIT6479A2026-03-31. Service bulletin. UNKNOWN OR OTHER. A vehicle may have a service all wheel drive message. Tech is directed to clear code and advise customer that engineering is investigating.
PIT6413A2026-03-24. Service bulletin. UNKNOWN OR OTHER. This preliminary information is for technicians that will have this message after USB updating the radio. The repair should not involve replacing a module as pressing the reset button will correct this issue.
PIP61042026-03-17. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
PIP4902V2026-03-17. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
N2525422002026-03-16. Service campaign. FUEL/PROPULSION SYSTEM. Service Update. Certain vehicles listed above may have contamination inside the high-pressure fuel pump spill valve assembly. Dealers will replace the high pressure fuel pump.
PIT6393J2026-03-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
PIT6394E2026-03-11. Service bulletin. UNKNOWN OR OTHER. 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 complete the procedure.
PIT6425D2026-03-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
PIC6629C2026-03-11. Service bulletin. UNKNOWN OR OTHER. This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
PIT6394D2026-03-03. Service bulletin. UNKNOWN OR OTHER. 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 complete the procedure.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.