GMC Acadia Service Bulletins
1,403 manufacturer communications on file.
- November 13, 2025•Document ID: 11025574Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6629A
- Date Added:
- November 17, 2025
- Manufacturer:
- BUICK
SummaryThis PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
Associated Products (76)2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Colorado2026 Chevrolet Equinox2026 Chevrolet Tahoe2026 Chevrolet Trailblazer2026 Chevrolet Traverse2026 Chevrolet Trax2026 GMC Acadia2026 GMC Canyon2026 GMC Hummer EV Pickup+ 56 moreAssociated Documents - November 11, 2025•Document ID: 11025572Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6629
- Date Added:
- November 17, 2025
- Manufacturer:
- CHEVROLET
SummaryThis PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
Associated Products (77)2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Colorado2026 Chevrolet Equinox2026 Chevrolet Tahoe2026 Chevrolet Trailblazer2026 Chevrolet Traverse2026 Chevrolet Trax2026 GMC Acadia2026 GMC Canyon2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV+ 57 moreAssociated Documents - November 7, 2025•Document ID: 11025974Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; WHEELS
- Mfr Comm. #:
- 24-NA-166
- Date Added:
- December 2, 2025
- Manufacturer:
- GMC
SummaryThis technical bulletin provides repair information to correct a customer concern of DTC C1171 C1172 C1173 C1174 Tire Pressure Monitor Sensor Unable to Relearn Ethernet Cable Overlay for TCP OnStar Module.
Associated Products (8)Associated Documents - November 7, 2025•Document ID: 11025463Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6218C
- Date Added:
- November 10, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates that a vehicle may be encountered with an SES light on and code P059F set. The technician is instructed to inspect the bracket in front of the grill shutter for being bent before replacing the shutter.
Associated Products (8)Associated Documents - October 23, 2025•Document ID: 11024704Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6393F
- Date Added:
- November 2, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
Associated Products (34)2026 Buick Enclave2026 Cadillac Vistiq2026 Chevrolet Equinox2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Terrain2025 Buick Enclave2025 Buick Envision2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Tahoe+ 14 moreAssociated Documents - October 21, 2025•Document ID: 11024390Service CampaignENGINE
- Mfr Comm. #:
- N252508350
- Date Added:
- October 21, 2025
- Manufacturer:
- GMC
SummaryCertain vehicles listed above, may have a condition that could cause the engine coolant thermostat to open at a lower temperature than intended. If this condition were to occur, the Malfunction Indicator Lamp (Check Engine Light) will illuminate and a diagnostic trouble code will set. Additionally in some cases, the engine cooling fans may run after the engine is switched off. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000 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 October 21, 2025, 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 October 21, 2025, 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 replace the engine coolant thermostat as necessary. The repairs will be made at no charge to the customer.
Associated Products (4)Associated Documents - October 18, 2025•Document ID: 11024460Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6425B
- Date Added:
- October 24, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
Associated Products (210)2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado+ 190 moreAssociated Documents - October 17, 2025•Document ID: 11024455Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6425A
- Date Added:
- October 24, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
Associated Products (210)2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado+ 190 moreAssociated Documents - October 16, 2025•Document ID: 11024458Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6551A
- Date Added:
- October 24, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
Associated Products (176)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac Celestiq2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 156 moreAssociated Documents - October 13, 2025•Document ID: 11024651Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 653.20
- Date Added:
- October 31, 2025
- Manufacturer:
- CHEVROLET
Summary• Improves how center display adjusts to lighting changes. • Improved warnings when a key is missing. • Better tuning for interior lighting in Stealth mode. • Improvements to automatic low beam headlamp logic. • Smoother dimming and transitions from day to night. • Improves Check Engine Light accuracy. • Improves behavior of aero shutter system in freezing temperatures. • Fixes to help prevent erroneous collision calls. • Fixes to address issues with OnStar stolen vehicle responses. • Improvements to performance of software updates and connectivity. • Fixes to help prevent battery drain. • Fixes to responsiveness issues with Wi-Fi, Navigation, Super Cruise, and OnStar. • Improvements to software updates. • Improvements to OnStar emergency calls. • Fixes to address cellular connectivity issues. • Fixes calculation of vehicle brake pad life to address inaccurate status shown on center display. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation. If you are not using your vehicle's built-in 4G LTE connection, then applicable data rates apply.
Associated Products (3)Associated Documents - October 13, 2025•Document ID: 11024648Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 653.30
- Date Added:
- October 31, 2025
- Manufacturer:
- CHEVROLET
Summary• Improves how center display adjusts to lighting changes. • Improved warnings when a key is missing. • Better tuning for interior lighting in Stealth mode. • Improvements to automatic low beam headlamp logic. • Smoother dimming and transitions from day to night. • Improves Check Engine Light accuracy. • Improves behavior of aero shutter system in freezing temperatures. • Fixes to help prevent erroneous collision calls. • Fixes to address issues with OnStar stolen vehicle responses. • Improvements to performance of software updates and connectivity. • Fixes to help prevent battery drain. • Fixes to responsiveness issues with Wi-Fi, Navigation, Super Cruise, and OnStar. • Improvements to software updates. • Improvements to OnStar emergency calls. • Fixes to address cellular connectivity issues. • Fixes calculation of vehicle brake pad life to address inaccurate status shown on center display. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation. If you are not using your vehicle's built-in 4G LTE connection, then applicable data rates apply.
Associated Products (2)Associated Documents - October 11, 2025•Document ID: 11024452Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6045B
- Date Added:
- October 24, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates a potential chirp noise coming from the engine compartment.
Associated Products (8)Associated Documents - October 9, 2025•Document ID: 11024448Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6087A
- Date Added:
- October 24, 2025
- Manufacturer:
- BUICK
SummaryThis PI gives the dealer direction on a shudder shake low speed for a possible fluid condition.
Associated Products (28)2025 Buick Envision2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62024 Buick Envision2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2023 Buick Envision2023 Cadillac XT42023 Cadillac XT52023 Cadillac XT62023 Chevrolet Blazer2023 GMC Acadia2022 Buick Envision2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer+ 8 moreAssociated Documents - October 9, 2025•Document ID: 11024191EmissionsFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- N252516900
- Date Added:
- October 9, 2025
- Manufacturer:
- CHEVROLET
SummaryEmission Recall. Population Expansion.
Associated Products (23)2023 Cadillac XT42022 Buick Envision2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Equinox2022 GMC Acadia2022 GMC Terrain2021 Buick Envision2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Malibu2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Acadia+ 3 moreAssociated Documents - October 4, 2025•Document ID: 11024439Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6440
- Date Added:
- October 24, 2025
- Manufacturer:
- CADILLAC
SummaryThe Driver Information Center may display a message of Transport Mode On after the ignition is cycled.
Associated Products (210)2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado+ 190 moreAssociated Documents - October 4, 2025•Document ID: 11024438Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6393E
- Date Added:
- October 24, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
Associated Products (31)2026 Buick Enclave2026 Cadillac Vistiq2026 Chevrolet Equinox2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Terrain2025 Buick Enclave2025 Buick Envision2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia+ 11 moreAssociated Documents - October 3, 2025•Document ID: 11023730EmissionsFUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- N252516900
- Date Added:
- October 3, 2025
- Manufacturer:
- CADILLAC
SummaryEmission Recall. Fuel Pump Power Control Module.
Associated Products (23)2023 Cadillac XT42022 Buick Envision2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Equinox2022 GMC Acadia2022 GMC Terrain2021 Buick Envision2021 Cadillac Escalade2021 Cadillac Escalade ESV2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Malibu2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Acadia+ 3 moreAssociated Documents - October 1, 2025•Document ID: 11023907Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6393D
- Date Added:
- October 6, 2025
- Manufacturer:
- BUICK
SummaryThis Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
Associated Products (32)2026 Buick Enclave2026 Cadillac Vistiq2026 Chevrolet Equinox2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Terrain2025 Buick Enclave2025 Buick Envision2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia+ 12 moreAssociated Documents - October 1, 2025•Document ID: 11023903Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6411B
- Date Added:
- October 6, 2025
- Manufacturer:
- CHEVROLET
SummaryThis information provides software update information for the K73 Telematics module to correct the symptoms described.
Associated Products (22)2026 Buick Envision2026 Cadillac CT52026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac XT42026 Chevrolet Colorado2026 Chevrolet Equinox2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Canyon2026 GMC Terrain2025 Buick Envision2025 Cadillac CT52025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Traverse+ 2 moreAssociated Documents - September 27, 2025•Document ID: 11023900Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6607B
- Date Added:
- October 6, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates not to replace the Image processing Module if the following DTC's are history - U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.
Associated Products (15)Associated Documents