GMC Sierra Service Bulletins (2024)
1,448 manufacturer communications on file.
- October 20, 2025•Document ID: 11024697Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6435
- Date Added:
- November 2, 2025
- Manufacturer:
- GMC
SummaryThis preliminary information communicates an issue with the battery going dead due to the tailgate release switch and dealerships are to replace the switch.
Associated Products (6)Associated Documents - October 18, 2025•Document ID: 11024463Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6602L
- Date Added:
- October 24, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
Associated Products (31)2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 BrightDrop Zevo2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe+ 11 moreAssociated Documents - October 18, 2025•Document ID: 11024460Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6425B
- Date Added:
- October 24, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
Associated Products (325)2027 Chevrolet Bolt EV2026 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 Blazer+ 305 moreAssociated Documents - October 17, 2025•Document ID: 11024455Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6425A
- Date Added:
- October 24, 2025
- Manufacturer:
- BUICK
SummaryThis Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
Associated Products (325)2027 Chevrolet Bolt EV2026 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 Blazer+ 305 moreAssociated Documents - October 16, 2025•Document ID: 11024458Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6551A
- Date Added:
- October 24, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues
Associated Products (193)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 BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette+ 173 moreAssociated Documents - October 14, 2025•Document ID: 11024454Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6435
- Date Added:
- October 24, 2025
- Manufacturer:
- GMC
SummaryThis preliminary information communicates an issue with the battery going dead due to the tailgate release switch and dealerships are to replace the switch.
Associated Products (6)Associated Documents - October 9, 2025•Document ID: 11024466Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6602K
- Date Added:
- October 24, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
Associated Products (30)2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 BrightDrop Zevo2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup+ 10 moreAssociated Documents - October 7, 2025•Document ID: 11024441Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6406B
- Date Added:
- October 24, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
Associated Products (22)2026 Chevrolet Silverado2026 GMC Sierra2025 Chevrolet Silverado2025 GMC Sierra2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra+ 2 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 (278)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 BrightDrop+ 258 moreAssociated Documents - October 4, 2025•Document ID: 11024438Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6393E
- Date Added:
- October 24, 2025
- Manufacturer:
- BUICK
SummaryThis Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
Associated Products (40)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 Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado+ 20 moreAssociated Documents - October 3, 2025•Document ID: 11025555Service Bulletin/Repair InstructionsSUSPENSION
- Mfr Comm. #:
- 25-NA-152
- Date Added:
- November 15, 2025
- Manufacturer:
- GMC
Summarythis bulletin advises the tech not to replace the shock for possible air leak, but to replace the air valve on the shock.
Associated Products (12)Associated Documents - October 1, 2025•Document ID: 11023908Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6068C
- Date Added:
- October 6, 2025
- Manufacturer:
- CADILLAC
SummaryThis preliminary information advises dealers that Engine Control Module designation E90 is on a ordering restriction through technical assistance.
Associated Products (38)2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban+ 18 moreAssociated Documents - October 1, 2025•Document ID: 11023907Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6393D
- Date Added:
- October 6, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
Associated Products (40)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 Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado+ 20 moreAssociated Documents - September 15, 2025•Document ID: 11023349Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6083A
- Date Added:
- September 25, 2025
- Manufacturer:
- GMC
SummaryThis preliminary information informs the dealer of an engine no start issue that may be the result of a failed ECM update. Dealers are instructed to attempt ECM programming and replacement if needed.
Associated Products (4)Associated Documents - September 15, 2025•Document ID: 11023339Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6435
- Date Added:
- September 25, 2025
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information communicates an issue with the battery going dead due to the tailgate release switch and dealerships are to replace the switch.
Associated Products (6)Associated Documents - September 15, 2025•Document ID: 11023348Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6587E
- Date Added:
- September 25, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates That the active safety systems maybe inoperable and to perform a module reset to correct.
Associated Products (22)2026 Cadillac Vistiq2025 Buick Enclave2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Chevrolet Silverado2024 Chevrolet Traverse+ 2 moreAssociated Documents - September 15, 2025•Document ID: 11023344Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6426
- Date Added:
- September 25, 2025
- Manufacturer:
- GMC
SummaryIf a vehicle has an issue with super cruise inoperative tech is directed to follow a diagnostic path before replacing the Image processing module.
Associated Products (38)2026 Buick Enclave2026 Cadillac Escalade IQL2026 Cadillac Vistiq2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Traverse2026 GMC Acadia2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Buick Enclave2025 Cadillac Celestiq2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade IQ2025 Cadillac Lyriq+ 18 moreAssociated Documents - September 15, 2025•Document ID: 11023342Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6393C
- Date Added:
- September 25, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary Information is to inform customers to follow diagnostics if resetting, disconnecting the module did not correct it.
Associated Products (41)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 Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Equinox2025 Chevrolet Silverado+ 21 moreAssociated Documents - September 10, 2025•Document ID: 11023158Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6424B
- Date Added:
- September 17, 2025
- Manufacturer:
- GMC
SummaryA vehicle may come in with B3A6B set in history. Tech is directed to clear code and advise the customer an OTA will be released for the code.
Associated Products (26)2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Cadillac Vistiq2026 Chevrolet Silverado2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra2025 Cadillac Celestiq2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq+ 6 moreAssociated Documents - September 9, 2025•Document ID: 11023156Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6432
- Date Added:
- September 17, 2025
- Manufacturer:
- GMC
SummaryThis preliminary information communicates an issue with an SES MIL and reduced power steering, and brake assist that engineering is working on a fix.
Associated Products (9)Associated Documents