Chevrolet Tahoe Service Bulletins (2026)
215 manufacturer communications on file.
- October 24, 2026•Document ID: 11038744Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6368F
- Date Added:
- October 29, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener and to replace the opener with a new updated part.
Associated Products (57)2027 Buick Enclave2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Equinox2027 Chevrolet Silverado2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2026 Buick Enclave2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq+ 37 moreAssociated Documents - October 21, 2026•Document ID: 11038832Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 663.40/663.20
- Date Added:
- November 1, 2026
- Manufacturer:
- CADILLAC
Summary• Improved power window operation • Improvements to help prevent battery drain • Improved vehicle access and starting features
Associated Products (12)Associated Documents - October 21, 2026•Document ID: 11038745Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6554A
- Date Added:
- October 29, 2026
- Manufacturer:
- CADILLAC
SummaryThis preliminary information is to help technicians decide if the DTC needs to be diagnosed if relating to the concern and if it is not, the DTC can be ignored.
Associated Products (17)2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Chevrolet Silverado2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Hummer EV Pickup2027 GMC Hummer EV SUV2027 GMC Yukon2027 GMC Yukon XL2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XLAssociated Documents - October 8, 2026•Document ID: 11038821Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- Gateway 2026.3
- Date Added:
- October 31, 2026
- Manufacturer:
- GMC
SummaryThis update contains a required software change to help improve the overall software update and diagnostics process. Be sure to install this update to be able to receive future software updates. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior.
Associated Products (42)2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Optiq2027 Chevrolet Equinox2027 Chevrolet Tahoe2026 Buick Envision2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Optiq2026 Chevrolet BrightDrop2026 Chevrolet Corvette2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq+ 22 moreAssociated Documents - October 7, 2026•Document ID: 11038460Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6110L
- Date Added:
- October 14, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates an issue with the SES MIL and DTC P062B and engineering is currently investigating.
Associated Products (84)2027 Buick Encore GX2027 Chevrolet Trailblazer2026 Buick Encore GX2026 Buick Envision2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac XT52026 Chevrolet Blazer2026 Chevrolet Colorado2026 Chevrolet Express2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Trailblazer2026 GMC Canyon2026 GMC Savana2026 GMC Sierra2026 GMC Yukon+ 64 moreAssociated Documents - October 5, 2026•Document ID: 11038139Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6477D
- Date Added:
- October 6, 2026
- Manufacturer:
- CADILLAC
SummaryThis 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 in the scan tool
Associated Products (69)2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Chevrolet Silverado2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Sierra2027 GMC Yukon2027 GMC Yukon XL2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Sierra+ 49 moreAssociated Documents - October 2, 2026•Document ID: 11038164Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6554
- Date Added:
- October 6, 2026
- Manufacturer:
- CADILLAC
SummaryThis preliminary information is to help technicians decide if the DTC needs to be diagnosed if relating to the concern and if it is not, the DTC can be ignored.
Associated Products (18)2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Chevrolet Silverado2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Hummer EV Pickup2027 GMC Hummer EV SUV2027 GMC Sierra2027 GMC Yukon2027 GMC Yukon XL2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XLAssociated Documents - September 28, 2026•Document ID: 11038136Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6457C
- Date Added:
- October 5, 2026
- Manufacturer:
- CHEVROLET
SummaryThis 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 anything being replaced.
Associated Products (173)2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 153 moreAssociated Documents - September 28, 2026•Document ID: 11038133Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6551A
- Date Added:
- October 5, 2026
- Manufacturer:
- GMC
SummaryThis preliminary information communicates an issue with of a service theft message after using the rear window defogger. Engineering is currently investigating.
Associated Products (14)Associated Documents - September 28, 2026•Document ID: 11038132Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6540K
- Date Added:
- October 5, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to dealers a procedure to reset the radio.
Associated Products (173)2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 153 moreAssociated Documents - September 26, 2026•Document ID: 11037555Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5698F
- Date Added:
- September 30, 2026
- Manufacturer:
- CADILLAC
SummaryThis PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
Associated Products (619)2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Sierra2027 GMC Terrain2027 GMC Yukon2027 GMC Yukon XL+ 599 moreAssociated Documents - September 22, 2026•Document ID: 11037553Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6551
- Date Added:
- September 29, 2026
- Manufacturer:
- CADILLAC
SummaryThis preliminary information communicates an issue with of a service theft message after using the rear window defogger. Engineering is currently investigating.
Associated Products (16)2027 Cadillac Escalade2027 Cadillac Escalade ESV2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Chevrolet Suburban2027 Chevrolet Tahoe2027 GMC Yukon2027 GMC Yukon XL2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XLAssociated Documents - September 21, 2026•Document ID: 11037551Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6549
- Date Added:
- September 29, 2026
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information communicates an issue with a service column lock message and DTC U3000. Engineering is working on the issue and in the meantime dealerships are to reset/clear the DTC and perform four sleep cycles to verify the DTC does not return.
Associated Products (23)2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Sierra2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Chevrolet Silverado+ 3 moreAssociated Documents - September 18, 2026•Document ID: 11037459Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6550
- Date Added:
- September 23, 2026
- Manufacturer:
- CHEVROLET
SummaryThe Rear Camera Mirror display may appear angled downward. Investigation found that an aftermarket or dealer-installed rear license plate frame can contact the license plate lamp applique, pushing the applique upward and skewing the camera display angle. Remove or reposition the interfering frame, verify proper applique seating, and confirm the Rear Camera Mirror display is correctly aligned.
Associated Products (12)Associated Documents - September 15, 2026•Document ID: 11037446Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6426C
- Date Added:
- September 22, 2026
- 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 (53)2027 Buick Enclave2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Equinox2026 Buick Enclave2026 Cadillac Celestiq2026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Blazer2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe+ 33 moreAssociated Documents - September 10, 2026•Document ID: 11037320Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6629F
- Date Added:
- September 16, 2026
- 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 (95)2027 Chevrolet Bolt EV2026 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 Corvette2026 Chevrolet Equinox2026 Chevrolet Silverado2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 Chevrolet Trailblazer2026 Chevrolet Traverse+ 75 moreAssociated Documents - September 10, 2026•Document ID: 11037260Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5801F
- Date Added:
- September 10, 2026
- Manufacturer:
- GMC
SummaryThis preliminary information communicates diagnostic tips for air leveling suspension system.
Associated Products (34)2026 Chevrolet Suburban2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Suburban2023 Chevrolet Tahoe+ 14 moreAssociated Documents - September 4, 2026•Document ID: 11037253Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP4902W
- Date Added:
- September 10, 2026
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Associated Products (751)2027 Buick Enclave2027 Buick Encore GX2027 Cadillac Escalade IQ2027 Cadillac Escalade IQL2027 Cadillac Lyriq2027 Cadillac Optiq2027 Cadillac Vistiq2027 Chevrolet Blazer2027 Chevrolet Bolt EV2027 Chevrolet Corvette2027 Chevrolet Equinox2027 Chevrolet Trailblazer2027 Chevrolet Traverse2027 GMC Acadia2027 GMC Terrain2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista+ 731 moreAssociated Documents - September 2, 2026•Document ID: 11037256Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6544
- Date Added:
- September 10, 2026
- Manufacturer:
- CADILLAC
SummaryThis preliminary information is to inform technicians and customers that GM is aware of the issue and the vehicle can still be driven. When a repair is available, this PI will be updated.
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- Mfr Comm. #:
- PIT6539
- Date Added:
- September 2, 2026
- Manufacturer:
- CHEVROLET
SummaryThis PI communicates information to inform customer that Engineering is aware of concern where the heated seats are inoperative when interior temp is above 86°F and are working on a repair solution.
Associated Products (6)Associated Documents