Chevrolet Trailblazer Service Bulletins (2026)
97 manufacturer communications on file.
- November 20, 2025•Document ID: 11025755Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5214G
- Date Added:
- November 28, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer complaint, contact General Motors Technical Assistance Center for further support. For any vehicles that remains unrepaired after being at the dealer for three days or more and a related bulletin or PI is not found, contact General Motors Technical Assistance Center for further support.
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 - November 20, 2025•Document ID: 11025751Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6611C
- Date Added:
- November 28, 2025
- Manufacturer:
- CHEVROLET
SummaryPI provides information on how to obtain a restricted radio
Associated Products (12)Associated Documents - 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 - October 28, 2025•Document ID: 11024759Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6036C
- Date Added:
- November 3, 2025
- Manufacturer:
- BUICK
SummaryThis Preliminary information communicates diagnostic aids for a surge or fishbite concern
Associated Products (18)2026 Buick Encore GX2026 Chevrolet Equinox2026 Chevrolet Trailblazer2026 GMC Terrain2025 Buick Encore GX2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Trailblazer2025 GMC Terrain2024 Buick Encore GX2024 Chevrolet Malibu2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet TrailblazerAssociated Documents - October 27, 2025•Document ID: 11024755Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP5975B
- Date Added:
- November 3, 2025
- Manufacturer:
- BUICK
SummaryThis PI advises to get a session log for transmissions with broken chains
Associated Products (21)2026 Buick Encore GX2026 Chevrolet Equinox2026 Chevrolet Trailblazer2026 GMC Terrain2025 Buick Encore GX2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Trailblazer2025 GMC Terrain2024 Buick Encore GX2024 Chevrolet Malibu2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Malibu+ 1 moreAssociated 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: 11024456Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP5929F
- Date Added:
- October 24, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
Associated Products (18)2026 Buick Encore GX2026 Buick Envista2026 Chevrolet Trailblazer2026 Chevrolet Trax2025 Buick Encore GX2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet TrailblazerAssociated 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 9, 2025•Document ID: 11024459Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP5929E
- Date Added:
- October 24, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to the dealers diagnostic tips related to MIL on with P219A.
Associated Products (18)2026 Buick Encore GX2026 Buick Envista2026 Chevrolet Trailblazer2026 Chevrolet Trax2025 Buick Encore GX2025 Buick Envista2025 Chevrolet Trailblazer2025 Chevrolet Trax2024 Buick Encore GX2024 Buick Envista2024 Chevrolet Trailblazer2024 Chevrolet Trax2023 Buick Encore GX2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet TrailblazerAssociated 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 - September 9, 2025•Document ID: 11023091OtherUNKNOWN OR OTHER
- Mfr Comm. #:
- 13598
- Date Added:
- September 10, 2025
- Manufacturer:
- CHEVROLET
SummaryNew Vehicle Monitoring Programs Section in IVH
Associated Products (208)2026 Buick Enclave2026 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 Colorado2026 Chevrolet Equinox+ 188 moreAssociated Documents - August 14, 2025•Document ID: 11022084Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP4902T
- Date Added:
- August 22, 2025
- Manufacturer:
- CADILLAC
SummaryThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Associated Products (207)2026 Buick Enclave2026 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 Colorado2026 Chevrolet Equinox+ 187 moreAssociated Documents - August 8, 2025•Document ID: 11022068Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6059C
- Date Added:
- August 22, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates an issue with super cruise unavailable due to the driver's monitoring camera and dealers to replace the camera.
Associated Products (172)2026 Buick Enclave2026 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 Colorado2026 Chevrolet Equinox+ 152 moreAssociated Documents - August 7, 2025•Document ID: 11021792Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC5650M
- Date Added:
- August 12, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, B3935, C0750, C0755, C0760, C0765, and/or C0775.
Associated Products (207)2026 Buick Enclave2026 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 Colorado2026 Chevrolet Equinox+ 187 moreAssociated Documents - August 4, 2025•Document ID: 11022063Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6031C
- Date Added:
- August 22, 2025
- Manufacturer:
- BUICK
SummaryThis PI addresses leaks from the case half and provides repair direction to dealer technicians
Associated Products (18)2026 Buick Encore GX2026 Chevrolet Equinox2026 Chevrolet Trailblazer2026 GMC Terrain2025 Buick Encore GX2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Trailblazer2025 GMC Terrain2024 Buick Encore GX2024 Chevrolet Malibu2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet TrailblazerAssociated Documents - July 18, 2025•Document ID: 11020809Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP5601B
- Date Added:
- July 23, 2025
- Manufacturer:
- BUICK
SummaryThis PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
Associated Products (207)2026 Buick Enclave2026 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 Colorado2026 Chevrolet Equinox+ 187 moreAssociated Documents - July 17, 2025•Document ID: 11020810Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6031B
- Date Added:
- July 23, 2025
- Manufacturer:
- BUICK
SummaryThis PI addresses leaks from the case half and provides repair direction to dealer technicians
Associated Products (18)2026 Buick Encore GX2026 Chevrolet Equinox2026 Chevrolet Trailblazer2026 GMC Terrain2025 Buick Encore GX2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Trailblazer2025 GMC Terrain2024 Buick Encore GX2024 Chevrolet Malibu2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet TrailblazerAssociated Documents - July 16, 2025•Document ID: 11020811Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5074S
- Date Added:
- July 23, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
Associated Products (66)2026 Buick Enclave2026 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 Colorado2026 Chevrolet Equinox+ 46 moreAssociated Documents - June 19, 2025•Document ID: 11019836Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6032B
- Date Added:
- June 30, 2025
- Manufacturer:
- BUICK
SummaryPIP6032B provides diagnostic direction for dealers when encountering transmission leaks
Associated Products (21)2026 Buick Encore GX2026 Chevrolet Equinox2026 Chevrolet Trailblazer2026 GMC Terrain2025 Buick Encore GX2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Trailblazer2025 GMC Terrain2024 Buick Encore GX2024 Chevrolet Malibu2024 Chevrolet Trailblazer2023 Buick Encore GX2023 Chevrolet Malibu2023 Chevrolet Trailblazer2022 Buick Encore GX2022 Chevrolet Malibu2022 Chevrolet Trailblazer2021 Buick Encore GX2021 Chevrolet Malibu+ 1 moreAssociated Documents