GMC Hummer EV Pickup Service Bulletins (2023)
642 manufacturer communications on file.
- May 14, 2025•Document ID: 11018488Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6602B
- Date Added:
- May 20, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
Associated Products (22)2025 Chevrolet Corvette2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Sierra2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe+ 2 moreAssociated Documents - May 9, 2025•Document ID: 11023266Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- PIE0836
- Date Added:
- September 23, 2025
- Manufacturer:
- CADILLAC
SummaryThis engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp (MIL) illuminated on the Driver Information Center (DIC) and/or a no-start condition following a recent vehicle update.
Associated Products (20)2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV PickupAssociated Documents - May 8, 2025•Document ID: 11023051Service Bulletin/Repair InstructionsFORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
- Mfr Comm. #:
- 25-NA-118
- Date Added:
- September 10, 2025
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking (AEB) issues.
Associated Products (257)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 BrightDrop2026 Chevrolet Colorado+ 237 moreAssociated Documents - May 8, 2025•Document ID: 11018437Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6367A
- Date Added:
- May 19, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
Associated Products (25)2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 Chevrolet Corvette2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Silverado2022 Chevrolet Suburban+ 5 moreAssociated Documents - May 6, 2025•Document ID: 11018430Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6215B
- Date Added:
- May 19, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.
Associated Products (28)2026 Cadillac Vistiq2026 Chevrolet Equinox2026 GMC Terrain2025 Cadillac Escalade2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Cadillac XT42024 Chevrolet Blazer2024 Chevrolet Equinox+ 8 moreAssociated Documents - May 6, 2025•Document ID: 11018429Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6369A
- Date Added:
- May 19, 2025
- Manufacturer:
- BUICK
SummaryThis Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
Associated Products (44)2025 Chevrolet Corvette2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2024 BrightDrop Zevo2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Yukon2024 GMC Yukon XL2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Corvette+ 24 moreAssociated Documents - May 6, 2025•Document ID: 11017910Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N252503100
- Date Added:
- May 6, 2025
- Manufacturer:
- GMC
SummaryOn certain vehicles listed above, the 12V Battery Negative Cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to inspect and ensure that the High Voltage Service Lockout Harness has the Emergency Cut Loop label installed and the 12V Battery Negative Cable does not have the Emergency Cut Loop label installed.
Associated Products (9)Associated Documents - May 6, 2025•Document ID: 11017908Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N242451390-03
- Date Added:
- May 6, 2025
- Manufacturer:
- GMC
SummaryOn certain vehicles listed above, the 12V Battery Negative Cable was erroneously labeled with a First Responder Emergency Cut Loop label. Dealers are to inspect and ensure that the High Voltage Service Lockout Harness has the Emergency Cut Loop label installed and the 12V Battery Negative Cable does not have the Emergency Cut Loop label installed.
Associated Products (9)Associated Documents - May 5, 2025•Document ID: 11018426Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6129B
- Date Added:
- May 19, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates a program has been released to fix DTCs U2BF2, U2BF3, and/or U2BF6.
Associated Products (6)Associated Documents - May 3, 2025•Document ID: 11023058Service Bulletin/Repair InstructionsSTRUCTURE:BODY; ELECTRICAL SYSTEM
- Mfr Comm. #:
- PIE0834
- Date Added:
- September 10, 2025
- Manufacturer:
- GMC
SummaryThis engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the hood will not latch, open and/or gets stuck, hood ajar message displayed on driver information center (DIC), DTCs P257D, P257E, P257F, B1C80, B1C81, B1C85, B1C89, B1C8C, B1C8D, B1CB5 , B1CBF set.
Associated Products (10)Associated Documents - May 2, 2025•Document ID: 11020260Service Bulletin/Repair InstructionsSTRUCTURE:BODY
- Mfr Comm. #:
- 24-NA-029
- Date Added:
- July 7, 2025
- Manufacturer:
- GMC
SummaryThis informational bulletin provides information on HUMMER EV Water Leak Diagnostic Tips.
Associated Products (4)Associated Documents - May 1, 2025•Document ID: 11017374Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N232427510-01
- Date Added:
- May 1, 2025
- Manufacturer:
- CADILLAC
SummaryCertain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Powertrain Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
Associated Products (48)2024 Buick Envision2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Cadillac Lyriq2024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Traverse2024 GMC Acadia2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac CT42023 Cadillac CT5+ 28 moreAssociated Documents - April 29, 2025•Document ID: 11019755Service Bulletin/Repair InstructionsAIR BAGS; ELECTRICAL SYSTEM; SEATS
- Mfr Comm. #:
- 25-NA-101
- Date Added:
- June 26, 2025
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
Associated Products (43)2025 Cadillac Escalade2025 Chevrolet Colorado2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Canyon2025 GMC Hummer EV Pickup2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Colorado2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Canyon2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon+ 23 moreAssociated Documents - April 29, 2025•Document ID: 11017332Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N232427510
- Date Added:
- April 29, 2025
- Manufacturer:
- CADILLAC
SummaryCertain 2018-2024 model year vehicles are receiving a software enhancement for SuperCruise. Dealers will update the Engine Control Module, Hybrid Powertrain Control Module 2 (HPCM2) or Drive Motor Control Module.
Associated Products (49)2025 Chevrolet Silverado2024 Buick Envision2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Cadillac Lyriq2024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Traverse2024 GMC Acadia2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac CT4+ 29 moreAssociated Documents - April 28, 2025•Document ID: 11017780Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6056A
- Date Added:
- May 5, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates how to erase a DTC that is falsely setting due to a software concern with the Image Processing Module
Associated Products (40)2025 Cadillac CT52024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Sierra2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup+ 20 moreAssociated Documents - April 25, 2025•Document ID: 11019624Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 24-NA-143
- Date Added:
- June 18, 2025
- Manufacturer:
- GMC
SummaryThis service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
Associated Products (23)2026 Cadillac Lyriq2026 Cadillac Vistiq2025 Cadillac Celestiq2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 GMC Hummer EV Pickup2025 GMC Sierra2024 BrightDrop Zevo2024 Cadillac Lyriq2024 Chevrolet Blazer2024 Chevrolet Equinox2024 Chevrolet Silverado2024 GMC Hummer EV Pickup2024 GMC Sierra2023 BrightDrop Zevo+ 3 moreAssociated Documents - April 24, 2025•Document ID: 11019545Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 22-NA-242
- Date Added:
- June 16, 2025
- Manufacturer:
- CHEVROLET
SummaryThis warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
Associated Products (146)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 BrightDrop2026 Chevrolet Colorado+ 126 moreAssociated Documents - April 23, 2025•Document ID: 11019548Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 24-NA-113
- Date Added:
- June 16, 2025
- Manufacturer:
- GMC
SummaryThis service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
Associated Products (34)2026 Cadillac Lyriq2026 Cadillac Vistiq2026 Chevrolet Equinox2026 GMC Terrain2025 Cadillac Celestiq2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Equinox2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Sierra2025 GMC Yukon2025 GMC Yukon XL+ 14 moreAssociated Documents - April 18, 2025•Document ID: 11017315Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6144G
- Date Added:
- April 29, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates A diagnostic tip from root causing DTC: C1197 SYM 92 caused by a pinched air inlet hose to the suspension compressor air leveling system or internal software concern
Associated Products (32)2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Yukon2024 GMC Yukon XL2023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2023 GMC Yukon XL+ 12 moreAssociated Documents - April 18, 2025•Document ID: 11017314Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6369
- Date Added:
- April 29, 2025
- Manufacturer:
- BUICK
SummaryThis Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
Associated Products (45)2025 Cadillac CT42025 Chevrolet Corvette2025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2024 BrightDrop Zevo2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Yukon2024 GMC Yukon XL2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV+ 25 moreAssociated Documents