GMC Hummer EV Pickup Service Bulletins
905 manufacturer communications on file.
- May 20, 2025•Document ID: 11018647Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6356B
- Date Added:
- May 29, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the steering wheel and replace the wheel if necessary.
Associated Products (25)2026 Cadillac Celestiq2026 Cadillac Vistiq2025 Buick Enclave2025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Optiq2025 Chevrolet Tahoe2025 Chevrolet Traverse2025 GMC Acadia2025 GMC Hummer EV Pickup2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Traverse2024 GMC Acadia2023 Cadillac Escalade2023 Cadillac Escalade ESV+ 5 moreAssociated Documents - May 17, 2025•Document ID: 11023367Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 22-NA-083
- Date Added:
- September 27, 2025
- Manufacturer:
- CADILLAC
SummaryThis service bulletin provides Requirements for Replacement of the Dual Mode Cord Set Under Warranty.
Associated Products (14)2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Cadillac Lyriq2024 GMC Hummer EV Pickup2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 GMC Hummer EV Pickup2022 Chevrolet Bolt EUV2022 GMC Hummer EV PickupAssociated Documents - May 16, 2025•Document ID: 11023484Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- 23-NA-151
- Date Added:
- October 2, 2025
- Manufacturer:
- GMC
SummaryThis service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
Associated Products (12)Associated Documents - May 15, 2025•Document ID: 11024485Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 23-NA-153
- Date Added:
- October 25, 2025
- Manufacturer:
- GMC
SummaryThe service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
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- Mfr Comm. #:
- PIE0753I
- Date Added:
- September 30, 2025
- Manufacturer:
- CADILLAC
SummaryThis engineering information (EI) will assist GM to recover a small number of electric vehicle battery packs from customer-owned vehicles in the field for further engineering study and analysis.
Associated Products (19)2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Vistiq2025 Cadillac Celestiq2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Cadillac Lyriq2024 GMC Hummer EV Pickup2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 GMC Hummer EV Pickup2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 GMC Hummer EV Pickup2021 Chevrolet Bolt EVAssociated Documents - May 15, 2025•Document ID: 11018323Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N232427510-02
- Date Added:
- May 15, 2025
- Manufacturer:
- GMC
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.
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- Mfr Comm. #:
- 25-NA-044
- Date Added:
- October 27, 2025
- Manufacturer:
- CADILLAC
SummaryThis service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.
Associated Products (14)2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Vistiq2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Cadillac Lyriq2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2023 Cadillac Lyriq2023 GMC Hummer EV Pickup2022 GMC Hummer EV PickupAssociated Documents - May 14, 2025•Document ID: 11024496Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- 24-NA-202
- Date Added:
- October 27, 2025
- Manufacturer:
- CADILLAC
SummaryThis service bulletin provides dealers with Warranty Administration information on North American Charging Standard (NACS) DC Adapter Warranty Claim Information.
Associated Products (18)2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Cadillac Lyriq2024 GMC Hummer EV Pickup2024 GMC Hummer EV SUV2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 GMC Hummer EV Pickup2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 GMC Hummer EV Pickup2021 Chevrolet Bolt EVAssociated Documents - May 14, 2025•Document ID: 11024488Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 24-NA-133
- Date Added:
- October 25, 2025
- Manufacturer:
- GMC
SummaryThis informational bulletin provides information on Wheel Drive Shaft Retention Snap Ring Design Change.
Associated Products (4)Associated Documents - May 14, 2025•Document ID: 11024487Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- 23-NA-202
- Date Added:
- October 25, 2025
- Manufacturer:
- GMC
SummaryThis service bulletin provides information on High Voltage Drive Motor Battery - TAC Approval and Exchange Program for BrightDrop, Chevrolet Silverado EV, and GMC Sierra EV, HUMMER EV/SUV.
Associated Products (7)Associated Documents - May 14, 2025•Document ID: 11023365Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 18-NA-180
- Date Added:
- September 26, 2025
- Manufacturer:
- GMC
SummaryThis Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
Associated Products (21)2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 GMC Hummer EV Pickup2025 GMC Hummer EV SUV2024 Cadillac Lyriq2024 GMC Hummer EV Pickup2023 Cadillac Lyriq2023 Chevrolet Bolt EUV2023 Chevrolet Bolt EV2023 GMC Hummer EV Pickup2022 Chevrolet Bolt EUV2022 Chevrolet Bolt EV2022 GMC Hummer EV Pickup+ 1 moreAssociated Documents - May 14, 2025•Document ID: 11018488Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6602B
- Date Added:
- May 20, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
Associated Products (14)2025 Chevrolet Corvette2025 GMC Hummer EV Pickup2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV PickupAssociated Documents - May 13, 2025•Document ID: 11018481Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6356A
- Date Added:
- May 20, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates A vehicle may be encountered with super cruise inop due to not seeing drivers face clearly. The tech is directed to inspect the Infrared LED's on the steering wheel and replace the wheel if necessary.
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- Mfr Comm. #:
- PIE0836
- Date Added:
- September 23, 2025
- Manufacturer:
- GMC
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 (9)Associated 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:
- GMC
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.
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- 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 (17)2025 GMC Hummer EV Pickup2024 Chevrolet Corvette2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Hummer EV Pickup2024 GMC Yukon2024 GMC Yukon XL2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XLAssociated Documents - May 7, 2025•Document ID: 11018432Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6212C
- Date Added:
- May 19, 2025
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
Associated Products (17)2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Colorado2025 Chevrolet Tahoe2025 GMC Canyon2025 GMC Hummer EV Pickup2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Colorado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Canyon2024 GMC Hummer EV Pickup2024 GMC Yukon2024 GMC Yukon XLAssociated 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.
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- Mfr Comm. #:
- PIT6369A
- Date Added:
- May 19, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
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- Mfr Comm. #:
- PIT6350A
- Date Added:
- May 19, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates, Rear steering module can be recovered with a 12v battery disconnect and SDAC or a VCI number programming event.
Associated Products (1)Associated Documents