GMC Hummer EV Pickup Service Bulletins
905 manufacturer communications on file.
- June 30, 2025•Document ID: 11019983Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6404
- Date Added:
- July 1, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary Information communicates the DTC's setting in the SDGM are false, steps to resolve and not to replace the module.
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- Mfr Comm. #:
- PIT5832V
- Date Added:
- June 30, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
Associated Products (83)2026 Buick Enclave2026 Buick Envision2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Chevrolet Colorado2026 Chevrolet Equinox2026 Chevrolet Tahoe2026 GMC Hummer EV Pickup2026 GMC Terrain2026 GMC Yukon2026 GMC Yukon XL2025 Buick Enclave2025 Buick Envision2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade+ 63 moreAssociated Documents - June 23, 2025•Document ID: 11019920Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- N25-249834 (652.40)
- Date Added:
- July 1, 2025
- Manufacturer:
- GMC
SummarySoftware Update for your 25MY GMC Hummer EV •Fixes for audio system performance. •Improvements to connectivity for Bluetooth. •Fixes to help ensure successful software updates and notifications. •Fixes to address instances of inactive driver display. •Improvements to functionality for USB and steering wheel controls. •Improvements to leveling corrections. •Improvements to the performance of Super Cruise. •Improvements to the opening power of the rear power gate. •Fixes to address antilock braking system responsiveness. •Improvements to the performance of One-Pedal Driving. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
Associated Products (1)Associated Documents - June 20, 2025•Document ID: 11019831Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6602D
- Date Added:
- June 30, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
Associated Products (18)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 Pickup2023 GMC Yukon2023 GMC Yukon XL2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup2022 GMC Yukon2022 GMC Yukon XLAssociated Documents - June 20, 2025•Document ID: 11019670Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N252494770-01
- Date Added:
- June 20, 2025
- Manufacturer:
- CHEVROLET
SummaryAmendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the affected vehicles will be mailed an owner’s manual and warranty insert containing this information in English and Spanish.
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- Mfr Comm. #:
- PIT6401
- Date Added:
- June 30, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates a diagnostic tip on how to resolve a issue of the horn sounding when vehicle doors are being closed and the key in vehicle reminder set to off.
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- Mfr Comm. #:
- PIC6086J
- Date Added:
- June 30, 2025
- Manufacturer:
- GMC
SummaryThis PI communicates a procedure to clean oil leaking from the rain sensor.
Associated Products (62)2026 GMC Terrain2025 Buick Encore GX2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac XT52025 Cadillac XT62025 Chevrolet Tahoe2025 GMC Hummer EV Pickup2025 GMC Terrain2025 GMC Yukon2025 GMC Yukon XL2024 Buick Encore GX2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Cadillac Lyriq+ 42 moreAssociated Documents - June 17, 2025•Document ID: 11019838Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP6072
- Date Added:
- June 30, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary Information communicates possible conditions they may encounter during HVAC flushing procedures on some vehicles due to adapter compatibility concerns that should be resolved soon.
Associated Products (11)Associated Documents - June 17, 2025•Document ID: 11019591Service CampaignUNKNOWN OR OTHER
- Mfr Comm. #:
- N252494770
- Date Added:
- June 17, 2025
- Manufacturer:
- GMC
SummaryAmendments to the Song-Beverly Act (SBA) California warranty law provides vehicle owners with an opportunity to submit a written notice to GM before filing a lawsuit seeking a vehicle repurchase. If such a notice is not provided to GM, then the vehicle owner is prevented from seeking civil penalties in litigation. Vehicle owners of the applicable vehicles will be mailed an owner’s manual and warranty insert containing this information in English and Spanish.
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- Mfr Comm. #:
- PIT6180A
- Date Added:
- June 29, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
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- Mfr Comm. #:
- PIP4902S
- Date Added:
- June 24, 2025
- Manufacturer:
- CADILLAC
SummaryThis preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
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- Mfr Comm. #:
- 25-NA-156
- Date Added:
- December 4, 2025
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information on Tire Sidewall Irregularities.
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- Mfr Comm. #:
- N252502390
- Date Added:
- June 2, 2025
- Manufacturer:
- GMC
SummaryService Update. Certain vehicles listed above may require software updates that improve the customer experience and optimize future over-the-air updates. Dealers will perform a comprehensive software update.
Associated Products (3)Associated Documents - May 30, 2025•Document ID: 11019075Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5074R
- Date Added:
- June 4, 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.
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- Mfr Comm. #:
- PIT5074R
- Date Added:
- June 4, 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.
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- Mfr Comm. #:
- PIT5074R
- Date Added:
- June 4, 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.
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- Mfr Comm. #:
- PIT5074R
- Date Added:
- June 4, 2025
- Manufacturer:
- CHEVROLET
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.
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- Mfr Comm. #:
- PIC6602C
- Date Added:
- June 4, 2025
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
Associated Products (15)Associated Documents - May 27, 2025•Document ID: 11019071Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIP5981F
- Date Added:
- June 4, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
Associated Products (10)Associated Documents - May 22, 2025•Document ID: 11018659Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5966E
- Date Added:
- May 29, 2025
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
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