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Service bulletins for the 2022 GMC Hummer EV Pickup

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

731 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIC6602D2025-06-30. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6180A2025-06-29. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates assistance in locating the Rear seat belt comfort guides in the parts catalog.
25-NA-1012025-06-26. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM; SEATS. This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
PIP4902S2025-06-24. Service bulletin. UNKNOWN OR OTHER. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
N252494770-012025-06-20. Service campaign. UNKNOWN OR OTHER. Amendments 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.
24-NA-1432025-06-18. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information for dealers/technicians on Software Updates on Ultium Vehicles.
N2524947702025-06-17. Service campaign. UNKNOWN OR OTHER. Amendments 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.
24-NA-1132025-06-16. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on Vehicle Wide Programming Instructions.
PI0281L2025-06-12. Service bulletin. STEERING; POWER TRAIN; SUSPENSION. This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
23-NA-2022025-06-07. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This 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.
PIT5074R2025-06-04. Service bulletin. UNKNOWN OR OTHER. This 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.
PIT5074R2025-06-04. Service bulletin. UNKNOWN OR OTHER. This 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.
PIT5074R2025-06-04. Service bulletin. UNKNOWN OR OTHER. This 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.
PIP5981F2025-06-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates ordering process for the front and rear drive units are on restriction for all listed EV vehicles for engineering review.
PIC6602C2025-06-04. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
24-NA-2292025-06-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
N2525023902025-06-02. Service campaign. ENGINE. Service 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.
PIT5966E2025-05-29. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
PIC6602B2025-05-20. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.
PIT6367A2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to the technicians that this audio concern is a software issue and to not replace any parts at this time.
PIT6369A2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.
PIT6129B2025-05-19. Service bulletin. UNKNOWN OR OTHER. This Preliminary information communicates a program has been released to fix DTCs U2BF2, U2BF3, and/or U2BF6.
N232427510-022025-05-15. Service campaign. UNKNOWN OR OTHER. Certain 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.
N2525031002025-05-06. Service campaign. UNKNOWN OR OTHER. On 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.
N242451390-032025-05-06. Service campaign. UNKNOWN OR OTHER. On 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.