Service bulletins for the 2023 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.
641 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Software are shown. Show all
| 20-NA-132 | 2024-04-05. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements. |
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| PIT6055B | 2024-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates to the field on how to clear the Service Drivers Assist message with new software that is now available. |
| PIT6044D | 2023-12-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes. |
| N23-240448 | 2023-08-24. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. (There may be future updates under this same release number.) Your GMC Hummer EV keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: •A variety of other minor software updates to make your driving and in-vehicle experience better. Better Never Stops™ |
| PIT6005 | 2023-05-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates of a software concern that General Motors is working on a fix for |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.