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
Only bulletins with topic: maintenance are shown. Show all
| 18-NA-125 | 2024-06-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information for engine oil life monitor operation calculation. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.