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.
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Only bulletins with component: High-voltage battery are shown. Show all
| PIT5857 | 2022-01-24. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY. This Preliminary information communicates that the High Voltage Voltage Battery pack is not on TAC Exchange. For Engineering Review. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.