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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

Only bulletins with component: Hybrid and electric drive are shown. Show all

Bulletins, newest first
PIT59042022-05-16. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ONBOARD; ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ACCESSORY. This Preliminary information communicates an issue with the Charger stations/cord that can cause these codes to set, and that engineering is working on a software fix, to help with the Charger port Temp Codes. P0D9A, P298C, & P0E5F
PIT58572022-01-24. 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.

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