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GMC Hummer EV Pickup Recall 22V771: Battery Seal May Leak, Causing Sudden Power Loss

NHTSA campaign 22V771, reported October 13, 2022, 797 vehicles potentially affected.

What this recall means for you

The high-voltage traction battery pack in these electric vehicles may not be properly sealed, so water can get into the pack. Water buildup in the battery can cause a loss of drive power, which raises the risk of a crash.

Owner notification letters were mailed April 13, 2023. The remedy is still being developed, and a second letter will be sent once it is available. In the meantime, you can contact EV Concierge at 1-833-HUMMER-EV, or BrightDrop Service Operations and Support at 1-888-987-4377. Check your VIN for open recalls to confirm whether your vehicle is affected.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 22V771General Motors, LLC
Component
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
Problem
General Motors, LLC (GM) is recalling certain 2022 BrightDrop EV600 and 2022-2023 GMC Hummer EV Pickup electric vehicles. The high voltage battery pack enclosure may not be properly sealed, allowing water to enter the pack.
Risk
Water accumulation in the high voltage battery pack can cause a loss of drive power, increasing the risk of a crash.
Remedy
The remedy is currently under development. Owner notification letters were mailed April 13, 2023. Second letters will be sent once the remedy is available. Owners may contact EV Concierge at 1-833-HUMMER-EV, and BrightDrop Service Operations and Support at 1-888-987-4377. GM's number for this recall is N222380031.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Brightdrop EV6002022
GMC Hummer EV Pickup20222023