Campaign 22V-771Remedy pending

High voltage battery pack enclosure may not be properly sealed, allowing water to enter the pack

Defect summary

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.

Consequence

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.

Source: NHTSA ODI recalls file, campaign 22V771000. Text as published by NHTSA.

Vehicles covered

2 product lines are covered

Owner complaints filed with NHTSA about electrical system on these vehicles: 3, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 22V-771
Make	Model	Model years	Complaints on this component
Brightdrop	EV600	2022	0
GMC	Hummer EV Pickup	2022 to 2023	3

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

40 service bulletins on this component came first

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

26V-612 Sep 24, 2026
When closed using the key fob's express-up function, the front windows may fail to detect an obstruction and reverse direction
26V-494 Jul 30, 2026
High voltage battery may have an improperly secured internal module component
25V-483 Jul 24, 2025
Bolts attaching the high voltage battery to the interior floor may be missing or loose
25V-356 May 29, 2025
Driver video display may go blank while driving
24V-937 Dec 18, 2024
Pedestrian alert sound system may not produce sound at a sufficient volume
24V-925 Dec 12, 2024
Pedestrian alert sound system may have incorrect software and not produce sound at a sufficient volume