GMC Hummer EV Pickup, Sierra EV: Electrical system — propulsion system

Affects GMC Hummer EV Pickup, Sierra EV · 2024 — about 10 vehicles.

The hazard

A loss of drive power increases the risk of a crash.

What to do

Dealers will replace the rear drive unit, free of charge. Owner notification letters were mailed May 16, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; Hummer customer service at 1-800-732-5493; or GMC customer service at 1-800-462-8782. GM's number for this recall is N242447080.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational