The issue in question affects the proper operation of the front passenger airbag, putting occupants at risk.

The problem traces back to a production glitch at components supplier Yazaki North America. In the summer of 2025, an automatic press at the supplier’s plant went offline, which led to errors in manufacturing the harnesses that secure the wiring. Because of these defects, the components stopped ensuring dependable deployment of the passive safety system during collisions. It’s a stark reminder of how a single weak link in the supply chain can ripple into a broader safety concern.

All Hummer EV owners covered by the recall will receive an official notice from the manufacturer. After the letter arrives, customers can visit an authorized GMC dealership, where technicians will replace the faulty harnesses with corrected parts at no cost. The remedy is straightforward—a workshop swap worth scheduling promptly.