Gmc Hummer ev pickup Electrical Problems
3 owner complaints filed with NHTSA across 1 model years.
Complaints by Year
Worst year: 2022. Best year: 2022.
Owner Reports
A representative sample of complaints filed with NHTSA.
Severe recurring roof water intrusion on 2022 GMC HUMMER EV; repeated failed repairs; interior rust/corrosion; safety concerns in high‑voltage EV. Vehicle: 2022 GMC HUMMER EV Edition 1 VIN: [XXX] Current mileage: ~12,000 miles ...
Same situation occurred twice. I was in the car at a red light. Car had been stopped for about a minute. Was on a slight decline, engine brake was engaged to hold car in position. Car was stationary completely. Suddenly tons of warn...
Visibility / Defogging / Defrosting issues are main safety concerns. Every winter for the last 3 years, the heater fails and blows only cold air. This is intermittent throughout the year, but recurring. With cold-weather driving condi...