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Gmc Hummer ev suv Electrical Problems

3 owner complaints filed with NHTSA across 2 model years.

Complaints by Year

Worst year: 2024. Best year: 2025.

Owner Reports

A representative sample of complaints filed with NHTSA.

Electrical · 2024 2

The vehicle was no longer able to charge, and therefore could be stranded. Yes, the vehicle is currently back at the dealership and available for inspection. Without ability to charge, the vehicle could shutdown and not be able to resta...

Electrical · 2025 1

The contact owns a 2025 GMC Hummer EV. The contact stated that while the vehicle was stationary, the brake pedal was depressed, and several unknown warning lights illuminated. The contact stated that while the vehicle was idling for seve...

Electrical · 2024 1

Super cruise does not work. It may turn on at random for a minute or 2 and then it shuts off with zero warning and the vehicle almost comes to a complete stop. This is a huge safety concern. I took it to the dealership and they told me t...

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