GMC Hummer EV Pickup

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1 owner complaint on file with NHTSA
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Official safety data

NHTSA

Complaints 1

Owners have filed 1 complaint with the National Highway Traffic Safety Administration for the 2023 GMC Hummer EV Pickup.

Powertrain 1 Engine 1 Fuel/propulsion system 1

“My 2023 GMC Hummer EV 3X has experienced repeated thermal-protection failures in the high-voltage battery and drive-motor cooling system, causing the vehicle to enter limp mode and drop to as low as 12 mph without warning. Stored fault codes: P0C12, P0C13, P2EE0, P2EE1 (battery and drive-unit…”

NHTSA complaint #11736196 · 2023 model year · Powertrain · May 2026

Source: National Highway Traffic Safety Administration — official recalls and owner-filed complaints, shown as reference data, separate from KnownCars community posts. Had one of these problems yourself? Create a free account and post it.

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