Model-year record
2023 GMC Hummer EV
See the complaints, recalls, crash rating, and fuel economy in the public record. Then check the mileage and history of the car you found.
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Complaints filed
1
Reports to NHTSA, 2023
Safety recalls
2
NHTSA campaigns on record
NHTSA crash test
Not rated
Overall NCAP rating
Combined MPG
No data
EPA estimate
Known issues
Power Train issues account for the largest share of owner complaints (100% of 1 reports).
Share of all 1 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11736196.
Individual complaint reports(1)
Showing the 1 most recent reportsPower TrainMay 2026 · ODI 11736196Details +Close −
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 overheating). A sudden, unannounced drop to 12 mph in a 9,000-lb EV is a serious safety hazard — on highways it creates rear-end collision risk, in intersections it leaves the vehicle stranded in traffic, and on remote roads it can strand the driver with no safe shoulder. Visit 1 (Covert Buick GMC of Bee Cave, TX): 02/09/2026–03/24/2026, 43 days out of service. Repairs: replaced both EV coolant pumps (PN 85605761), replaced Drive Motor Inverter Module 2 (PN 24059125), coolant flush, software update. RO #BUCS138101. GM TAC Case #88689105. Six days after return, on 03/30/2026, the same defect recurred with the same fault codes. Vehicle has now been back at the dealer 38+ additional days with no resolution. GM had pre-sale knowledge of this exact defect on this exact VIN. The vehicle was a GM corporate evaluation unit (factory option code OAR — EVALUATION VEHICLE) operated out of GM Tech Center in Warren, MI. GM took it out of service on 08/07/2025 at 30,169 miles. I took delivery 16 miles later at 30,185 miles. A GM Driver Inspection Form left inside the vehicle at delivery is handwritten with "Limited Speed 12 mph" — the exact limp-mode behavior. GM auctioned the vehicle through CVO Warren Distribution Center without disclosing this condition. I request ODI open a preliminary evaluation of cooling-system thermal-protection failures on 2022–2024 Hummer EV Pickups and SUVs, particularly units with prior corporate/fleet use.
- Reported
- May 2026
- Incident date
- Jan 2026
- Mileage
- Not provided
- Outcome flags
- None reported
Recalls(2)
Open a recall to read what NHTSA says is wrong, what can happen, and how it gets fixed. Check the VIN and remedy eligibility with a dealer; federal no-charge requirements have an age limit, though a manufacturer may offer more coverage.
Electrical System · 22V771000Details +Close −
General Motors, LLC (GM) is recalling certain 2022 BrightDrop EV600 and 2022-2023 GMC Hummer EV Pickup electric vehicles. The high voltage battery pack enclosure may not be properly sealed, allowing water to enter the pack.
Risk: Water accumulation in the high voltage battery pack can cause a loss of drive power, increasing the risk of a crash.
Remedy: The remedy is currently under development. Owner notification letters were mailed April 13, 2023. Second letters will be sent once the remedy is available. Owners may contact EV Concierge at 1-833-HUMMER-EV, and BrightDrop Service Operations and Support at 1-888-987-4377. GM's number for this recall is N222380031.
Open full NHTSA recall record →Seat Belts · 23V786000Details +Close −
General Motors, LLC (GM) is recalling certain 2023-2024 GMC Hummer EV pick up, 2024 GMC Hummer EV SUV, and 2024 Chevrolet Silverado EV vehicles. The left or right front seat belt buckle attachment bolts may not be tightened properly.
Risk: An improperly tightened seat belt buckle may not restrain an occupant as intended, increasing the risk of injury during a crash.
Remedy: Dealers will tighten the left and right front seat belt buckle attachment bolts, free of charge. Owner notification letters were mailed December 21, 2023. Owners may contact GMC customer service at 1-833-EVCHEVY (1-833-382-4389) (TTY 711 / 1-800-833-2438) /1-833-HUMMER-EV (1-833-486-6373) (TTY 711 / 1-800-833-2438). GM's number for this recall is N232419280.
Open full NHTSA recall record →A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.
Investigations
0 NHTSA investigations on record
No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.
Crash-test ratings
No NHTSA crash test is on record for this year. Some vehicles and model years were not tested or do not have a published NCAP result.
Fuel economy by trim
No EPA fuel-economy record is available for this model year. Some trims and older vehicles were not tested or are not in the current EPA feed.
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2023 GMC Hummer EV: frequently asked
What does the complaint record show for the 2023 GMC Hummer EV?
Owners filed 1 NHTSA complaints about the 2023 GMC Hummer EV. This is raw owner-reported complaint volume with no production or exposure normalization, so it is not a reliability score or a best/worst-year ranking.
What are the most common problems on the 2023 GMC Hummer EV?
The most-reported problem area is Power Train (100% of complaints).
How many recalls does the 2023 GMC Hummer EV have?
2 recalls have been issued that affect the 2023 GMC Hummer EV, covering components such as electrical system. Check the VIN with NHTSA and ask a dealer to confirm remedy eligibility; federal no-charge requirements have an age limit, though manufacturers may offer more coverage.
What gas mileage does the 2023 GMC Hummer EV get?
EPA fuel-economy figures for the 2023 GMC Hummer EV aren't available yet.