2023 Gmc Hummer Ev Pickup problems, complaints & recalls
Most-reported problem areas: Power Train (1)
Safety recalls (2)
Seat Belts:front:anchorage 2023-11-22 · campaign 23V786000 · 115 vehicles
Defect: 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.
Fix: 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.
Electrical System:propulsion System:traction Battery 2022-10-13 · campaign 22V771000 · 797 vehicles
Defect: 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.
Fix: 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.
Service bulletins (642)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2026-10-26 · N262565450 · Service Campaign
customer satisfaction program. certain vehicles listed above may have a condition in which remanufactured high voltage battery packs were built using modules that were ineligible for reuse and require a second replacement. dealers will replace the high voltage battery.
Unknown Or Other 2026-10-07 · PIT6557 · Service Bulletin/Repair Instructions
this preliminary information communicates how to resolve a issue where a vehicle is not receiving ota updates
Unknown Or Other 2026-10-05 · PIT6477D · Service Bulletin/Repair Instructions
this preliminary pi was created to advise techniians in the field that they will not be able to perform a gds automated bleed with the scan tool dues to a issue with the software in the scan tool
Electrical System 2026-10-05 · N252514001 · Service Campaign
service update. certain vehicles listed above may enable the new king crab feature through ota programming or programming at the dealer. dealers will perform a comprehensive software update. owners who have accepted applicable terms and conditions will have the opportunity to accept these software
Unknown Or Other 2026-09-28 · PIT6457C · Service Bulletin/Repair Instructions
this preliminary information is for technicians that may see dtcs that are history and should not perform any part replacements. they should follow the notes mentioned prior to anything being replaced.
Unknown Or Other 2026-09-28 · PIC6540K · Service Bulletin/Repair Instructions
this preliminary information communicates to dealers a procedure to reset the radio.
Showing the 6 most recent of 642 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-05-06 · Power Train“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…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.