AutoDefect IQ

2025 Gmc Sierra Ev problems, complaints & recalls

Most-reported problem areas: Visibility/Wiper (3) · Fuel/Propulsion System (2) · Vehicle Speed Control (1)

🧭 Reliability snapshot

89 /100
✓ Typical or better for this model

Compared against other Gmc Sierra Ev model years — complaint volume vs the model's median year, recalls and severity. How we score →

9
Complaints
1
Recalls
377
Service bulletins
1
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (1)

Seat Belts:rear/Other:anchorage 2025-01-16 · campaign 25V015000 · 5 vehicles

Defect: General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado EV and 2024-2025 GMC Sierra EV pickup trucks. The bolt that secures the rear center seat belt assembly to the seat structure may not have been properly tightened.

Risk: An improperly secured seat belt assembly may not restrain an occupant as intended, increasing the risk of injury in a crash.

Fix: GM will tighten the bolt that attaches the center seat belt assembly to the rear seat structure, free of charge. All affected vehicles are still in dealer inventory and, therefore, no owner letters will be mailed. Owners may contact GM customer service at 1-888-988-7267, or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242489901.

Service bulletins (377)

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 2026-10-24 · PIT6368F · Service Bulletin/Repair Instructions

this preliminary information communicates an issue with the virtual garage door opener not programming to a garage opener and to replace the opener with a new updated part.

Unknown Or Other 2026-10-24 · PIP6140 · Service Bulletin/Repair Instructions

vehicles may display a mil or “service high voltage” message, with dtc p061b stored as current or history. the condition may be caused by a software anomaly and may clear after a vehicle sleep cycle. install the lasted program.

Unknown Or Other 2026-10-20 · Energy 2026.3 · Over The Air

• improved reliability for propulsion and acceleration

Unknown Or Other 2026-10-19 · PIT6558 · Service Bulletin/Repair Instructions

squeaking or creaking noise from the rear upper front control arm bushing, over bumps or when turning.

Unknown Or Other 2026-10-16 · Infotainment 2026.3 · Over The Air

• more responsive map controls when switching views • trailer theft alert settings are saved between drives • more reliable access to on-screen controls for temperature, fan speed, and heated seats • improvements that help prevent the center display from freezing or unexpectedly losing audio

Showing the 6 most recent of 377 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-10-28 · Vehicle Speed Control

“repeated failures on my 2025 gmc sierra ev. the truck shows 'service high voltage battery' and the high voltage battery makes a high-pitched hissing noise; it has thrown battery errors twice. the a/c has failed repeatedly; this summer a passenger in the truck overheated and suffered heat stroke because the a/c was not working. super cruise and othe…”

2026-10-02 · Forward Collision Avoidance: Adaptive Cruise Control · 9,800 mi · 💥 crash

“the contact owned a 2025 gmc sierra ev. while the contact’s husband was driving 69 mph, the super cruise control feature became inoperable. the driver dozed off while operating the vehicle, and there was no audible alert to alert the contact. the contact stated that due to the failure, the vehicle traveled through an intersection, crossed over othe…”

2026-08-04 · Visibility/Wiper

“the hvac airflow-direction system failed and no longer correctly controls where the air is directed. even when the windshield defrost setting is not selected, the system continuously sends airflow toward the windshield. this unwanted airflow causes condensation and fogging on the windshield that cannot be turned off or redirected, impairing the dri…”

2026-01-28 · Fuel/Propulsion System

“vehicle electrical propulsion system became inoperable creating a hazard to occupants in a temperature control required climate vehicles visual control showing speed and all other information went completely black while vehicle was in motion. …”

2025-08-02 · Visibility/Wiper

“the passenger side outside rear view mirror does not provide for a clear view on the passenger side of the vehicle. the adjustments on the mirror cannot be set to reduce or eliminate a blind spot on the vehicle. the mirror is not like a normal mirror from other vehicles. i have almost hit several vehicles due to the lack of clear view with the mirr…”

2025-07-01 · Steering

“my 2025 gmc denali ev has experienced repeated safety-critical issues, including severe torque pull under acceleration, making it difficult to maintain safe lane position and compromising steering control. this behavior persists even after inspection and is documented on video. the vehicle has also had repeated service brake assist faults, includi…”

2025-05-14 · Visibility/Wiper

“the passenger rear view mirror is completely flat, not concave like every other mirror we’re used to on a passenger vehicle. this mirror glass is only used on the passenger mirror of the ev trucks for some unknown reason. it is completely unsafe in such a large truck without huge blind spots. because it appears to be zoomed you can completely miss …”

2025-04-15 · Power Train

“failure in the lithium-ion battery system. battery conditioning system failed to manage heating and cooling of the battery system leading to catastrophic system failure. dealership and manufacturer are unable to make repair leaving the vehicle un-operable.…”

2025-01-17 · Fuel/Propulsion System

“battery heating module failed. this resulted in small, hard to distinguish, "service vehicle" icon to appear on the dash with no further information. this warning icon first appeared during a long drive, then went away on its own and eventually came back. this failure would eventually make charging, particularly in cold weather, impossible and p…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Gmc Sierra Ev years