🚗 AutoDefect IQ

2026 Gmc Sierra Ev problems, complaints & recalls

Most-reported problem areas: Suspension (2) · Vehicle Speed Control (1) · Service Brakes (1)

🧭 Reliability snapshot

88 /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 →

5
Complaints
4
Recalls
157
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (4)

Electrical System:propulsion System:traction Battery 2026-07-30 · campaign 26V494000 · 11 vehicles

Defect: General Motors, LLC is recalling certain 2026 Cadillac Escalade IQ, Escalade IQL, GMC Sierra EV, Chevrolet Silverado EV, and 2022 GMC Hummer EV Pickup vehicles. The high voltage battery may have an improperly secured internal module component.

Risk: A loose component may move and damage the high voltage battery, increasing the risk of a fire.

Fix: Dealers will replace the high voltage battery, free of charge. Owner notification letters were mailed August 24, 2026. Owners may contact Cadillac customer service at 1-800-333-4223, GMC customer service at 1-800-462-8782, and Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262562600. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on July 30, 2026.

Tires:temporary/Emergency Spare Tire 2026-07-30 · campaign 26V496000 · 952 vehicles

Defect: General Motors, LLC (GM) is recalling certain 2026 Chevrolet Silverado EV and GMC Sierra EV vehicles. A manufacturing defect may result in the steel wheels cracking at the disc vent holes.

Risk: A cracked wheel may lead to disc separation and a loss of control, increasing the risk of a crash.

Fix: Dealers will inspect and replace the wheels as necessary, free of charge. Owner notification letters were mailed September 23, 2026. Owners may contact GMC customer service at 1-800-462-8782 and Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262556920. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on July 30, 2026.

Equipment:other:owners/Service/Other Manual 2026-02-26 · campaign 26V114000 · 5,861 vehicles

Defect: General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cadillac OPTIQ, Chevrolet Colorado, Equinox EV, GMC Canyon, 2026 Buick Enclave, Envision, Cadillac CT5, Escalade, Escalade ESV, Escalade IQ, Escalade IQL, LYRIQ, VISTIQ, Chevrolet Blazer EV, Corvette Convertible, Corvette Coupe, Corvette Convertible E-Ray, Equinox, Silverado 1500, 2500, 3500, Silverado EV, Suburban 1500, Tahoe, Traverse, GMC Acadia, Hummer EV Pickup, Hummer EV SUV, Sierra 1500, 2500, 3500, Sierra EV, Terra

Risk: Without an owner's manual to consult, owners may not know how to safely use and operate the vehicle, increasing the risk of injury in a crash.

Fix: Dealers will reset the vehicle radio, which will facilitate automatic download of the electronic owner’s manual, free of charge. Owner notification letters were mailed April 16, 2026. Owners may contact GM customer service at 1-866-467-9700, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-333-4223. The manufacturer's number for this recall is N252540430. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 26,

Electronic Stability Control (Esc):control Module:software 2025-09-11 · campaign 25V594000 · 1,191 vehicles

Defect: General Motors, LLC (GM) is recalling certain 2026 Chevrolet Silverado EV and GMC Sierra EV electric vehicles. After experiencing an electronic stability control (ESC) system malfunction, the ESC malfunction warning light may not illuminate on the next key cycle. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 126, "Electronic Stability Control Systems."

Risk: An indicator light that does not illuminate may fail to warn the driver of an ESC system issue, increasing the risk of a crash.

Fix: The EBCM software will be updated by a dealer, or through an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed October 15, 2025. Owners may contact Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N252515340.

Service bulletins (157)

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 2026-10-19 · 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 2026-10-08 · Gateway 2026.3 · Over The Air

this update contains a required software change to help improve the overall software update and diagnostics process. be sure to install this update to be able to receive future software updates. during the update process, your radio may stay on up to 5 minutes after you exit the vehicle. this is

Unknown Or Other 2026-10-05 · Assisted Driving 2026.3 · Over The Air

• improved guidance for lane centering assistance in the driver display • system changes to support future improvements

Unknown Or Other 2026-10-05 · 663.40 · Over The Air

• fixes to help ensure start reliability and prevent battery drain • improved charging performance and messages

Showing the 6 most recent of 157 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-09-28 · Electrical System

“truck has airbag service issues since day 1. i’ve taken to the dealership and they can’t find any issues even though the service safety system continues to appear. ac issues and charging issues as well. i’ve attached documentation. …”

2025-12-28 · Vehicle Speed Control

“component/system malfunctioned: adaptive cruise control integrated with traffic sign recognition/speed limit assist (camera-based speed sign detection and automatic speed adjustment). vehicle available for inspection upon request. while driving ~35 mph in 35 mph zones with adaptive cruise control engaged, the system repeatedly misread speed signs (…”

2025-12-08 · Service Brakes

“car rolls after parking brake is set. this happens on low hill grade and high hill grade parking location. …”

2025-11-25 · Suspension · 4,000 mi

“the contact owns a 2026 gmc sierra ev. the contact received notification of nhtsa campaign number: 25v594000 (electronic stability control (esc); however, the part to do the recall repair was unavailable. the contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. the contact stated that while driving ov…”

2025-09-20 · Suspension

“rear right clunk in rear suspension. dealer kept truck for 2 days and can't figure it out. worried it could be a suspension nut or bolt and could cause a crash. …”

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

Other Gmc Sierra Ev years