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Electrical systemPart report

2023 GMC Sierra 2500 Electrical system Problems

Complaints
6about this part
Share
18%of 33 total for the year
Median mileage
105,000miles
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 6 complaints about the electrical system of the 2023 GMC Sierra 2500, 18% of the 33 complaints for this model year. Where a mileage was given, the median is 105,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact works for a company that owns a 2023 GMC Sierra 2500. The contact stated that the vehicle experienced intermittent electrical failures. While driving, the vehicle stalled upon acceleration, followed by a total loss of electrical power. The vehicle was towed to a dealer for inspection; however, the failure could not be duplicated. The failure mileage was 177,000.”

NHTSA complaint #11770888, filed 2026-10, 177,000 miles

“The contact owns a 2023 GMC Sierra 2500. The contact stated that on several occasions, after the vehicle had been parked for approximately two days, the vehicle failed to start. The vehicle was jump-started and taken to a dealer three times, where it was diagnosed and determined that the battery needed to be replaced. The vehicle was repaired three times, but the failure persisted. The manufacturer was notified of the failure, and a complaint was filed. The failure mileage was 33,000.”

NHTSA complaint #11723343, filed 2026-03, 33,000 miles

“Shift to park message displayed while attempting to shut off engine after shifter was in the park position, accessory would not turn off even after driver door opened and could not leave vehicle.”

NHTSA complaint #11655217, filed 2025-04

“Bought the truck brand new. within a week the service trailer brake warning light came on. has been to the dealership 3 times and they still cant fix it. This affects towing of the trailer with no trailer brakes.”

NHTSA complaint #11516652, filed 2023-04

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2026538%
202514%
20243331%
2023618%
20221227%
2021612%
20201316%
2019928%
2018720%
2017616%
2016915%
20151112%
2014413%
201337%
2012413%
2011914%
2009723%
200835%
200756%
200646%
20054237%
20044834%
20033623%
200211%
200143%
200036%
199926%
199817%

Other parts of the 2023 GMC Sierra 2500

Transmission and drivetrain
20 complaints
Brakes
3 complaints
Engine
3 complaints
Tires
3 complaints
Other or unknown
2 complaints
Back-over prevention (rear camera)
1 complaints
Body and structure
1 complaints
Vehicle speed control
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints
Wheels
1 complaints

← All problems reported for the 2023 GMC Sierra 2500

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology