2025 GMC Sierra 3500 Electrical system Problems
- Complaints
- 3about this part
- Share
- 18%of 17 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 3 complaints about the electrical system of the 2025 GMC Sierra 3500, 18% of the 17 complaints for this model year.
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.
“weekly you will start the truck and have no audio of any kind. No blinker noises no collision warning noises, no radio, no on star noise. No sound at all and sound will never come back on until you turn truck off and wait 20 mins. GMC says it's a known software issue, but this has been going on since I bought the truck brand new back is April of 2025. I live in a hands free while driving state when it's come to cell phone use and can't even take a call with no audio of any kind. I don't see how GMC can say this isn't a safety issue.”
NHTSA complaint #11699761, filed 2025-11“Intermittent loss of trailer brake function. While traveling and towing a RV trailer with electric brakes, receive a dashboard alert that trailer brakes have been disconnected. This has occurred since vehicle was new. Trailer brake system has been inspected and trailer is not the issue. Took truck to GMC dealer. They are well aware of common issue with GMC owners. GMC issued a safety bulletin 6+ months ago to dealers to replace the integrated trailer brake controller (RPO code JL1). Per reports that has not solved the issue. My truck did not fall into that safety bulletin. …”
NHTSA complaint #11625297, filed 2024-11Related service bulletins
- 11023368May 17, 2025This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
- 11024486May 16, 2025This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
- 11024501May 13, 2025This service bulletin provides information on the radio software related issues to update the radio to the latest software version Y177.
- 11022874May 10, 2025This service bulletin provides information and the condition correction on the "Service Steering Column Lock" message and/or those who are unable to move the steering wheel after…
- 11024500May 9, 2025This service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag malfunction indicator illuminated.
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 1 | 20% |
| 2025 | 3 | 18% |
| 2024 | 16 | 31% |
| 2023 | 4 | 14% |
| 2022 | 7 | 22% |
| 2021 | 4 | 20% |
| 2020 | 9 | 18% |
| 2019 | 3 | 23% |
| 2018 | 2 | 14% |
| 2017 | 3 | 23% |
| 2016 | 2 | 11% |
| 2015 | 6 | 19% |
| 2014 | 1 | 14% |
| 2013 | 1 | 7% |
| 2012 | 2 | 22% |
| 2011 | 2 | 10% |
| 2009 | 1 | 20% |
| 2008 | 1 | 4% |
| 2007 | 2 | 13% |
| 2005 | 3 | 13% |
| 2004 | 5 | 21% |
| 2003 | 1 | 14% |
| 2001 | 1 | 3% |
| 2000 | 1 | 4% |
| 1999 | 1 | 5% |
| 1998 | 1 | 8% |
Other parts of the 2025 GMC Sierra 3500
5 complaintsEngine
2 complaintsForward collision avoidance
2 complaintsOther or unknown
2 complaintsBody and structure
2 complaintsTires
2 complaintsEngine cooling
1 complaintsEquipment
1 complaintsExterior lighting
1 complaintsLane departure
1 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2025 GMC Sierra 3500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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