2015 GMC Sierra 1500 problems and complaints
Owners have filed 815 complaints with NHTSA about the 2015 GMC Sierra 1500. The most-reported areas: Service Brakes (243), Exterior Lighting (130), Power Train (114).
Key takeaways
- 815 owner complaints on file with NHTSA.
- 29 involve a crash, 10 a fire, 14 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Service Brakes | 243 | 30% |
| Exterior Lighting | 130 | 16% |
| Power Train | 114 | 14% |
| Electrical System | 104 | 13% |
| Steering | 91 | 11% |
| Engine | 87 | 11% |
| Unknown Or Other | 72 | 9% |
| Air Bags | 43 | 5% |
| Structure | 32 | 4% |
| Visibility/Wiper | 21 | 3% |
| Suspension | 19 | 2% |
| Seat Belts | 16 | 2% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2015 GMC Sierra 1500 PU/EC RWD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2015 GMC Sierra 1500 PU/RC RWD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2015 GMC Sierra 1500 PU/RC 4WD | 5/5 | 5/5 | 5/5 | 4/5 |
| 2015 GMC Sierra 1500 PU/EC 4WD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Steering,power Train,electrical System - filed 2026-09-10
Power steering seems to be lost for a second or two at low speeds turning. Happens multiple times a day.
Steering,electrical System - filed 2026-08-31
My 2015 GMC Sierra 1500 recently started having all the symptoms under GM internal recall number 18289. I lose my power steering briefly and the electronics turn off momentarily. I lose dash, AC, radio and GPS. It comes back on within a second or two and only does this during low speed turning. I ran my VIN but it ...
Structure - filed 2026-08-21
See attached document for complaint.
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More for the 2015 GMC Sierra 1500
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.