2015 GMC Sierra 1500 Electrical System Problems
Owners have filed 96 complaints with NHTSA about electrical system problems on the 2015 GMC Sierra 1500, 13% of all complaints for this model year. Half of the reports with a mileage happened before 46,000 miles. The words owners use most often: “rear window” (10% of reports).
- 96electrical system complaints
- 46,000median miles at failure
- 1mention a crash
- 0mention an injury
- 0related recalls
- 29%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Rear window: mentioned in 10 of 96 complaints (10%)
At what mileage do electrical system problems happen?
Based on 53 complaints that reported the odometer reading.
How serious are the reports?
Of 96 complaints, 1 mention a crash, 6 a fire.
GMC Sierra 1500 electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Sierra 1500 | 17 | 12% | 4,300 |
| 2025 Sierra 1500 | 25 | 21% | 25,319 |
| 2024 Sierra 1500 | 42 | 11% | 19,170 |
| 2023 Sierra 1500 | 64 | 13% | 23,250 |
| 2022 Sierra 1500 | 83 | 14% | 51,000 |
| 2021 Sierra 1500 | 75 | 13% | 31,150 |
| 2020 Sierra 1500 | 81 | 17% | 5,100 |
| 2019 Sierra 1500 | 95 | 15% | 7,997 |
| 2018 Sierra 1500 | 43 | 14% | 36,000 |
| 2017 Sierra 1500 | 54 | 15% | 53,000 |
| 2016 Sierra 1500 | 54 | 16% | 66,000 |
| 2015 Sierra 1500 | 96 | 13% | 46,000 |
| 2014 Sierra 1500 | 129 | 17% | 63,200 |
| 2013 Sierra 1500 | 6 | 5% | 55,500 |
| 2012 Sierra 1500 | 8 | 7% | 141,000 |
| 2011 Sierra 1500 | 17 | 6% | 124,000 |
| 2010 Sierra 1500 | 10 | 6% | 100,993 |
| 2009 Sierra 1500 | 20 | 9% | 65,000 |
| 2008 Sierra 1500 | 31 | 8% | 57,880 |
| 2007 Sierra 1500 | 22 | 8% | 43,000 |
| 2006 Sierra 1500 | 20 | 14% | 86,000 |
| 2005 Sierra 1500 | 67 | 38% | 70,000 |
| 2004 Sierra 1500 | 81 | 38% | 51,804 |
| 2003 Sierra 1500 | 43 | 24% | 72,151 |
| 2002 Sierra 1500 | 3 | 2% | 252,000 |
| 2001 Sierra 1500 | 7 | 5% | 62,000 |
| 2000 Sierra 1500 | 5 | 3% | 143,500 |
| 1999 Sierra 1500 | 8 | 5% | 90,000 |
| 1998 Sierra 1500 | 3 | 5% | 57,000 |
| 1997 Sierra 1500 | 2 | 2% | 191,065 |
| 1996 Sierra 1500 | 1 | 20% | 140,000 |
When owners reported it
Related recalls (0)
No safety recall lists electrical system for the 2015 GMC Sierra 1500. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
Power steering seems to be lost for a second or two at low speeds turning. Happens multiple times a day.
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…
From time to time since I got the vehicle, the lights flicker inside and out. I've had the alternator changed but it continues. Then when pressing the lock button on the key fob the horn sounds as if it has a shortage. Sometimes its loud and sometimes it's barely heard.
Frequently asked questions
Do all 2015 GMC Sierra 1500s have electrical system problems?
No. NHTSA has 96 owner complaints about electrical system for the 2015 GMC Sierra 1500 (13% of the 719 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2015 GMC Sierra 1500 electrical system?
No recall currently lists electrical system for this vehicle.
At what mileage do electrical system problems start?
The median reported mileage is 46,000 miles: half of the reports with a mileage came before that.
What do owners say about electrical system problems on the 2015 GMC Sierra 1500?
The most frequent phrase is “rear window”, in 10 of 96 complaints.
Other 2015 GMC Sierra 1500 problems
- Service Brakes problems (219)
- Power Train problems (98)
- Exterior Lighting problems (93)
- Engine problems (84)
- Steering problems (81)
See all 2015 GMC Sierra 1500 problems or electrical system problems across all Sierra 1500 years.