2015 GMC Sierra 1500 Power Train Problems
Owners have filed 98 complaints with NHTSA about power train problems on the 2015 GMC Sierra 1500, 14% of all complaints for this model year. Half of the reports with a mileage happened before 33,000 miles. The words owners use most often: “torque converter” (8% of reports).
- 98power train complaints
- 33,000median miles at failure
- 0mention a crash
- 0mention an injury
- 0related recalls
- 30%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.
- Torque converter: mentioned in 8 of 98 complaints (8%)
At what mileage do power train problems happen?
Based on 53 complaints that reported the odometer reading.
How serious are the reports?
None of the 98 complaints report a crash, fire or injury.
GMC Sierra 1500 power train complaints by model year
| Model year | Power Train complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Sierra 1500 | 34 | 24% | 2,000 |
| 2025 Sierra 1500 | 26 | 22% | 17,000 |
| 2024 Sierra 1500 | 72 | 20% | 24,000 |
| 2023 Sierra 1500 | 91 | 19% | 44,115 |
| 2022 Sierra 1500 | 111 | 19% | 36,000 |
| 2021 Sierra 1500 | 142 | 24% | 64,438 |
| 2020 Sierra 1500 | 98 | 20% | 75,200 |
| 2019 Sierra 1500 | 139 | 21% | 30,525 |
| 2018 Sierra 1500 | 131 | 43% | 29,781 |
| 2017 Sierra 1500 | 118 | 33% | 29,500 |
| 2016 Sierra 1500 | 84 | 24% | 45,117 |
| 2015 Sierra 1500 | 98 | 14% | 33,000 |
| 2014 Sierra 1500 | 69 | 9% | 70,000 |
| 2013 Sierra 1500 | 3 | 3% | 111,155 |
| 2012 Sierra 1500 | 6 | 6% | 44,000 |
| 2011 Sierra 1500 | 24 | 8% | 32,000 |
| 2010 Sierra 1500 | 4 | 2% | 114,250 |
| 2009 Sierra 1500 | 9 | 4% | 69,630 |
| 2008 Sierra 1500 | 6 | 2% | 96,000 |
| 2007 Sierra 1500 | 6 | 2% | 25,499 |
| 2006 Sierra 1500 | 13 | 9% | 37,184 |
| 2005 Sierra 1500 | 11 | 6% | 60,000 |
| 2004 Sierra 1500 | 8 | 4% | 38,800 |
| 2003 Sierra 1500 | 6 | 3% | 32,150 |
| 2002 Sierra 1500 | 5 | 3% | 76,287 |
| 2001 Sierra 1500 | 3 | 2% | 160,500 |
| 2000 Sierra 1500 | 9 | 5% | 137,900 |
| 1999 Sierra 1500 | 2 | 1% | 90,000 |
| 1998 Sierra 1500 | 7 | 12% | 81,000 |
| 1997 Sierra 1500 | 8 | 10% | 55,000 |
When owners reported it
Related recalls (0)
No safety recall lists power train 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.
The transmission Started Shuddering, it would slip occasionally and slipped badly when i was driving in rush hour traffic in the middle of a left turn. had no power for several seconds then it finally reengaged. The shuddering got worse and worse to the point i took it to a transmission shop to…
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 SLE has the 6L80 transmission. While traveling on the interstate with my fiancé, the transmission failed. It was towed to a garage and they informed me that it needed to be replaced.
Frequently asked questions
Do all 2015 GMC Sierra 1500s have power train problems?
No. NHTSA has 98 owner complaints about power train for the 2015 GMC Sierra 1500 (14% 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 power train?
No recall currently lists power train for this vehicle.
At what mileage do power train problems start?
The median reported mileage is 33,000 miles: half of the reports with a mileage came before that.
What do owners say about power train problems on the 2015 GMC Sierra 1500?
The most frequent phrase is “torque converter”, in 8 of 98 complaints.
Other 2015 GMC Sierra 1500 problems
See all 2015 GMC Sierra 1500 problems or power train problems across all Sierra 1500 years.