2015 GMC Yukon XL Electrical System Problems
Owners have filed 58 complaints with NHTSA about electrical system problems on the 2015 GMC Yukon XL, 19% of all complaints for this model year. Half of the reports with a mileage happened before 70,000 miles. The words owners use most often: “trailer brake” (9% of reports).
- 58electrical system complaints
- 70,000median miles at failure
- 0mention a crash
- 1mention an injury
- 0related recalls
- 38%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.
- Trailer brake: mentioned in 5 of 58 complaints (9%)
At what mileage do electrical system problems happen?
Based on 36 complaints that reported the odometer reading.
How serious are the reports?
Of 58 complaints, 2 a fire, 1 an injury.
GMC Yukon XL electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Yukon XL | 6 | 16% | — |
| 2025 Yukon XL | 6 | 21% | — |
| 2024 Yukon XL | 12 | 17% | — |
| 2023 Yukon XL | 35 | 16% | 39,000 |
| 2022 Yukon XL | 20 | 12% | — |
| 2021 Yukon XL | 13 | 6% | 55,000 |
| 2020 Yukon XL | 2 | 4% | 11,000 |
| 2019 Yukon XL | 6 | 9% | 135,000 |
| 2018 Yukon XL | 5 | 9% | — |
| 2017 Yukon XL | 31 | 21% | 36,000 |
| 2016 Yukon XL | 30 | 15% | 53,750 |
| 2015 Yukon XL | 58 | 19% | 70,000 |
| 2014 Yukon XL | 1 | 9% | 120,079 |
| 2012 Yukon XL | 3 | 23% | 108,800 |
| 2011 Yukon XL | 2 | 4% | 95,000 |
| 2009 Yukon XL | 1 | 4% | 136,000 |
| 2008 Yukon XL | 11 | 16% | 73,713 |
| 2007 Yukon XL | 4 | 4% | 153,000 |
| 2006 Yukon XL | 1 | 6% | — |
| 2005 Yukon XL | 13 | 31% | 60,000 |
| 2004 Yukon XL | 30 | 34% | 47,000 |
| 2003 Yukon XL | 38 | 37% | 79,591 |
| 2002 Yukon XL | 4 | 4% | 23,000 |
| 2001 Yukon XL | 6 | 5% | 62,000 |
| 2000 Yukon XL | 2 | 3% | — |
When owners reported it
Related recalls (0)
No safety recall lists electrical system for the 2015 GMC Yukon XL. 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.
Defective wire harness between 2 body control modules, causing alarm to go off repeatedly "Service Trailer Brake System" and also "Stabilitrack" will come on randomly and lock my brakes up and all of the features in my dash. This has been very scary to drive and has brought the vehicle close to…
I keep getting a warning on my display on dash about my trailer brake system is not working. Also my temperature gauge stops working and I have to take off negative cable on battery to reset it. Temperature control sensor has been replaced but the problem still continues to happen.
Trailer service alert
Frequently asked questions
Do all 2015 GMC Yukon XLs have electrical system problems?
No. NHTSA has 58 owner complaints about electrical system for the 2015 GMC Yukon XL (19% of the 308 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 Yukon XL electrical system?
No recall currently lists electrical system for this vehicle.
At what mileage do electrical system problems start?
The median reported mileage is 70,000 miles: half of the reports with a mileage came before that.
What do owners say about electrical system problems on the 2015 GMC Yukon XL?
The most frequent phrase is “trailer brake”, in 5 of 58 complaints.
Other 2015 GMC Yukon XL problems
See all 2015 GMC Yukon XL problems or electrical system problems across all Yukon XL years.