2015 GMC Sierra 1500 exterior lighting problems
93 owner complaints filed with NHTSA name the exterior lighting on the 2015 GMC Sierra 1500 — 13% of all complaints for this model year.
What owners report
“Headlights on this vehicle, since purchased, have not cast enough light in order to see in unlit backroads, or extrememly dim areas. I have to drive with my brights on constantly, in order to get enough light thrown onto the road, for the left and right sides, as well as the front. These were not…”
filed Aug 13, 2025
“Lack of illumination of headlights straight ahead. No light shines to the sides of the vehicle making it difficult to see left or right when negotiating a turn at night. I have put new bulbs in both sides the best money can buy at CarQuest with no improvement. The headlight lenses are not dirty or…”
filed Feb 24, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Exterior Lighting problems in other Sierra 1500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Sierra 1500 | 2 | 2% |
| 2024 Sierra 1500 | 14 | 4% |
| 2023 Sierra 1500 | 10 | 2% |
| 2022 Sierra 1500 | 1 | 0% |
| 2021 Sierra 1500 | 2 | 0% |
| 2020 Sierra 1500 | 3 | 1% |
| 2019 Sierra 1500 | 11 | 2% |
| 2018 Sierra 1500 | 3 | 1% |
| 2017 Sierra 1500 | 9 | 3% |
| 2016 Sierra 1500 | 4 | 1% |
| 2014 Sierra 1500 | 148 | 20% |
| 2013 Sierra 1500 | 3 | 3% |
Other reported problem areas on the 2015 GMC Sierra 1500
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.