2020 Chevrolet Silverado 1500 exterior lighting problems
12 owner complaints filed with NHTSA name the exterior lighting on the 2020 Chevrolet Silverado 1500 — 2% of all complaints for this model year.
What owners report
“Body to frame ground cables corroded in half two different times within about 6 months. First time engine wouldn’t start had to have it towed to dealer for repair, over 30 codes were shown when this happened. Next incident some of my lights were working intermittently and my steering was rendered…”
filed Sep 8, 2026
“When a trailer is connected while parked and vehicle is off, trailer lights flicker, blink and sometimes remain on. Sometimes these events will set off alarm also draining battery down.”
filed Jun 9, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Exterior Lighting problems in other Silverado 1500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Silverado 1500 | 1 | 1% |
| 2024 Silverado 1500 | 1 | 0% |
| 2023 Silverado 1500 | 12 | 3% |
| 2022 Silverado 1500 | 4 | 1% |
| 2021 Silverado 1500 | 6 | 1% |
| 2019 Silverado 1500 | 16 | 1% |
| 2018 Silverado 1500 | 7 | 1% |
| 2017 Silverado 1500 | 16 | 2% |
| 2016 Silverado 1500 | 16 | 2% |
| 2015 Silverado 1500 | 28 | 3% |
| 2014 Silverado 1500 | 40 | 3% |
| 2013 Silverado 1500 | 2 | 1% |
Other reported problem areas on the 2020 Chevrolet Silverado 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.