2020 Chevrolet Silverado 1500 electrical system problems
101 owner complaints filed with NHTSA name the electrical system on the 2020 Chevrolet Silverado 1500 — 15% of all complaints for this model year.
What owners report
“The Electronic Parking Brake System on my 2020 Chevy Silverado 1500 continuously malfunctions. Chevy/ GM Customer Support has been made aware of this issue and continues to disregard it entirely. The Electronic Parking Brake, which is an automatic function that cannot be turned off or bypassed…”
filed Jul 20, 2026
“I have a Trial Boss and it wont shut off when the key is off, KEEPS RUNNING. Did some research and it gave a couple of thing to check.”
filed Jul 3, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Battery positive (B+) cable rings may have been manufactured with excessive glue…Campaign 19V888000 · Dec 12, 2019
Electrical System problems in other Silverado 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Silverado 1500 | 11 | 17% |
| 2025 Silverado 1500 | 23 | 27% |
| 2024 Silverado 1500 | 36 | 13% |
| 2023 Silverado 1500 | 60 | 17% |
| 2022 Silverado 1500 | 127 | 22% |
| 2021 Silverado 1500 | 106 | 14% |
| 2019 Silverado 1500 | 185 | 18% |
| 2018 Silverado 1500 | 99 | 19% |
| 2017 Silverado 1500 | 123 | 17% |
| 2016 Silverado 1500 | 119 | 15% |
| 2015 Silverado 1500 | 162 | 15% |
| 2014 Silverado 1500 | 340 | 24% |
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.