2012 Chevrolet Silverado 1500 electrical system problems
21 owner complaints filed with NHTSA name the electrical system on the 2012 Chevrolet Silverado 1500 — 10% of all complaints for this model year.
What owners report
“Odometer Fraud. The contact owns a 2012 Chevrolet Silverado 1500. While the vehicle was being registered with the Department of Motor Vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of the purchase, the mileage was approximately 141,000…”
filed Feb 9, 2026
“I got the code p2138 and I’ve had it inspected and throttle body and accelerator pedal assembly replaced. The problem is still not fixed. I lost power driving to work and heavy vibration and shaking. If I pull out in a turn and someone is coming up fast and this happens again it reduces my engine…”
filed Jul 14, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Silverado 1500 years
| Year | Reports | Share |
|---|---|---|
| 2026 Silverado 1500 | 16 | 17% |
| 2025 Silverado 1500 | 24 | 24% |
| 2024 Silverado 1500 | 41 | 13% |
| 2023 Silverado 1500 | 61 | 16% |
| 2022 Silverado 1500 | 134 | 22% |
| 2021 Silverado 1500 | 111 | 14% |
| 2020 Silverado 1500 | 113 | 16% |
| 2019 Silverado 1500 | 188 | 17% |
| 2018 Silverado 1500 | 101 | 20% |
| 2017 Silverado 1500 | 123 | 17% |
| 2016 Silverado 1500 | 119 | 15% |
| 2015 Silverado 1500 | 163 | 15% |
Other reported problem areas on the 2012 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.