2018 Chevrolet Silverado 1500 electrical system problems
102 owner complaints filed with NHTSA name the electrical system on the 2018 Chevrolet Silverado 1500 — 20% of all complaints for this model year.
What owners report
“Intermittent issues seemingly related to power or ground problems. At idle, battery voltage drops down from 14-15v to <= 12v (as indicated on the voltmeter on the dash) while turning the steering wheel. "Service StabiliTrack" message shows up on the screen, and the steering becomes very difficult…”
filed Sep 18, 2026
“Several times, while driving, the truck will simply shut down. It will becoime difficult to steer, then the engine will stall, killing the rest of the steering and the breaks as well as the dashboard, radio, etc. This can happen at any speed, low speed especially. I will give you an approximate…”
filed Sep 12, 2026
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 | 18 | 18% |
| 2025 Silverado 1500 | 24 | 24% |
| 2024 Silverado 1500 | 41 | 13% |
| 2023 Silverado 1500 | 62 | 17% |
| 2022 Silverado 1500 | 136 | 22% |
| 2021 Silverado 1500 | 112 | 14% |
| 2020 Silverado 1500 | 113 | 16% |
| 2019 Silverado 1500 | 188 | 17% |
| 2017 Silverado 1500 | 123 | 17% |
| 2016 Silverado 1500 | 119 | 15% |
| 2015 Silverado 1500 | 163 | 15% |
| 2014 Silverado 1500 | 341 | 24% |
Other reported problem areas on the 2018 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.