1999 Chevrolet Silverado 1500 electrical system problems
25 owner complaints filed with NHTSA name the electrical system on the 1999 Chevrolet Silverado 1500 — 4% of all complaints for this model year.
What owners report
“Passlock system engages without cause. When starting my truck, it acts like it will and then shuts down after a second, and then the security light comes on. This is common with past lock system errors. This happens about 1 out of 4 starts. To get the car started, I have to go through a reset…”
filed Aug 2, 2018
“Tl* the contact owns a 1999 chevrolet silverado 1500 (gmt800). While the vehicle was stationary, an abnormal odor was detected inside the cabin. The contact attempted to open the hood, but the latch failed to release the hood. Also, flames were seen underneath the hood. The contact believed the…”
filed Jun 22, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
PIT3665M · Service Bulletin/Repair Instructions · issued May 19, 2023
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% |
| 2020 Silverado 1500 | 101 | 15% |
| 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% |
Other reported problem areas on the 1999 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.