2003 Chevrolet Silverado 2500 electrical system problems
86 owner complaints filed with NHTSA name the electrical system on the 2003 Chevrolet Silverado 2500 — 19% of all complaints for this model year.
What owners report
“Been having problems slowly with the battery running out because something is still running in the vehicle but everything is off. The gas gauge gear control lighting on the panel door on the passenger side will not lock speedometer is not working gas gauge is not working was checked by a mechanic…”
filed Jun 3, 2019
“Instrument cluster panel of all gauges including speedometer and gear selection ' gauges can quit working with no warning , leaving the driver unaware of speed or distance traveled. Also not knowing what position the gear selector is in . ( park, neutral , drive etc. ) could allow the vehicle to…”
filed Apr 16, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
23-NA-001 · Service Bulletin/Repair Instructions · issued Mar 28, 2025Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to…
General Communication · Service Campaign · issued Aug 26, 2024
Electrical System problems in other Silverado 2500 years
| Year | Reports | Share |
|---|---|---|
| 2025 Silverado 2500 | 7 | 32% |
| 2024 Silverado 2500 | 53 | 38% |
| 2023 Silverado 2500 | 15 | 34% |
| 2022 Silverado 2500 | 27 | 30% |
| 2021 Silverado 2500 | 17 | 20% |
| 2020 Silverado 2500 | 15 | 15% |
| 2019 Silverado 2500 | 18 | 25% |
| 2018 Silverado 2500 | 13 | 25% |
| 2017 Silverado 2500 | 15 | 28% |
| 2016 Silverado 2500 | 18 | 15% |
| 2015 Silverado 2500 | 57 | 33% |
| 2014 Silverado 2500 | 6 | 15% |
Other reported problem areas on the 2003 Chevrolet Silverado 2500
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.