2005 Chevrolet Silverado 2500 electrical system problems
98 owner complaints filed with NHTSA name the electrical system on the 2005 Chevrolet Silverado 2500 — 36% of all complaints for this model year.
What owners report
“Odometer Fraud. The contact purchased a 2005 Chevrolet Silverado 2500. The contact stated that it was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the mileage was 122,000. After obtaining a Carfax report, it was discovered that the…”
filed Jan 6, 2026
“While driving the vehicle in town on a city street at approximately 35 mph, with the ac on and the blower in the high position, the blower started turning off intermittently. A smell of burning plastic was noted and the blower completely shut down. The compressor for the ac continued to cycle on…”
filed Jul 7, 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, 2025
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 2005 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.