2003 Chevrolet Silverado electrical system problems
116 owner complaints filed with NHTSA name the electrical system on the 2003 Chevrolet Silverado — 17% of all complaints for this model year.
What owners report
“Brake lines, gas line, transmission fluid lines all rusted/corroded beginning at under 50,000 miles. * had near accidents as the brake lines blew while driving on a highway and was decelerating in an attempt to come to a stop..pedal went to the floor, I continued on (foot off the gas) until the…”
filed Feb 17, 2016
“While driving, the heater blower stopped working and I smelled burning plastic or insulation. I pulled over and figured out it was coming from under the dash. Logically I pulled the bottom cover off from below the blower assy.(former mechanic). Smell was coming from plug harness and relay. Melted…”
filed Jan 4, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Silverado years
| Year | Reports | Share |
|---|---|---|
| 2017 Silverado | 10 | 8% |
| 2015 Silverado | 9 | 12% |
| 2014 Silverado | 20 | 16% |
| 2013 Silverado | 6 | 9% |
| 2012 Silverado | 4 | 6% |
| 2011 Silverado | 5 | 7% |
| 2010 Silverado | 8 | 13% |
| 2009 Silverado | 17 | 22% |
| 2008 Silverado | 48 | 30% |
| 2007 Silverado | 38 | 21% |
| 2006 Silverado | 14 | 8% |
| 2005 Silverado | 64 | 20% |
Other reported problem areas on the 2003 Chevrolet Silverado
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.