2003 GMC Sierra electrical system problems
31 owner complaints filed with NHTSA name the electrical system on the 2003 GMC Sierra — 15% of all complaints for this model year.
What owners report
“Tl* the contact owns a 2003 gmc sierra. The contact stated that all the gauges on the instrumental panel failed. The vehicle was taken to a dealer who diagnosed that the panel cluster failed. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure…”
filed Dec 9, 2014
“2003 gmc sierra. Consumer writes in regards to a speedometer failure. *tgw the consumer stated she was driving 55 mph. However, the speedometer showed 100 mph. It went on for a couple of days and then went back to normal. The next day, the speedometer was acting erratic again. The consumer took the…”
filed Oct 16, 2014
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Sierra years
| Year | Reports | Share |
|---|---|---|
| 2017 Sierra | 6 | 10% |
| 2015 Sierra | 1 | 2% |
| 2014 Sierra | 9 | 9% |
| 2013 Sierra | 5 | 13% |
| 2012 Sierra | 7 | 24% |
| 2011 Sierra | 3 | 7% |
| 2010 Sierra | 4 | 12% |
| 2009 Sierra | 9 | 24% |
| 2008 Sierra | 15 | 22% |
| 2007 Sierra | 7 | 12% |
| 2006 Sierra | 7 | 13% |
| 2005 Sierra | 23 | 20% |
Other reported problem areas on the 2003 GMC Sierra
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.