2003 Chevrolet Avalanche electrical system problems
42 owner complaints filed with NHTSA name the electrical system on the 2003 Chevrolet Avalanche — 21% of all complaints for this model year.
What owners report
“Tl* the contact owns a 2003 chevrolet avalanche. While driving approximately 65 mph, the instrument panel failed. In addition, the driver side headlight failed. The failure recurred numerous times. The vehicle was taken to an independent mechanic where it was diagnosed that the instrument panel…”
filed Feb 19, 2016
“It started with the airbag light, but nobody will own up to fixing it, as we moved from pa to fl. Then the brake lines went, all of them, now with the airbag issue the pcm is sending all kinds of stupid codes like the airbag issue is affecting the whole electrical system in the truck. *tr”
filed Jan 27, 2015
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Avalanche years
| Year | Reports | Share |
|---|---|---|
| 2013 Avalanche | 4 | 5% |
| 2012 Avalanche | 1 | 3% |
| 2011 Avalanche | 4 | 3% |
| 2010 Avalanche | 8 | 7% |
| 2009 Avalanche | 4 | 5% |
| 2008 Avalanche | 21 | 8% |
| 2007 Avalanche | 24 | 6% |
| 2005 Avalanche | 21 | 30% |
| 2004 Avalanche | 60 | 36% |
| 2002 Avalanche | 17 | 4% |
Other reported problem areas on the 2003 Chevrolet Avalanche
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.