Chevrolet Avalanche 1500 electrical system problems by year
225 NHTSA owner complaints name the electrical system across 10 Avalanche 1500 model years. The most reported year is 2003 with 84 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2013 Avalanche 1500 | 2 | 7% | — | |
| 2011 Avalanche 1500 | 4 | 14% | — | |
| 2009 Avalanche 1500 | 2 | 10% | — | |
| 2008 Avalanche 1500 | 7 | 19% | — | |
| 2007 Avalanche 1500 | 11 | 10% | — | |
| 2006 Avalanche 1500 | 4 | 10% | — | |
| 2005 Avalanche 1500 | 47 | 36% | 59,823 mi | |
| 2004 Avalanche 1500 | 53 | 37% | 72,000 mi | |
| 2003 Avalanche 1500 | 84 | 46% | 85,000 mi | |
| 2002 Avalanche 1500 | 11 | 7% | 115,500 mi |
Share is the fraction of that year’s complaints naming the electrical system. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.