GMC Denali electrical system problems by year
9 NHTSA owner complaints name the electrical system across 3 Denali model years. The most reported year is 2003 with 6 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2003 Denali | 6 | 19% | — | |
| 2001 Denali | 2 | 9% | — | |
| 2000 Denali | 1 | 5% | — |
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.