GMC Suburban electrical system problems by year
112 NHTSA owner complaints name the electrical system across 9 Suburban model years. The most reported year is 1999 with 23 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 1999 Suburban | 23 | 8% | — | |
| 1998 Suburban | 16 | 16% | — | |
| 1997 Suburban | 21 | 11% | — | |
| 1996 Suburban | 18 | 10% | — | |
| 1995 Suburban | 18 | 8% | — | |
| 1994 Suburban | 11 | 3% | — | |
| 1993 Suburban | 2 | 1% | — | |
| 1992 Suburban | 2 | 3% | — | |
| 1990 Suburban | 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.