Chevrolet Suburban 1500 electrical system problems by year
259 NHTSA owner complaints name the electrical system across 13 Suburban 1500 model years. The most reported year is 2004 with 84 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2025 Suburban 1500 | 5 | 19% | — | |
| 2011 Suburban 1500 | 4 | 5% | — | |
| 2009 Suburban 1500 | 6 | 11% | — | |
| 2008 Suburban 1500 | 12 | 12% | 55,000 mi | |
| 2007 Suburban 1500 | 26 | 14% | 51,000 mi | |
| 2006 Suburban 1500 | 7 | 23% | — | |
| 2005 Suburban 1500 | 46 | 49% | 57,250 mi | |
| 2004 Suburban 1500 | 84 | 46% | 78,000 mi | |
| 2003 Suburban 1500 | 60 | 34% | 84,500 mi | |
| 2002 Suburban 1500 | 2 | 2% | — | |
| 2001 Suburban 1500 | 4 | 4% | — | |
| 2000 Suburban 1500 | 1 | 1% | — | |
| 1999 Suburban 1500 | 2 | 3% | — |
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.