Complaints by model year
Each bar is one model year. Highlighted: 2005. The most recent years are still collecting complaints.
NHTSA ODI complaints (public domain) · updated 23 Oct 2026
Year by year
| Model year | Complaints | Recalls |
|---|---|---|
| 2006 Trailblazer EXT 370 | 16 | 0 |
| 2005 Trailblazer EXT 370Most complaints | 237 | 0 |
| 2004 Trailblazer EXT 370 | 15 | 0 |
| 2003 Trailblazer EXT 370 | 14 | 0 |
| 2002 Trailblazer EXT 370 | 6 | 0 |
A model year gets its own page when it has enough data for at least three sections
Most common problems
- Electrical system120
- Fuel system, gasoline72
- Exterior lighting24
- Fuel/propulsion system19
- Fuel system, other16
- Engine and engine cooling13
- Visibility12
- Vehicle speed control8
NHTSA ODI complaints, all model years