2009 Chevrolet Trailblazer exterior lighting problems
13 owner complaints filed with NHTSA name the exterior lighting on the 2009 Chevrolet Trailblazer — 48% of all complaints for this model year.
What owners report
“My first complaint is that headlights, low beam, would not work. Only high beams worked. The issue stopped, unexplainable, on its own, has not occurred again. The 2nd complaint is the radio volume would 'slip' as if there were a loose wire to the speakers, and loss of sound became more frequent and…”
filed Jun 28, 2026
“Tl* the contact owns a 2009 chevrolet trailblazer. The contact stated that the headlights and daytime running lights failed to operate. The contact had to use the high beam headlights to drive. There were no warning indicators illuminated. The local dealer was not contacted. The vehicle was not…”
filed Sep 24, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Exterior Lighting problems in other Trailblazer years
| Year | Reports | Share |
|---|---|---|
| 2025 Trailblazer | 1 | 5% |
| 2024 Trailblazer | 1 | 3% |
| 2021 Trailblazer | 1 | 1% |
| 2008 Trailblazer | 17 | 9% |
| 2007 Trailblazer | 151 | 21% |
| 2006 Trailblazer | 112 | 10% |
| 2005 Trailblazer | 140 | 10% |
| 2004 Trailblazer | 101 | 9% |
| 2003 Trailblazer | 77 | 9% |
| 2002 Trailblazer | 143 | 12% |
| 2001 Trailblazer | 3 | 15% |
| 2000 Trailblazer | 1 | 4% |
Other reported problem areas on the 2009 Chevrolet Trailblazer
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.