2007 Chevrolet Trailblazer exterior lighting problems
151 owner complaints filed with NHTSA name the exterior lighting on the 2007 Chevrolet Trailblazer — 21% of all complaints for this model year.
What owners report
“The contact owns a 2007 Chevrolet Trailblazer. The contact stated while driving 55 MPH at nighttime, the low-beam headlights started flickering, and then became inoperable. The vehicle decelerated and veered to the side of the road. The contact engaged the high-beam headlights and continued…”
filed May 13, 2024
“Keeps blowing #46 headlight relay. Happens every 2-3 weeks. When this happens the low beams stop working. I have to switch to high beams to continue driving.”
filed Jun 10, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- In the affected vehicles, the headlamp driver module (HDM) may overheat and fail, causing…Campaign 15V519000 · Aug 14, 2015
Exterior Lighting problems in other Trailblazer years
| Year | Reports | Share |
|---|---|---|
| 2025 Trailblazer | 1 | 5% |
| 2024 Trailblazer | 1 | 3% |
| 2021 Trailblazer | 1 | 1% |
| 2009 Trailblazer | 13 | 48% |
| 2008 Trailblazer | 17 | 9% |
| 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 2007 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.