2008 Chevrolet Trailblazer electrical system problems
65 owner complaints filed with NHTSA name the electrical system on the 2008 Chevrolet Trailblazer — 34% of all complaints for this model year.
What owners report
“The contact owns a 2008 Chevrolet Trailblazer. The contact stated that while parked in her driveway, the passenger side door caught fire without warning. The fire occurred overnight and in the morning, the contact and her boyfriend discovered both her passenger side door and front passenger seat…”
filed Jun 21, 2022
“Rear hatch license plate lamps blowing out, flickering also hatch lock clicks repeatedly, without touching electric lock buttons. When opening the hatch the license lights go on/off on/off. The hatch lock clicks repeatedly. The hatch wire harness covered with a 'rubber boot/sleeve', when moved…”
filed Sep 15, 2020
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
Electrical System problems in other Trailblazer years
| Year | Reports | Share |
|---|---|---|
| 2025 Trailblazer | 13 | 62% |
| 2024 Trailblazer | 11 | 33% |
| 2023 Trailblazer | 15 | 22% |
| 2022 Trailblazer | 30 | 28% |
| 2021 Trailblazer | 41 | 21% |
| 2009 Trailblazer | 9 | 33% |
| 2007 Trailblazer | 200 | 27% |
| 2006 Trailblazer | 251 | 23% |
| 2005 Trailblazer | 617 | 42% |
| 2004 Trailblazer | 627 | 58% |
| 2003 Trailblazer | 285 | 32% |
| 2002 Trailblazer | 181 | 16% |
Other reported problem areas on the 2008 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.