2008 Chevrolet Trailblazer Electrical System Problems
Owners have filed 65 complaints with NHTSA about electrical system problems on the 2008 Chevrolet Trailblazer, 34% of all complaints for this model year. Half of the reports with a mileage happened before 76,000 miles. The words owners use most often: “ignition switch” (17% of reports).
- 65electrical system complaints
- 76,000median miles at failure
- 0mention a crash
- 1mention an injury
- 0related recalls
- 46%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Ignition switch: mentioned in 11 of 65 complaints (17%)
- Side window: mentioned in 5 of 65 complaints (8%)
At what mileage do electrical system problems happen?
Based on 59 complaints that reported the odometer reading.
How serious are the reports?
Of 65 complaints, 11 a fire, 1 an injury.
Chevrolet Trailblazer electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Trailblazer | 4 | 36% | 20,000 |
| 2025 Trailblazer | 14 | 56% | 36,800 |
| 2024 Trailblazer | 11 | 33% | — |
| 2023 Trailblazer | 16 | 23% | 49,000 |
| 2022 Trailblazer | 31 | 28% | 44,000 |
| 2021 Trailblazer | 41 | 21% | 12,500 |
| 2009 Trailblazer | 9 | 33% | 80,000 |
| 2008 Trailblazer | 65 | 34% | 76,000 |
| 2007 Trailblazer | 200 | 27% | 77,000 |
| 2006 Trailblazer | 251 | 23% | 89,000 |
| 2005 Trailblazer | 617 | 42% | 70,000 |
| 2004 Trailblazer | 627 | 58% | 65,527 |
| 2003 Trailblazer | 285 | 32% | 80,000 |
| 2002 Trailblazer | 181 | 16% | 70,500 |
| 2001 Trailblazer | 2 | 10% | 148,937 |
| 2000 Trailblazer | 1 | 4% | 131,000 |
When owners reported it
Related recalls (0)
No safety recall lists electrical system for the 2008 Chevrolet Trailblazer. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
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…
I was just sitting in a drive thru and my passenger side window just started smoking and now it will not go down.
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…
Frequently asked questions
Do all 2008 Chevrolet Trailblazers have electrical system problems?
No. NHTSA has 65 owner complaints about electrical system for the 2008 Chevrolet Trailblazer (34% of the 193 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2008 Chevrolet Trailblazer electrical system?
No recall currently lists electrical system for this vehicle.
At what mileage do electrical system problems start?
The median reported mileage is 76,000 miles: half of the reports with a mileage came before that.
What do owners say about electrical system problems on the 2008 Chevrolet Trailblazer?
The most frequent phrase is “ignition switch”, in 11 of 65 complaints, followed by “side window” (5).
See all 2008 Chevrolet Trailblazer problems or electrical system problems across all Trailblazer years.