2004 Chevrolet Trailblazer EXT 370
Only 15 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 15 complaints on file — too few for a fair verdict. The data below is complete but unranked.
- Complaints
- 15
- Recalls
- 0
- Investigations
- 1
- Top problem
- —
Too few to rank
None on file
Opened by NHTSA
Not enough data
Complaints per year
2004: 15 complaints
View as data table
| Year | Complaints |
|---|---|
| 2002 | 6 |
| 2003 | 14 |
| 2004 | 15 |
| 2005 | 237 |
| 2006 | 16 |
Known problem areas
Only 15 complaints on file for this model year — too few to rank by share. Raw counts only, below.
Electrical system
6 of 15 total reports mention: electrical system, most commonly citing instrument cluster/panel.
Show complaint excerpts
On about 6 occasions over the past couple weeks my sunroof has opened by itself. On each occasion it has happened after backing up and then putting it in drive.
NHTSA ODI report, 2012-06-06
Also filed under Visibility
My 2004 chevy trailblazer oil, gas and battery gauges have all stopped working. When I turn on my heated seats they smell like they're burning!! I have read 100's of complaints of similar stories with same problems.
NHTSA ODI report, 2010-01-26
Fuel/propulsion system
3 of 15 total reports mention: fuel/propulsion system.
Fuel system, gasoline
3 of 15 total reports mention: fuel system, gasoline.
Visibility
2 of 15 total reports mention: visibility, most commonly citing sun/moon roof assembly.
Service brakes
1 of 15 total reports mentions: service brakes.
Safety timeline
No recalls on file for this model year.
0 recalls · 1 investigation · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
-
I
2007-07-10Engineering analysisClosed 2008-08-28 Fuel pump module leaks gasoline
Buy-smart checklist
2004 Chevrolet Trailblazer EXT 370 — pre-purchase inspection
Inspect
- Electrical system: 6 reports on file for this year.
- Fuel/propulsion system: 3 reports on file for this year.
- Fuel system, gasoline: 3 reports on file for this year.
FAQ
- Is the 2004 Chevrolet Trailblazer EXT 370 reliable?
- There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
- What are the most common problems with the 2004 Chevrolet Trailblazer EXT 370?
- The most-reported component is electrical system, accounting for 40% of complaints on file.
- How many recalls does the 2004 Chevrolet Trailblazer EXT 370 have?
- No recalls are on file for this model year.
Data updated 2026-11-01 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.