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 PER YEAR
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.
5 of 15 total reports mention: electrical system.
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, 20120606
3 of 15 total reports mention: fuel/propulsion system.
3 of 15 total reports mention: fuel system, gasoline.
1 of 15 total reports mentions: visibility.
1 of 15 total reports mentions: visibility.
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, 20120606
SAFETY TIMELINE
No recalls on file for this model year.
FUEL PUMP MODULE LEAKS GASOLINE
BUY-SMART CHECKLIST
2004 Chevrolet Trailblazer EXT 370 — pre-purchase inspection
- Test/inspect for electrical system issues (5 reports on file for this year).
- Test/inspect for fuel/propulsion system issues (3 reports on file for this year).
- Test/inspect for fuel system, gasoline issues (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 33% 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 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.