2004 Chevrolet Trailblazer EXT

○ Not enough data
2004 Chevrolet Trailblazer EXT
BUILT 2026-10-10

Not enough comparison years on file yet 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.

Complaints
261
Recalls
1

Campaigns on file for 2004

Investigations
3

Opened by NHTSA

Top problem
Electrical system

56% of complaints

Complaints per year

2002: 100 complaints 2002 2003: 313 complaints 2003 2004: 261 complaints 2004 261 2006: 189 complaints 2006
2002: 100 complaints 2002 2003: 313 complaints 2003 2004: 261 complaints 2004 261 2006: 189 complaints 2006
2002: 100 complaints 2002 2003: 313 complaints 2003 2004: 261 complaints 2004 261 2006: 189 complaints 2006

2004: 261 complaints

View as data table
YearComplaints
2002100
2003313
2004261
2006189

Known problem areas

Percentages can add to more than 100% — a complaint can name more than one system.

Electrical system

56% · 147 reports

Most commonly citing instrument cluster/panel.

CRASHFIREINJURY

Fuel system, gasoline

11% · 29 reports

Most commonly citing fuel pump and tank assembly.

Power train

7% · 18 reports

Most commonly citing automatic transmission and transfer case (4-wheel drive).

FIRE

Engine and engine cooling

6% · 16 reports

Most commonly citing exhaust system and engine.

FIRE

Exterior lighting

5% · 13 reports

Most commonly citing flasher unit and turn signal.

Safety timeline

1 recall · 3 investigations · oldest first

To check one car, enter its VIN on the NHTSA recall page. Check a VIN →

  1. I
    2004-08-03Engineering analysisClosed 2004-11-04 Brake lamp failure
  2. R
    2004-11-22Exterior lighting04V527000 On certain sport utility vehicles, vibration and heat may cause the tail lamp/stop lamp bulb to loosen in its socket. If this occurs, the bulb may flicker and eventually become inoperative.

    Remedy: Dealers will inspect the tail lamp/stop lamp assemblies, and if necessary, replace them. The recall began on November 22, 2004. Owners should contact Chevrolet at 1-800-630-2438, oldsmobile at…

  3. I
    2007-07-10Engineering analysisClosed 2008-08-28 Fuel pump module leaks gasoline
  4. I
    2017-04-24Recall queryClosed 2021-03-29 Loss of Headlights

Buy-smart checklist

2004 Chevrolet Trailblazer EXT — pre-purchase inspection

Inspect

  • Electrical system: 147 reports on file for this year.
  • Fuel system, gasoline: 29 reports on file for this year.
  • Power train: 18 reports on file for this year.

Verify these recalls were completed

  • Recall 04V527000 · Exterior lighting

FAQ

Is the 2004 Chevrolet Trailblazer EXT 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?
The most-reported component is electrical system, accounting for 56% of complaints on file.
How many recalls does the 2004 Chevrolet Trailblazer EXT have?
1 recall on file for this model year.

Data updated 2026-10-09 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.