2003 Chevrolet Trailblazer EXT

○ Not enough data
2003 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
313
Recalls
3

Campaigns on file for 2003

Investigations
6

Opened by NHTSA

Top problem
Fuel system, gasoline

27% of complaints

Complaints per year

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

2003: 313 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.

Fuel system, gasoline

27% · 86 reports

Most commonly citing tank assembly and filler pipe and cap.

Electrical system

25% · 79 reports

Most commonly citing instrument cluster/panel and ignition.

CRASHFIRE
Show complaint excerpts

One by one things have been going out and not working. First the car would not start all the time with the key, then the a/c stoped working, next was the fuel pump, then the injectors. I checked everything it could be.

NHTSA ODI report, 2018-05-30

When I pulled into driveway, I put the vehicle in park, and turned the key off, and actually pulled the key out of the ignition switch, with the vehicle still running.

NHTSA ODI report, 2014-06-24

Vehicle shut down while driving on the freeway, ignition locked. Consumer shook the steering column and it started. There was a multiple vehicle collision since the vehicle shut down at 65 MPH.

NHTSA ODI report, 2004-11-29

Power train

17% · 53 reports

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

CRASHFIRE
Show complaint excerpts

While putting the vehicle in 4-wheel drive it began to accelerate. Vehicle ran into a guard rail and rolled down into a ditch. Owner contacted the dealer, who said it was the fault of the driver.

NHTSA ODI report, 2005-03-10

Visibility

9% · 27 reports

Most commonly citing power window devices and controls and glass, side/rear.

INJURY

Exterior lighting

8% · 25 reports

Most commonly citing headlights and brake lights.

Safety timeline

3 recalls · 6 investigations · oldest first

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

  1. I
    2004-01-05Preliminary evaluationClosed 2004-05-07 Fuel spillage during refueling
  2. R
    2004-07-06Visibility04V046000 Certain sport utility vehicles have windshield wiper systems that will not turn on, cease operation while in use, fail to turn off/on by themselves (Moisture sensitive wiper system), or have…

    Remedy: Dealers will cover the windshield wiper module vent hole with a patch. Also, the wiper motor, circuit board, and electrical connector will be inspected to signs of water intrusion and/or corrosion…

  3. I
    2004-08-03Engineering analysisClosed 2004-11-04 Brake lamp failure
  4. 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…

  5. R
    2006-02-24Latches/locks/linkages05V494000 Certain sport utility vehicles have a rear side closure latch that may not latch or unlatch due to corrosion caused by road splash, such as water and road salt. These vehicles were originally sold…

    Remedy: Dealers will install a seal along the lower part of the rocker panel to prevent intrusion of corrosive material, and inspect the rear side closure latches. Functional latches will be cleaned and…

  6. I
    2007-03-12Preliminary evaluationClosed 2007-07-10 Fuel pump module leaks gasoline
  7. I
    2007-03-13Preliminary evaluationClosed 2007-06-12 Fuel tank leak
  8. I
    2007-07-10Engineering analysisClosed 2008-08-28 Fuel pump module leaks gasoline
  9. I
    2017-04-24Recall queryClosed 2021-03-29 Loss of Headlights

Buy-smart checklist

2003 Chevrolet Trailblazer EXT — pre-purchase inspection

Inspect

  • Fuel system, gasoline: 86 reports on file for this year.
  • Electrical system: 79 reports on file for this year.
  • Power train: 53 reports on file for this year.

Verify these recalls were completed

  • Recall 04V046000 · Visibility
  • Recall 04V527000 · Exterior lighting
  • Recall 05V494000 · Latches/locks/linkages

FAQ

Is the 2003 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 2003 Chevrolet Trailblazer EXT?
The most-reported component is fuel system, gasoline, accounting for 27% of complaints on file.
How many recalls does the 2003 Chevrolet Trailblazer EXT have?
3 recalls on file for this model year.

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