Print this page Notes: Carrying the not-so-proud traditions of its 2002 predecessor, the 2003 has a handful of instrument panel malfunctions that can leave you guessing your speed, engine temperature or how much gas is left in the tank.


hardly worth mentioning
Crashes / Fires:
0 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
60,398 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 Chevrolet Trailblazer electrical problems

electrical problem

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2003 Chevrolet Trailblazer Owner Comments

problem #3

Aug 252014

Trailblazer 6-cyl

  • 149,000 miles


The contact owns a 2003 Chevrolet Trailblazer. The contact noticed a strong burning odor emitting from the vehicle. The key was removed from the ignition, but the vehicle failed to power off. The contact also stated that the interior lighting illuminated independently. The contact disconnected the battery and the vehicle failed to power off. The contact discovered that the fuse box was burning and disconnected all the fuses to avoid a fire. The vehicle was repaired. The manufacturer was notified of the failure. The approximate failure mileage was 149,000. Updated 10/09/14 updated 3/26/2015

- Columbia, SC, USA

problem #2

Jan 092004

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 23,193 miles
The accelerator pedal position sensor failed causing loss of power to the vehicle. The vehicle would only accelerate to 10mph and almost caused an accident. I also had/have numerous other problems with the vehicle.

- Portage, MI, USA

problem #1

Nov 032003

(reported on)


  • Automatic transmission
  • 9,000 miles
Brake lights stopped operating. Dealer determined that the circuit board malfunctioned and replaced it.

- Texarkana, AR, USA

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