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CarComplaints.com 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.

3.4

definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
39,500 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 #2

Jul 052007

Trailblazer

  • Automatic transmission
  • 76,000 miles

A D V E R T I S E M E N T S

For approx. 4 months I would go to get into my Trailblazer and the vehicle would be dead. Would not start unless I had it jumped. It would go 2 weeks with no problem then out of the blue, not work. I had the battery changed 2 times, alternator, starter checked with no problem. Finally after the last time, I had the alternator people come and get it and they checked it out for 2 days. The ABS system is what came up. I had to have it taken to the dealer that I purchased it from (I have only had this vehicle purchased used for a year and couple of months-vehicle is only 4 years old now) and it is the ABS module costing me $1150 to be fixed. Dealer states that it stays on after vehicle is turned off and running my battery.

- Piqua, OH, USA

problem #1

Nov 212003

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 3,000 miles
Our windshield wipers were inoperable. The wiper switch was turned on with absolutely no response from the wipers. The dealership has replaced it. However, other electrical problems keep occurring. For example, our air conditioning switch malfunctioned, the onstar did not send tracking information properly, the alternator needed to be replaced, and the fan for the heater would not work at any speed except low. We have only had this vehicle since August. I am thinking that this in an electrical problem instead of each individual piece being faulty. Please let us know if you are hearing more of the same types of information.

- Havre, MT, USA

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