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5.2

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
18,576 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 EXT lights problems

lights problem

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2003 Chevrolet Trailblazer EXT Owner Comments

problem #5

Nov 142008

Trailblazer EXT

  • miles

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

Head lamps and sockets keep burning out.

- Missoula, MT, USA

problem #4

Mar 012008

Trailblazer EXT 6-cyl

  • Automatic transmission
  • miles
Headlights become inoperative when driving: When driving at night the headlights stop working I have been forced to pull over and wait until the lights become operative. I have discussed this problem with my local dealer and he stated that there was know visual reason that he could find on why this was happening he advised that I should bring the car in the next time it happened, this presents a problem because if the lights fail in the day light hours I wouldn't be able to see the failure only at night can I visually see that my headlights have failed. The headlight failure can last for minutes to hours I have been driving on the highway at 65 mph and my headlights completely fail.

- Anna, TX, USA

problem #3

Sep 122007

Trailblazer EXT 4WD 6-cyl

  • Automatic transmission
  • 71,700 miles
My 2003 Chevy trailblazer has a third brake light across the top hatch.while driving down a busy highway it was flying like a wing on the back of my vehicle luckily dot falling completely off but when I stopped it came crashing down onto my window of hatch luckily not breaking all I could do is break it completely off so it would not fly into someone's windshield behind me I work with a lady with the same make and model and hers flew right off her latch causing it to smash luckily no one was behind her. I also have it in the shop due to rusty corroded hoses that went to transmission causing all fluid to drain almost burning up my transmission no indication lights ever came on other than it skipping a little luckily a service engine light came on a week later I took it to garage and just in time. Unfortunately even with power train warranty this problem is costing me $500 out of my pocket no fault of mine wheel wells and brake drums have been beaten due to lots of rust build up and doors that were recalled and fixed three times still not working right also front headlight replaced twice in two years causing me to be pulled over twice as I did not realize the problem of my lights going out frequently.

- Carthage, NY, USA

problem #2

May 012007

Trailblazer EXT 4WD 6-cyl

  • Automatic transmission
  • miles
The contact owns a 2003 Chevrolet Trailblazer ext. The contact has had both headlights replaced on her vehicle and now they fail to illuminate. When it gets dark outside, the headlights would normally activate automatically, but they fail to activate any longer. The dealer and the manufacturer have not been contacted. The VIN, engine size, and failure mileage were unknown. The current mileage is 120,000.

- San Antonio, TX, USA

problem #1

Nov 042004

Trailblazer EXT 4WD 6-cyl

  • Automatic transmission
  • 21,178 miles
My right front headlight was burned out, and upon investigation, I discovered that the plug and bulb socket had melted along with several inches of wire. It was repaired after some back and forth discussion with the Chevrolet dealer. I thought this incident was strange, but thought it was a random incident until I read on a web forum that this appears to be a common occurrence.

- Twentynine Palms, CA, USA

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