Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.

CarComplaints.com Notes: The Trailblazer emerged from an "upscale trim line" of the Blazer, but there's nothing upscale about its transmission problems or its wonky, unpredictable headlights.

5.1

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
19,400 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.

2002 Chevrolet Trailblazer lights problems

lights problem

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2002 Chevrolet Trailblazer Owner Comments

problem #2

Oct 092004

Trailblazer 6-cyl

  • Automatic transmission
  • 38,800 miles

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

2002 Chevrolet Trailblazer -- I have experience a reoccurring problem (about 6 times over the last couple of weeks) where the low beam headlights go off during operation of the vehicle. Nothing I have found can force them to come back on; however, usually after 5 or 10 minutes they seem to return to the normal on condition by themselves. The high beams work ok, tail lights, dash lights, turn signals, etc. Are not effected while the low beams are in this condition. Additonally one day I noticed the day time running lights in this same state. I had the vehicle in the dealer, bill heard Chevrolet (sanford, fl), and they were unable to reproduce the condition. I contacted GM/Chevrolet, and they agreed that unless the condition could be reproduced, there would not authorize or make any attempt to replace any parts to attempt to correct the problem. This seems to be a rigid stance to take, especially since I never know when this can happen again, and it is obviously an extreme safety issue for not only myself and family, but others on the road with me at the time. I don't know how to proceed at this point, and don't know if this has been reported by any other owner.

- Longwood, FL, USA

problem #1

Jul 302003

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • miles
Rear view outside mirrors change settings unexpectedly while car is in motion. Dealer had one recall. Didn't fix problem............. also intermittent loss of high beam..... they either come on or don't come on. This has been happening since we purchased the car.

- Rahway, NJ, USA

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