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. 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.


pretty bad
Typical Repair Cost:
Average Mileage:
115,598 miles
Total Complaints:
4 complaints

Most Common Solutions:

  1. not sure (4 reports)
2002 Chevrolet Trailblazer lights problems

lights problem

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2002 Chevrolet Trailblazer Owner Comments

problem #4

Jul 022012

Trailblazer LS V6

  • Automatic transmission
  • 117,685 miles


Took the car to get a new battery. Two days later, low beam headlights stop working all together. Was told I need a new switch that controls the lights. Purchased it and had it put in. Still lights did not work. Returned the purchase. Still searching to see if others have this same problem. I found there were several ranging from the 2002 Trailblazers to the 2008 Trailblazers. I even checked the recall list. Nothing shaking there. Chevrolet need to do a better job because it is obviously a factory default. Anyone with any clues, need help!!!!

- , Warner Robins, GA, USA

problem #3

Dec 172008

Trailblazer XLT 4.6L V6

  • Automatic transmission
  • 92,000 miles

December 08 was the first time problem occurred has happened three times. We have to go to a junk yard find a wrecked trailblazer remove whole light assembly where bulb goes because my car has two different style lights in it and have to re-wire new light. Then light keeps blowing out on both sides but not at same time

- , Kingsttree, SC, USA

problem #2

Dec 112008

Trailblazer LTZ 6

  • Automatic transmission
  • 99,147 miles

The sockets burn out. I get one side fixed then the other side goes out. This has happened several times.

- , Dunedin, FL, USA

problem #1

Dec 152006

(reported on)

Trailblazer LS 4.2L

  • Automatic transmission
  • 153,562 miles

It's becoming annoying, cumbersome, and expensive. I have to take off the entire grill and lamp hoods off quite often to replace these low-beam buls at $10 a pop. The lights constantly flicker as well. As much as I have been faithful to American cars, I am seriously doubting I will buy Chevy again.

- , Santa Isabel, PR, Puerto Rico

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