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.


definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
26,800 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 engine problems

engine problem

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2002 Chevrolet Trailblazer Owner Comments

problem #3

Apr 262004

(reported on)


  • miles


Vehicle has a delay in acceleration. Dealer has been contacted.

- Covington, LA, USA

problem #2

Mar 012004

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 67,400 miles
I backed out of a parking place'put the vehicle in drive and it lunged forward as if the accelarator was pushed to the floor.I hit a light pole and the car stopped.

- Greensboro, NC, USA

problem #1

Feb 282002


  • 13,000 miles
While driving at high speeds there is a vibrating sensation. Ts also, when starting engine, sometimes there is a higher than normal engine idle, and it won't idle down. When starting to drive idle is still high, but it wouldn't shift out of low gear. This happens intermittently.

- Greenville, PA, USA

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