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: It would be ill-advised to blaze any trails with the 2004 Trailblazer. Its faulty fuel gauge could leave you stranded.


really awful
Crashes / Fires:
1 / 0
Injuries / Deaths:
3 / 0
Average Mileage:
33,925 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.

2004 Chevrolet Trailblazer miscellaneous problems

miscellaneous problem

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2004 Chevrolet Trailblazer Owner Comments

problem #3

Nov 182006

Trailblazer 4WD 6-cyl

  • Automatic transmission
  • 89,875 miles


My 2004 Trailblazer spare tire winch would not crank my tire all the way down I was on the side of the expressway and could not remove my tire so that I could change it.

- Olympia Fields, IL, USA

problem #2

Sep 072004

Trailblazer 6-cyl

  • Automatic transmission
  • 9,200 miles
Major electrical problems inside the vehicle. I have owned it less than a year.the vehicle has been in the shop twice in the past two weeks. Exiting the freeway the I had a complete power failure. The vehicle completely stopped and locked up and there was a semi truck behind me! my vehicle was moving and in "drive" when this happened. I had two of my toddlers in the car with me! the vehicle was taken into a local dealer and unfortunately they could not find anything wrong with it. Apparently, when the vehicle is restarted it erases the codes in the engine as to what caused the problem. Well, it happened to me again this evening. Same problem. This will be my 5th time of bringing this vehicle in for electrical problems in less than a year. I only have 9400 miles on the vehicle and bought it brand new. I do not feel safe driving this vehicle with my 5 children as passengers. Is there a way GM can get me a better running vehicle? I paid a lot for this vehicle and am very unsatisfied with it's performace. There always seems to be something wrong with it. The connell Chevrolet service here in killeen has been very helpful. I feel sorry for them because they did not sell me this vehicle but they are the ones nice enough to try and fix the multiple problems.

- Killeen, TX, USA

problem #1

Mar 192004

Trailblazer 6-cyl

  • Automatic transmission
  • 2,700 miles
While driving at 70 mph, the consumer pulled to the right to avoid hitting another motorist. The consumer over corrected the vehicle, which resulted in the consumer losing control of the truck. The truck went through 2 ditches and a service road before stopping. The truck went airborne. The driver sustained back injuries and the passenger sustained injuries to his/her side and knees. The console between the seats came loose and hit the passenger in the side. The vehicle was totaled.

- Claremore, OK, USA

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