Print this page Notes: The 2002-2007 Chevrolet Trailblazer is known for many things, but perhaps it is most famous for its faulty fuel gauge.

This gauge flip-flops more than a politician during election season. Some report that the gauge says "empty" after a fill-up, while others report the gauge says "full" when they're running on fumes. Either way, there's one thing everyone seems to agree on: the darn thing is just wrong.

Following hundreds of complaints and a few accidents allegedly caused by the malfunction, the National Highway Traffic Safety Administration (NHTSA) opened an investigation into the issue in May 2011. Unfortunately for frustrated owners, no recall has been announced.


hardly worth mentioning
Crashes / Fires:
0 / 2
Injuries / Deaths:
0 / 0
Average Mileage:
83,750 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.

2006 Chevrolet Trailblazer accessories - interior problems

accessories - interior problem

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2006 Chevrolet Trailblazer Owner Comments

problem #2

Jan 232006

Trailblazer 6-cyl

  • 2,500 miles


Seat moves while driving, we have a occasional problem with the electric seat position. While driving and in gear the seats will relocate. My wife has the seat mostly forward and while driving the seat moves backward. One time she could not step on the break to avoid hitting the car in front. She nearly crashed into the car. This has happened several times. GM is not willing to investigate. One person said to tell the dealership when we crash because of this. Also the driver side mirror will at times change position while driving with it set in the neutral position but not associated with the seat movement.

- Sturgis Mi, MI, USA

problem #1

Jun 042012

Trailblazer 6-cyl

  • 165,000 miles
This issue started when the back hatch of the Trailblazer would not lock or open and the rear wiper would not work. After dealing with this for a few months the doors, windows and driver side seat stopped working. Also, the doors would not lock/unlock with the keyless entry. After some research, I changed the lgm fuse (it was blown). Once the fuse was changed everything started working except the back hatch. I manually locked the back hatch and closed it. Once the hatch was closed all of the doors locked and I could not open the truck. I manually used the key and opened the driver side door. When I opened the door I could hear the electrical wires burning in the door panel and throughout the truck. The truck was filled with smoke and smelt of burnt plastic. Luckily I was not inside the truck when the fire started because none of the unlock or window buttons worked. I would have been stuck inside of a burning truck. I unplugged the negative charge of the battery and put the fire out. Once the fire was out I tried starting the truck and it would not start. I went through all of the gears with the truck off, I pulled up the E-brake and the truck started. Once I shut the truck back off it would not start again.

- Jacksonville, FL, USA

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