Table 1 shows 20 common electrical system related problems of the 2003 Chevrolet Trailblazer. The number one most common problem is related to the electrical system (160 problems). The second most common problem is related to the instrument panel (85 problems).
Transmission doesn’t have 3rd or 4th gear. Vehicle was smoking under hood. Found out after buying it it has flood damage. Mechanic said there was water in the transmission when inspected. Vehicle needs catylic converter sensor and vehicle has bad ground wire. Read details...
Our speedometer quit working last month and started working again a week later. It stopped again 2weeks ago and hasn't worked since. Now I am worried all gauges will quit. I have read many other owners that have same issues with this vehicle. Read details...
The contact owns a 2003 Chevrolet Trailblazer. While attempting to start the vehicle, the ignition failed without warning. The vehicle was taken to an independent mechanic who diagnosed that the ignition switch failed and needed to be replaced. The vehicle was not repaired. Read details...