2005 Chevrolet Trailblazer Ext 370 electrical system problems
101 owner complaints filed with NHTSA name the electrical system on the 2005 Chevrolet Trailblazer Ext 370 — 43% of all complaints for this model year.
What owners report
“The whole instrument cluster does not work anymore, does not let me know how fast I'm going or how much fuel I have, oil pressure gauge doesn't work, temperature gauge doesn't work... Why hasn't this been recalled? This is very dangerous, considering I have 4 kids that are constantly in the car…”
filed Oct 12, 2018
“I have 2005 chevrolet trailblazer 4wd ext ls 4.2 liter. I noticed over past 3 years that I be at drive through for burgers and etc. The car would cut off. I did not think much of it at the time. It has gotten critically worse. It would cut off in middle of the highway, drive throughs and etc…”
filed Jun 8, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to…
General Communication · Service Campaign · issued Aug 26, 2024
Other reported problem areas on the 2005 Chevrolet Trailblazer Ext 370
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.