Vehicle Data Hub

2004 Chevrolet Trailblazer electrical system problems

Owners reported electrical system problems in 641 complaints for the 2004 Chevrolet Trailblazer, 49% of the complaints on file. It is the most reported problem area for this model year.

At a glance

Complaints
641 49% of this year's complaints
Typical mileage
65,000 miles 545 complaints with mileage
Crashes and fires
4 and 14
Injuries and deaths
6 and 0

Source: NHTSA owner complaints

When electrical system problems show up

Electrical system complaints by mileage, 2004 Chevrolet Trailblazer Complaints by odometer reading in 20,000-mile steps. The median is about 65,000 miles. 0k to 20k miles: 32 complaints 20k to 40k miles: 41 complaints 40k to 60k miles: 142 complaints 60k to 80k miles: 155 complaints 80k to 100k miles: 86 complaints 100k to 120k miles: 38 complaints 120k to 140k miles: 25 complaints 140k to 160k miles: 10 complaints 160k to 180k miles: 8 complaints 180k to 200k miles: 7 complaints 200k+ miles: 1 complaints 040k80k120k160k200k miles Typical: 65,000 miles
Based on 545 complaints that include mileage. 39% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles32
20k to 40k miles41
40k to 60k miles142
60k to 80k miles155
80k to 100k miles86
100k to 120k miles38
120k to 140k miles25
140k to 160k miles10
160k to 180k miles8
180k to 200k miles7
200k+ miles1

What the data shows

Of the 545 electrical system complaints that report mileage, the median is about 65,000 miles, and 39% were reported before 60,000 miles.

These complaints mention 4 crashes, 14 fires, 6 injuries.

What owners wrote

Tl* the contact owned a 2004 chevrolet trailblazer. While at an automated car wash, the driver side window switch short circuited without warning. As a result, flames appeared and engulfed the vehicle. The vehicle was destroyed. A fire report and a police report were filed. Both the contact and the passenger suffered smoke inhalation that required medical attention. The manufacturer was made aware of the failure.

Reported at 180,000 miles, March 2015 FireInjury

Tl* the contact owns a 2004 chevrolet trailblazer. The contact stated that while driving 45 MPH, the instrument panel failed and the speedometer was providing an inaccurate speed reading. The vehicle was not taken to the dealer for inspection and was not repaired. The manufacturer was not notified. The failure mileage was 130,000. Updated 03/01/13 updated 4/24/13

Reported at 130,000 miles, January 2013

Other problems reported for the 2004 Chevrolet Trailblazer

Electrical system problems in other years

Electrical system problems across all Chevrolet models