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Exterior lightingPart report

2004 Chevrolet Trailblazer EXT Exterior lighting Problems

Complaints
13about this part
Share
5%of 261 total for the year
Median mileage
59,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 13 complaints about the exterior lighting of the 2004 Chevrolet Trailblazer EXT, 5% of the 261 complaints for this model year. Where a mileage was given, the median is 59,000 miles. 1 recall campaign on record is filed under a similar system.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“When driving the headlights all of a sudden just shut off. It is extremely scary at night. I found that I can however use the brights. They eventually come back on. This has been happening for years. I kept hoping for a recall and just found this site to report it. This has happen on city streets and highways. It has happened when there are street lights and vehicle lights and when it is pitch black. The 1st time it happened, I was driving with my child in the vehicle on the freeway.”

NHTSA complaint #11074267, filed 2018-02, 40,000 miles

“I was driving my trailblazer to minneapolis and the turn signals were working fine, I stop and when I started driving again I went to use my left turn signal and the flashers went on instead. It continued to do this everytime I used it. I had to go and get the flasher modules replace at the cost of 200.00. I see that there is a recall on this but my VIN # is not included in the recall.”

NHTSA complaint #10224790, filed 2008-04, 59,000 miles

“My headlamps keep flickering off. At this time they don't come back on. For about 7 months they would go off and I would have to pull over and shut vehicle off. It would come on after I let it sit for a minute. Now they shut off and will not come back on.”

NHTSA complaint #10366770, filed 2010-11, 74,000 miles

“Low beams went off as I was driving down rural roadway. This was at 10:45 at night on my way to work. Had too sit by side of road for some time with no lights. Finally came back on. This has happened 4 other times since then. I live in a rural area, when the lights go out there are no street lights around to illuminate the roadway. I have had 2 near crashes due to the darkness of the area in which I was traveling. There are no codes being thrown when this occurs, no warnings, the lights just go out. Unable to locate failure point. …”

NHTSA complaint #10356377, filed 2010-09, 167,723 miles

“2004 Chevrolet trailblazer ex. Both brake lights were not working. The center high brake light was working. I took it to the dealer and was told the repair would be covered under my private extended warranty that I purchased with the vehicle. I stated I thought it might be covered under a recall or special policy extended warranty. The service person said that he would check. 1) there was recall NHTSA actions # ea04021 that does not include this year vehicle. 2) I was told there was a GM special policy that would cover the right taillight circuit board. …”

NHTSA complaint #10220770, filed 2008-03, 43,000 miles

Related recalls

Related service bulletins

Exterior lighting: other model years

YearComplaintsShare of year
2006116%
2004135%
2003237%
20021010%

Other parts of the 2004 Chevrolet Trailblazer EXT

Electrical system
145 complaints
Fuel system
46 complaints
Transmission and drivetrain
17 complaints
Engine cooling
16 complaints
Equipment
9 complaints
Vehicle speed control
9 complaints
Steering
8 complaints
Visibility (wipers, defrost, mirrors)
8 complaints
Air bags
7 complaints
Body and structure
7 complaints
Engine
5 complaints
Latches, locks and linkages
3 complaints

← All problems reported for the 2004 Chevrolet Trailblazer EXT

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology