2004 Chevrolet Trailblazer EXT 370 Exterior lighting Problems
- Complaints
- 1about this part
- Share
- 7%of 15 total for the year
- Median mileage
- 92,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the exterior lighting of the 2004 Chevrolet Trailblazer EXT 370, 7% of the 15 complaints for this model year. Where a mileage was given, the median is 92,500 miles.
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.
“Nhtsa recently posted a recall of the 2006-2009 chevy trailblazer for headlight issues due to a headlamp driver module (hdm) that is not operating correctly and can cause the low beam headlamps and daytime running lights to shut off. I have a 2004 chevy TRAILBLAZER EXT 370 and have the same issue and it has been ongoing for several years. It happened maybe once in 2012 and then several months later did it again and now it is happening more frequently (at least once a week or so). Please extend the recall to also include my vehicle as well.”
NHTSA complaint #10667443, filed 2014-12, 92,500 milesRelated service bulletins
- 10249011Jan 12, 2024This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
- 10232136Feb 15, 2023This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
Exterior lighting: other model years
Other parts of the 2004 Chevrolet Trailblazer EXT 370
6 complaintsFuel system
6 complaintsAir bags
1 complaintsBrakes
1 complaintsEngine cooling
1 complaintsOther or unknown
1 complaintsSeats
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2004 Chevrolet Trailblazer EXT 370
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