Skip to content
Exterior lightingPart report

2004 GMC Sierra 2500 Exterior lighting Problems

Complaints
2about this part
Share
1%of 143 total for the year
Median mileage
40,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the exterior lighting of the 2004 GMC Sierra 2500, 1% of the 143 complaints for this model year. Where a mileage was given, the median is 40,000 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.

“My wife was driving her truck to dialysis appt at 6:00 am when she heard a noise and her left outside mirror exploded spraying the left door glass and side of the truck with glass and a gel.”

NHTSA complaint #10168931, filed 2006-09, 40,000 miles

“The contact owns a 2004 Gmc SIERRA 2500. The contact noticed that while applying pressure to the brakes the steering would become difficult to move. When attaching the wiring harness to the trailer the tail lights would not illuminate. The dealer informed the contact that there were no related recalls. The vehicle had not been repaired. The current mileage was 73,000 and the failure mileage was unknown.”

NHTSA complaint #10384735, filed 2011-02

Related service bulletins

Exterior lighting: other model years

YearComplaintsShare of year
202527%
202433%
202224%
2021917%
202023%
201926%
2018411%
201713%
201623%
20152629%
201413%
201112%
200522%
200421%
200311%
200211%
200121%
199926%

Other parts of the 2004 GMC Sierra 2500

Brakes
56 complaints
Electrical system
48 complaints
Engine
9 complaints
Engine cooling
9 complaints
Transmission and drivetrain
9 complaints
Fuel system
8 complaints
Steering
7 complaints
Body and structure
5 complaints
Equipment
3 complaints
Tires
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Air bags
2 complaints

← All problems reported for the 2004 GMC Sierra 2500

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