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Exterior lightingPart report

2008 GMC Sierra Denali Exterior lighting Problems

Complaints
1about this part
Share
6%of 18 total for the year
Median mileage
22,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the exterior lighting of the 2008 GMC Sierra Denali, 6% of the 18 complaints for this model year. Where a mileage was given, the median is 22,000 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 2008 Gmc Sierra Denali has water condensation in both of the tail lights. Its never happened before on any of my Gmc trucks and this denali wasn't cheap.”

NHTSA complaint #10374137, filed 2010-12, 22,000 miles

Related service bulletins

Exterior lighting: other model years

YearComplaintsShare of year
201928%
2018318%
201717%
201627%
201417%
200816%

Other parts of the 2008 GMC Sierra Denali

Body and structure
6 complaints
Air bags
3 complaints
Other or unknown
3 complaints
Electrical system
2 complaints
Brakes
1 complaints
Electronic stability control
1 complaints
Fuel system
1 complaints
Latches, locks and linkages
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints
Wheels
1 complaints

← All problems reported for the 2008 GMC Sierra Denali

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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