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Exterior lightingPart report

2016 GMC Sierra Denali Exterior lighting Problems

Complaints
2about this part
Share
7%of 30 total for the year
Median mileage
83,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the exterior lighting of the 2016 GMC Sierra Denali, 7% of the 30 complaints for this model year. Where a mileage was given, the median is 83,500 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.

“Passenger side tail light LED lights failed. Light began to dim and flutter in multiple locations in LED strip, eventually totally failing in brake light and turn signal.”

NHTSA complaint #11297821, filed 2020-01, 47,000 miles

“The contact owns a 2016 GMC Sierra Denali. The contact stated while driving 10 MPH, the rear windshield exploded without impact. The contact stated that the rear fogger had been activated independently. There were no injuries sustained. There was water located in the third taillight. The contact noticed there was mold and mildew in the taillight. The contact was seeking assistance from the insurance company. The contact called the local dealer and was informed that there were no recalls on the VIN related to the failure. The vehicle was not diagnosed or repaired. …”

NHTSA complaint #11639303, filed 2025-01, 120,000 miles

Related service bulletins

Exterior lighting: other model years

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

Other parts of the 2016 GMC Sierra Denali

Transmission and drivetrain
9 complaints
Brakes
8 complaints
Steering
6 complaints
Engine
3 complaints
Electrical system
2 complaints
Other or unknown
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Wheels
2 complaints
Electronic stability control
1 complaints
Seat belts
1 complaints
Seats
1 complaints
Body and structure
1 complaints

← All problems reported for the 2016 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