2014 GMC Sierra Denali Exterior lighting Problems
- Complaints
- 1about this part
- Share
- 7%of 14 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 2014 GMC Sierra Denali, 7% of the 14 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.
“Headlights are extremely dim making it difficult to see at night out in rainy conditions causing a huge safety problem when driving at night. Can barely see when making left or right hand turns as well causing a huge safety issue at night with pedestrians are in a dark crosswalk.”
NHTSA complaint #11386642, filed 2021-01, 22,000 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 2014 GMC Sierra Denali
4 complaintsOther or unknown
4 complaintsAir bags
2 complaintsBody and structure
2 complaintsEngine
1 complaintsFuel system
1 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaintsWheels
1 complaints
← All problems reported for the 2014 GMC Sierra Denali
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