2015 GMC Yukon Denali Exterior lighting Problems
- Complaints
- 39about this part
- Share
- 53%of 73 total for the year
- Median mileage
- 59,000miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 39 complaints about the exterior lighting of the 2015 GMC Yukon Denali, 53% of the 73 complaints for this model year. Where a mileage was given, the median is 59,000 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My right rear taillight stopped working, including the brake light. I took it to the dealership and was told it is a burned out taillight and has to be replaced. The cost was $800. I was under the impression that these taillights are LED and last forever. In reading online, it looks like this is an ongoing problem with these Gmc/chevy taillights where the circuit board breaks and the light stops working.”
NHTSA complaint #11163729, filed 2018-12, 40,000 miles“The tail light failed with no physical damage. I feel this is a latent defect that GM is aware of but will not take responsibility for it. This a sealed unit causing owners to pay exorbitant amounts to replace the unit. There are many reports of this item failing in the field within an unacceptable time period. Production date on our unit is apr/24/14, so just over a five year period on a vehicle with less than 80k miles.”
NHTSA complaint #11221424, filed 2019-06, 79,865 miles“2015 Gmc Yukon Denali, break light malfunction, driving, parked with no indication when it will work or not. Dealership and Gmc service center claimed there were no or very few complaints however I have found hundreds already. They refused to even look at the light stating I can get it replaced for around $775 because they cannot change bulbs on that type of tail light. Dealership told me that this was new feature starting with my year model and since Gmc went with encased LED lights they no longer can fix them under warranty. …”
NHTSA complaint #11131820, filed 2018-09, 20,000 miles“The rear driver side taillight does not work. Took it to the dealership and they said it was a problem they saw frequently, to just hit the light and it might start working. Otherwise it was a 800 dollar light to replace....if it is a frequent problem Gmc should be fixing it... Are they going to pay for a ticket if I get pulled over or worse someone crashes into me? The problem comes and goes but has seemed to get worse and is not safe or legal to drive with the light how it is. Bad design of the light. And from what I have seen online I am not the only one. …”
NHTSA complaint #11194118, filed 2019-04, 40,000 miles“The left brake light failed with 57k miles. The right one then failed at 61k miles. The dealer wanted $735 each to fix them, as they claim they need to replace the entire LED housing. The dealer is well-aware that this is a common problem, and it would appear based on googling the issue that many others have experienced this failure from GM.”
NHTSA complaint #11228279, filed 2019-06, 60,000 milesRelated service bulletins
- 11014170Jan 27, 2025This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
- 10249011Jan 12, 2024This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
- 10236041May 3, 2023This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
Exterior lighting: other model years
Other parts of the 2015 GMC Yukon Denali
11 complaintsOther or unknown
9 complaintsTransmission and drivetrain
8 complaintsBrakes
5 complaintsEngine
4 complaintsSteering
4 complaintsSuspension
4 complaintsEngine cooling
1 complaintsFuel system
1 complaintsBody and structure
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaintsWheels
1 complaints
← All problems reported for the 2015 GMC Yukon 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