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Engine coolingPart report

2015 GMC Yukon Denali Engine cooling Problems

Complaints
1about this part
Share
1%of 73 total for the year
Median mileage
96,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2015 GMC Yukon Denali, 1% of the 73 complaints for this model year. Where a mileage was given, the median is 96,000 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.

“The contact owns a 2015 GMC Yukon Denali. The contact stated that while driving 80 MPH, the vehicle hesitated, and failed to accelerate as intended while depressing the accelerator pedal. In addition, there was an abnormal knocking sound coming from underneath the passenger’s side of the vehicle. The check engine warning light was illuminated. The contact arrived at the residence and used a personal diagnostic reader and retrieved information related to misfires in cylinder #2 and #4. The contact replaced the spark plugs and the ignition coils. …”

NHTSA complaint #11680375, filed 2025-08, 96,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
201511%
200812%
200722%
200548%
200422%
200346%
200213%
200139%
1999415%

Other parts of the 2015 GMC Yukon Denali

Exterior lighting
39 complaints
Electrical system
11 complaints
Other or unknown
9 complaints
Transmission and drivetrain
8 complaints
Brakes
5 complaints
Engine
4 complaints
Steering
4 complaints
Suspension
4 complaints
Fuel system
1 complaints
Body and structure
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints
Wheels
1 complaints

← All problems reported for the 2015 GMC Yukon Denali

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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