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Engine coolingPart report

2020 GMC Yukon XL Engine cooling Problems

Complaints
3about this part
Share
6%of 47 total for the year
Median mileage
102,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the engine cooling of the 2020 GMC Yukon XL, 6% of the 47 complaints for this model year. Where a mileage was given, the median is 102,000 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 2020 GMC Yukon XL. The contact stated that while driving at 35 MPH, there was an abnormally loud ticking sound coming from the vehicle. The driver was able to pull over safely. There were no warning lights illuminated. The vehicle was towed to an independent mechanic who determined that the lifter was stuck in the bore, and there was a misfire in cylinder #7 due to a stuck camshaft. The local dealer was not contacted. The manufacturer was not notified of the failure. The failure mileage was approximately 113,997.”

NHTSA complaint #11722060, filed 2026-03, 113,997 miles

“The contact owns a 2020 GMC Yukon XL. The contact stated that while his wife was driving approximately 65 MPH, the transmission started to slip out gear and the vehicle was losing motive power. The contact's wife had not observed any warning lights. The contact’s wife drove the vehicle back to the residence and while attempting to place the vehicle in park(P), the vehicle failed to respond. The contact had the vehicle towed to an independent mechanic who diagnosed the vehicle and determined that the transmission needed to be replaced. …”

NHTSA complaint #11606141, filed 2024-08, 102,000 miles

“The contact owns a 2020 GMC Yukon XL. The contact stated that while driving 70 MPH and attempting a lane change, the vehicle failed to accelerate as intended. The contact pulled over to the shoulder and restarted the vehicle, but the vehicle struggled to restart and failed to accelerate as needed. The vehicle was driven to the residence at a reduced speed. The contact referenced NHTSA Campaign Number: 25V274000 (ENGINE AND ENGINE COOLING); however, the VIN was not included in the recall repair. The vehicle was not repaired. The manufacturer was not notified of the failure. …”

NHTSA complaint #11729392, filed 2026-04, 70,000 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
202479%
2023115%
2022148%
2021219%
202036%
201969%
201812%
201621%
201510%
200914%
200811%
200711%
2004910%
200344%
20021011%
200133%
200023%

Other parts of the 2020 GMC Yukon XL

Engine
24 complaints
Transmission and drivetrain
13 complaints
Other or unknown
5 complaints
Brakes
3 complaints
Fuel system
3 complaints
Steering
3 complaints
Electrical system
2 complaints
Exterior lighting
2 complaints
Air bags
1 complaints
Body and structure
1 complaints
Suspension
1 complaints

← All problems reported for the 2020 GMC Yukon XL

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