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Engine coolingPart report

2015 Harley-Davidson Flhtcutg Engine cooling Problems

Complaints
1about this part
Share
17%of 6 total for the year
Median mileage
23,605miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2015 Harley-Davidson Flhtcutg, 17% of the 6 complaints for this model year. Where a mileage was given, the median is 23,605 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 Harley-Davidson FLHTCUTG Tri Glide Ultra Classic. The contact stated while riding 70 MPH, the check engine and coolant temperature warning lights illuminated. The contact pulled over to allow the motorcycle to cool down. The motorcycle cooled down and operated normal; however, the check engine warning light remained illuminated. The contact stated that the failure occurred twice. The motorcycle was taken to the dealer to be diagnosed. The contact stated that the water pump was replaced; however, the failure recurred. …”

NHTSA complaint #11471582, filed 2022-06, 23,605 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2015117%
2013229%
2012114%
2011333%
2010333%
2009240%

Other parts of the 2015 Harley-Davidson Flhtcutg

Engine
3 complaints
Brakes
2 complaints
Other or unknown
2 complaints
Exterior lighting
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 2015 Harley-Davidson Flhtcutg

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