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EnginePart report

2010 Harley-Davidson Flhtcu Engine Problems

Complaints
4about this part
Share
13%of 31 total for the year
Median mileage
19,974miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine of the 2010 Harley-Davidson Flhtcu, 13% of the 31 complaints for this model year. Where a mileage was given, the median is 19,974 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.

“On 06/24/2014 at 16,948 miles while accelerating from a red light stop on my 2010 Flhtcu, I got to 30 MPH and the throttle cut out, the check engine light came on, and the engine went into limp mode. I limped the bike 4 miles home and shut it down. The engine light reset on the second restart and throttle resumed. I took it to the dealer who said it was a faulty twist grip sensor. They replaced the sensor and they said it was all set. …”

NHTSA complaint #10628276, filed 2014-08, 16,948 miles

“Multiple times while ridding my Flhtcu the bike goes to limp mode no throttle,at multiple speeds, with little to no warning. After tones of researching, hour of labor, and a tone of money, the issue still exist and I am at but a lose. During research I fond this issue to be a very common one with multiple hd models. Due to the poor quality of the materials, parts, and engineering designed used to cause such a extremely dangerous safety hazard, any where on the road. I am requesting hd to be held responsible and to generate a recall to fix this safety issue for their costumers. …”

NHTSA complaint #10759798, filed 2015-08, 3,700 miles

“As per service bulletin ; tt418-a ,electrical connector corrosion and fretting causing the engine to shut down due to vibration . This situation is hazardous as the bike can fail in heavy traffic and intersections . Harley davidson is aware of this situation sense 2008 . As to date there is no recall planned.”

NHTSA complaint #10584426, filed 2014-04, 23,000 miles

“The contact owns a 2010 Harley-Davidson Flhtcu. While driving 20 MPH, the check engine warning indicator illuminated and the acceleration failed. The contact stated that the failure occurred four other times. The vehicle was taken to the dealer where it was diagnosed that the throttle actuator failed. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 26,000. ...updated 07/13/16”

NHTSA complaint #10873475, filed 2016-06, 26,000 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2013114%
2010413%
200969%
200834%
200724%

Other parts of the 2010 Harley-Davidson Flhtcu

Brakes
10 complaints
Transmission and drivetrain
8 complaints
Vehicle speed control
7 complaints
Electrical system
5 complaints
Suspension
3 complaints
Fuel system
2 complaints
Wheels
2 complaints
Electronic stability control
1 complaints
Engine cooling
1 complaints

← All problems reported for the 2010 Harley-Davidson Flhtcu

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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