2009 Harley-Davidson Flhtcu Engine cooling Problems
- Complaints
- 6about this part
- Share
- 9%of 70 total for the year
- Median mileage
- 19,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the engine cooling of the 2009 Harley-Davidson Flhtcu, 9% of the 70 complaints for this model year. Where a mileage was given, the median is 19,000 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.
“This vehicle is a new Harley-Davidson 2009 flhtuctg tri-glide trike, that went in for it's first 500 (actual miles 533) mile service check. At departure of the dealership after the service was complied with, and within 1 mile, I heard a noise from undercarriage of the trike, at which I could not determine what the sound was at the time. I backed up and looked for anything that may have fallen off of the trike with no avail, as it was dark at the time of leaving the dealership, and continued home (about 30 miles away). …”
NHTSA complaint #10246013, filed 2008-10, 533 miles“The vehicle's electronic throttle suddenly acts erratic sometimes revving the engine unexpectedly and sometimes going into limp mode causing a sudden loss of power in traffic and creating a dangerous situation.”
NHTSA complaint #10438369, filed 2011-11, 29,000 miles“Engine suddenly stalls and quits. No power. Check engine light comes on. After shutting off the ignition and turning it back on, engine is operational again.”
NHTSA complaint #10445798, filed 2012-01, 16,000 miles“Multiple incidents. While maintaining a cruise speed of 65 MPH check engine light came on and engine RPM dropped to idle resulting in sudden loss of speed. Engine failed to respond to throttle control. Was able to pull to shoulder of road. Returned motorcycle to dealer. Dealer claimed they cleared failure codes but could not duplicate symptoms. They called tech services and were told of a service bulletin dealing with this issue caused by electrical connection corrosion for throttle control. This is a very serious sudden loss of ability to maintain flow within traffic conditions.”
NHTSA complaint #10396505, filed 2011-04, 22,000 miles“The contact owns a 2009 harley davison flhtcui (n/a). The contact stated that there was an increase in engine rpms without engaging the throttle and the engine rpms increased to their maximum. The vehicle was taken to an authorized dealer twice and the dealer felt that there was a short within the wiring harness. The failure mileage was 47,500 and the current mileage was 55,000. Multiple occasions (not to max everytime). Updated 09/21/2011”
NHTSA complaint #10419728, filed 2011-08, 47,500 milesRelated service bulletins
- 10254115Apr 4, 2024SERVICE BULLETIN M1612 (REV A): MILWAUKEE-EIGHT AND TWIN CAM TRANSMISSION GEAR PACKS. Purpose: Revision. Update: Notes for Table 3 and 4. * Updated: Part Numbers. This bulletin…
- 10179446Aug 19, 2020GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1100: TWIN CAM LONGBLOCK & WARRANTY ENGINE - PROGRAM UPDATES. PURPOSE: To inform dealers of certain twin cam longblock and…
Engine cooling: other model years
Other parts of the 2009 Harley-Davidson Flhtcu
36 complaintsElectrical system
11 complaintsVehicle speed control
11 complaintsEngine
6 complaintsTransmission and drivetrain
5 complaintsWheels
4 complaintsOther or unknown
3 complaintsExterior lighting
1 complaintsFuel system
1 complaintsSteering
1 complaintsSuspension
1 complaints
← All problems reported for the 2009 Harley-Davidson Flhtcu
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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