2010 Harley-Davidson Flhtcu Transmission and drivetrain Problems
- Complaints
- 8about this part
- Share
- 26%of 31 total for the year
- Median mileage
- 6,045miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 8 complaints about the transmission and drivetrain of the 2010 Harley-Davidson Flhtcu, 26% of the 31 complaints for this model year. Where a mileage was given, the median is 6,045 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.
“Compensator failure. The compensator on my h-d has developed a banging noise on startup and continues to make noise up to the 3500 RPM range. Harley davidson in miami, florida serviced my motorcycle and found the mounting bolt to be loose. After service the compensator the noise recurred after 100 miles. This is a real safety issue if this until should come apart and lock up the drive train while riding which would cause serious injury or death to the rider and passenger. …”
NHTSA complaint #10431148, filed 2011-10, 2,500 miles“The compensator on my bike is not engine for this large of motor. My compensator has loosened and is a extreme safety hazard for the drive and passenger if the motorcycle is in motion and the bolt falls out or the inadequate compensator falls apart while driving. My motorcycle was taken in because of a large banging noise at start up. Upon inspection the dealer stated that the bolt holding the compensator together had came loose and was retightened to specs. The servicing dealer stated that this item has been a problem on the 2009-2010 models.”
NHTSA complaint #10423792, filed 2011-09, 4,580 miles“2010 (and earlier) Harley-Davidson touring models have a problem with the transmission compensator that if not addressed, could cause an accident with injury or death. The compensator bolt comes loose in the transmission housing and causes significant internal damage with could cause the motorcycle to malfunction. In my case, I had just exited the highway 100 when I heard a loud rattling in the transmission. When the light turned green, I tried to move forward but the bike lurched and would not get into gear. This caused me to stop in the middle of the intersection with traffic around me. …”
NHTSA complaint #10351968, filed 2010-08, 5,565 miles“Tl * the contact owns a 2010 harley davidson Flhtcu motorcycle. While driving approximately 65 MPH on a major highway, the vehicle automatically decelerated to 15 MPH and stalled. The vehicle was taken to the dealer, but was not repaired. The manufacturer was notified. The approximate failure mileage was 23,400.”
NHTSA complaint #10597579, filed 2014-06, 23,400 miles“The 6th gear indicator goes out on my 2010 harley Flhtcu at different times and for no apparent reason. This is dangerous because if you have the cruise control engaged it goes off and will not work until you turn the bike on and off again.”
NHTSA complaint #10349293, filed 2010-08, 6,525 milesRelated service bulletins
- 11014014Jan 24, 2025SERVICE BULLETIN M1650: MILWAUKEE EIGHT AND TWIN CAM CAMSHAFT DRIVE GEAR RETENTION KIT CHANGES. PURPOSE: This bulletin informs dealers that changes have been made to the Camshaft…
- 11005514Jul 10, 2024GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1158: OIL FILTER PACKAGING AND CASE QUANTITY UPDATE. PURPOSE: To inform dealerships that Harley-Davidson has made updates to…
- 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…
- 10248398Dec 4, 2023SERVICE BULLETIN M1612: MILWAUKEE-EIGHT AND TWIN CAM TRANSMISSION GEAR PACKS. Purpose: This bulletin informs dealers that all: ⢠Twin Cam gear packs on CVO, Dyna, Police…
- 10248397Dec 4, 2023SERVICE BULLETIN M1612: MILWAUKEE-EIGHT AND TWIN CAM TRANSMISSION GEAR PACKS. Purpose: This bulletin informs dealers that all: ⢠Twin Cam gear packs on CVO, Dyna, Police…
- 10139399Apr 27, 2018TECH ARTICLE TA0023: TA0023: Crankshaft Rod Bearing. Purpose: Technicians have been falsely identifying connecting rod bearings as failed due to a perception of resistance as the…
Transmission and drivetrain: other model years
Other parts of the 2010 Harley-Davidson Flhtcu
10 complaintsVehicle speed control
7 complaintsElectrical system
5 complaintsEngine
4 complaintsSuspension
3 complaintsFuel system
2 complaintsWheels
2 complaintsElectronic stability control
1 complaintsEngine 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 31, 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