AI DamageHarley-Davidson Flhtcu103: problems, complaints, bulletins
Summary for the Harley-Davidson Flhtcu103 across 1 model years: 15 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
| Year | Owner complaints | involving a crash | Technical service bulletins (TSB) | YouTube repair videos |
|---|---|---|---|---|
| 2012 | 15 | 3 | 0 | 0 |
What fails most often
- 1 Service brakes 40% of all complaints
- 2 Electrical system 20% of all complaints
- 3 Engine 13% of all complaints
- 4 Structure 7% of all complaints
- 5 Suspension 7% of all complaints
- 6 Vehicle speed control 7% of all complaints
- 7 Wheels 7% of all complaints
- Service brakes: 6 complaints (40% of all), 1 of them with a crash reported by the owner.
- Electrical system: 3 complaints (20% of all).
- Engine: 2 complaints (13% of all).
- Structure: 1 complaints (7% of all), 1 of them with a crash reported by the owner.
- Suspension: 1 complaints (7% of all).
Symptoms owners describe
How many of the 15 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 6 | 1 | 0 |
| Electrical system | 3 | 0 | 0 |
| Engine | 2 | 0 | 0 |
| Structure | 1 | 1 | 0 |
| Suspension | 1 | 0 | 0 |
| Vehicle speed control | 1 | 1 | 0 |
| Wheels | 1 | 0 | 0 |
| Other | 1 | 1 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Kickstand spring broke causing bike to jump ninto 180 degree crash
Abs hydraulic control unit (hcu) failure. Front brake lever and rear pedal locked out. No braking abaility. Component failure mode leaves vehicle with no braking ability causing accident w/o fatality. Harley davidson mo co notified with no response. Contacted [phone].
Tl* the contact rented a 2012 harley davidson electra glide motorcycle. The contact stated that while decreasing speed to attempt a left turn, the throttle control failed and caused the motorcycle to go into overspeed. The contact was unable to control the motorcycle and crashed into a fence.
2012 road glide ultra. Abs module has gone bad at 48000 miles. This seems to becoming a common problem. It is very expensive to replace and the brakes do not function now. Motorcycle is not road worth and now parked.
Tl* the contact owns a 2012 harley davidson flhtcu. The contact stated that while driving about 30 mph, the vehicle lost brake power without warning. The vehicle was taken to the savannah harley-davidson dealer [phone], located at [address], savannah, [ZIP]) where it was diagnosed that the brake model needed to be…
Check engine and battery light come on. 3 miles down the road, and voltage is now 14v. Check engine and battery light switch off. Suspect a faulty voltage regulator. Had this happen on the 05 flhtcu I owned previously. $200+ for new voltage regulator. Will troubleshoot charging circuit prior to buying new regulator.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.