AI DamageHarley-Davidson Flhcs: problems, complaints, bulletins
Summary for the Harley-Davidson Flhcs across 7 model years: 0 owner complaints and 81 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 215 |
| Powertrain | 0 | 0 | 121 |
| Engine | 0 | 0 | 97 |
| Engine and cooling | 0 | 0 | 79 |
| Vehicle speed control | 0 | 0 | 73 |
| Equipment | 0 | 0 | 57 |
| Fuel/propulsion system | 0 | 0 | 55 |
| Wheels | 0 | 0 | 35 |
| Suspension | 0 | 0 | 13 |
| Fuel system | 0 | 0 | 10 |
| Exterior lighting | 0 | 0 | 9 |
| Service brakes | 0 | 0 | 8 |
| Steering | 0 | 0 | 4 |
| Structure | 0 | 0 | 4 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- SERVICE BULLETIN M1490 (V 26.9.4)
- SERVICE BULLETIN M1733
- SERVICE BULLETIN M1490 (V 26.8.3)
- SERVICE BULLETIN M1490 (V 26.7.3)
- SERVICE BULLETIN M1490 (V 26.6.2)
- SERVICE BULLETIN M1679
- SERVICE BULLETIN M1490 (V 26.5.2)
- SERVICE BULLETIN M1713 (REV C)
- SERVICE BULLETIN M1490 (V 26.4.3)
- SERVICE BULLETIN M1713 (REV B)
- SERVICE BULLETIN M1490 (V 26.3.2)
- SERVICE BULLETIN M1713
Other models of this make
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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 2026-11-04.