AI Damage2015 Harley-Davidson Flhx: common problems
Owners of the 2015 Harley-Davidson Flhx filed 3 complaints with NHTSA, most often about powertrain and service brakes. Details by component below, with sources.
Key figures
- Owner complaints
- 3
- involving a crash
- 1
What fails most often
- 1 Powertrain 33% of all complaints
- 2 Service brakes 33% of all complaints
- 3 Structure 33% of all complaints
- Powertrain: 1 complaints (33% of all), 1 of them with a crash reported by the owner.
- Service brakes: 1 complaints (33% of all).
- Structure: 1 complaints (33% of all).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Powertrain | 1 | 1 | 0 |
| Service brakes | 1 | 0 | 0 |
| Structure | 1 | 0 | 0 |
| Other | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Tl* the contact owns a 2015 harley-davidson flhx. While driving at approximately 10 mph, the vehicle accelerated independently causing the contact to crash into an open lot. The contact sustained a skull, ankle, left leg, and right foot injuries that required medical attention. A police report was filed.
The hydraulic reservoir covers on both the clutch lever and front brake lever leak brake fluid and are in constant need of monitoring in the case of low levels of brake fuild or fluid contamination possible resulting in clutch or brake failure.
Bought new 2015 harley street glide . Left for work approximately 15 mile from home . When I got there my right side hard case saddle bag was gone. Disengaged somewhere between home and work. Looked for hours could not find.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 17,150 of 36,656 model years in the NHTSA data (top 47% most complained about).
On average one model year of the Flhx has 9 complaints (20 years in the data). This year has 3, below average.
What to check before buying
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Other years of this model
- Flhx 200720 sources
- Flhx 200830 sources
- Flhx 200929 sources
- Flhx 201024 sources
- Flhx 201118 sources
- Flhx 201216 sources
- Flhx 20136 sources
- Flhx 20148 sources
- Flhx 201651 sources
- Flhx 201779 sources
- Flhx 201876 sources
- Flhx 201966 sources
- Flhx 202079 sources
- Flhx 202164 sources
- Flhx 202256 sources
- Flhx 202351 sources
- Flhx 202489 sources
- Flhx 202538 sources
- Flhx 202619 sources
Questions and answers
What are the most common problems with the 2015 Harley-Davidson Flhx?
Owner complaints to NHTSA most often mention: powertrain, service brakes, structure. Total complaints: 3. The most frequent symptoms in complaint texts: brake failure (33%).
How many service bulletins (TSB) were issued for the 2015 Harley-Davidson Flhx?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2015 Harley-Davidson Flhx from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2015 models
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.