AI Damage2026 Harley-Davidson Fxbb: common problems
The maker issued 14 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 14
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 0 | 0 | 12 |
| Electrical system | 0 | 0 | 11 |
| Fuel/propulsion system | 0 | 0 | 9 |
| Powertrain | 0 | 0 | 8 |
| Vehicle speed control | 0 | 0 | 5 |
| Exterior lighting | 0 | 0 | 1 |
| Service brakes | 0 | 0 | 1 |
| Wheels | 0 | 0 | 1 |
| Other | 0 | 0 | 11 |
Comparison
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- SERVICE BULLETIN M1490 (V 26.9.4)
DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER…
- SERVICE BULLETIN M1490 (V 26.8.3)
DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER…
- SERVICE BULLETIN M1490 (V 26.7.3)
DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER…
- SERVICE BULLETIN M1722 (REV A)
EXHAUST SMOKE, OIL CARRY-OVER OR MILKY OIL (M8 MODELS WITH TRANSMISSION-MOUNTED BREATHER). PURPOSE: Revision A. Purpose for Service Bulletin. This bulletin informs dealers about: • The cause and effects of moisture in…
- SERVICE BULLETIN M1490 (V 26.6.2)
DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER…
- SERVICE BULLETIN M1721
UPDATES TO 2026 SOFTAIL SERVICE MANUAL. PURPOSE: Initial release. This bulletin informs dealers that the Regular Service Intervals table (pages 2-4 and 2-5) located within the printed 2026 Softail Service Manual >…
- SERVICE BULLETIN M1679
AFTERMARKET EXHAUST HEADER DEBRIS. PURPOSE: Initial release. This bulletin informs dealers that Harley-Davidson has identified instances of premature engine failure due to abrasive particle wear, specifically from…
- SERVICE BULLETIN M1490 (V 26.5.2)
DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER…
- SERVICE BULLETIN PAB1174 (REV A)
SCREAMIN EAGLE STAGE KITS (I-IV) FITMENT HOLD. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has lifted the hold for the Screamin' Eagle Pro Street Tuner and software for certain 2026 vehicles…
- SERVICE BULLETIN M1713 (REV C)
DTII UPDATE PROCEDURE FOR SOFTWARE VERSION (26.4.3). PURPOSE: Revision C. This bulletin informs dealers that an issue was discovered in the Digital Technician II (DT II) software version (26.0.2), released on November…
- SERVICE BULLETIN M1490 (V 26.4.3)
DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER…
- SERVICE BULLETIN M1713 (REV B)
DTII UPDATE PROCEDURE FOR SOFTWARE VERSION (26.3.2). PURPOSE: Revision B. This bulletin informs dealers that an issue was discovered in the Digital Technician II (DT II) software version (26.0.2), released on November…
NHTSA lists 14 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2026 Harley-Davidson Fxbb?
There are no owner complaints in the NHTSA data for this year; the data comes from 14 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2026 Harley-Davidson Fxbb?
NHTSA lists 14 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 2026 Harley-Davidson Fxbb 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 2026 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 2026-11-04.