AI Damage2026 Harley-Davidson Flhlt: common problems
The maker issued 23 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 23
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 0 | 0 | 15 |
| Electrical system | 0 | 0 | 14 |
| Powertrain | 0 | 0 | 10 |
| Fuel/propulsion system | 0 | 0 | 8 |
| Vehicle speed control | 0 | 0 | 7 |
| Wheels | 0 | 0 | 2 |
| Exterior lighting | 0 | 0 | 1 |
| Seats | 0 | 0 | 1 |
| Structure | 0 | 0 | 1 |
| Other | 0 | 0 | 20 |
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.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
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 M1732 (REV B)
HIGH FREQUENCY BELT SOUND ON 2026 TRIKE (FLTRT, FLHLT, FLHLTSE). PURPOSE: Revision. This bulletin provides a belt dressing procedure to reduce a high frequency sound originating in the belt tensioner pulley area…
- SERVICE BULLETIN M1732 (REV A)
HIGH FREQUENCY BELT SOUND ON 2026 TRIKE (FLTRT, FLHLT, FLHLTSE). PURPOSE: Revision. This bulletin provides a belt dressing procedure to address a high frequency sound originating in the belt tensioner pulley area…
- 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 M1732
HIGH FREQUENCY BELT SOUND ON 2026 TRIKE (FLTRT, FLHLT, FLHLTSE). PURPOSE: Initial Release. This bulletin provides a belt dressing procedure to address a high frequency sound originating in the belt tensioner pulley area.
- SERVICE BULLETIN M1730
INCORRECT DERBY COVER ON LIBERTY EDITION ROAD GLIDE (FLTRX) AND STREET GLIDE 3 LIMITED (FLHLT). PURPOSE: Initial Release. This bulletin informs dealers that select Liberty Edition Road Glide (FLTRX) and Street Glide 3…
- 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 M1715 (REV C)
SKYLINE OS VERSION 5057D SOFTWARE UPDATE. PURPOSE: Revision. NOTE: Service Bulletin M1715 supersedes M1666. Repairs made to vehicles after April 8, 2026 following M1666 will not be accepted through warranty. Warranty…
- GENUINE MOTOR PARTS AND ACCESSORIES BULLETIN PAB1182
TRIKE SADDLEBAGS KIT INFORMATIONAL UPDATE. PURPOSE: Initial release. This bulletin informs dealers that the Trike Saddlebags kit (Part No. 84031-11) has an informational update: The drill template that is inside the…
- SERVICE BULLETIN M1728
2026 STREET GLIDE 3 LIMITED (FLHLT) LIBERTY EDITION ENTHUSIAST COLLECTION SEAT APPEARANCE. PURPOSE: Initial release. This bulletin informs dealers that there is a replacement Seat (Part No. 52000913) and Passenger…
- 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 M1715 (REV B)
SKYLINE OS VERSION 5057D SOFTWARE UPDATE. PURPOSE: Revision. Updated: Purpose for Service Bulletin. Date Change: April 8 was April 24. Note added. NOTE: Service Bulletin M1715 supersedes M1666. Repairs made to vehicles…
NHTSA lists 23 bulletins for this year; the 12 newest are shown here.
Questions and answers
What are the most common problems with the 2026 Harley-Davidson Flhlt?
There are no owner complaints in the NHTSA data for this year; the data comes from 23 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2026 Harley-Davidson Flhlt?
NHTSA lists 23 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 Flhlt 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.