Service bulletin M1539
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10202122 |
| Published by NHTSA | 2021-10-07 |
| Manufacturer's number | M1539 |
| Manufacturer's date | 2021-09-30 |
| NHTSA component | EQUIPMENT; ELECTRICAL SYSTEM |
NHTSA's summary
SERVICE BULLETIN M1539: 30K WIRELESS HEADSET. PURPOSE: Revision. This service bulletin is to inform dealers of an available update to address 30K wireless headsets that have lost audio volume. 30K headsets that have been updated to software version 3.1 may experience a loss of audio. This can be repaired by updating the software on the headsets to version 3.2.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Equipment and accessories
| HARLEY-DAVIDSON FLHTCUTGSE | 2020 to 2021 |
|---|---|
| HARLEY-DAVIDSON FLHTKSE | 2020 to 2021 |
| HARLEY-DAVIDSON FLHXSE | 2020 to 2021 |
| HARLEY-DAVIDSON FLTRXSE | 2020 to 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.