Service bulletin M1644
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 | 11001304 |
| Published by NHTSA | 2024-06-07 |
| Manufacturer's number | M1644 |
| Manufacturer's date | 2024-05-02 |
| Campaign id or software version | V 16.3.8.2 |
| NHTSA component | ELECTRICAL SYSTEM; POWER TRAIN; UNKNOWN OR OTHER; ENGINE |
NHTSA's summary
SERVICE BULLETIN M1644: BODY CONTROL MODULE (BCM) UPDATE: HARD START IN GEAR AND RIDE MODE FAULT. PURPOSE: This bulletin informs dealers that there is a Body Control Module (BCM) update available for: • 2023: CVO Street Glide (FLHXSE), CVO Road Glide(FLTRXSE) • 2024: Street Glide (FLHX), Road Glide (FLTRX), CVO Street Glide (FLHXSE), CVO Road Glide (FLTRXSE), CVO Road Glide ST (FLTRXSTSE) This update is to address a concern of Hard/No start while attempting to start a bike in gear while the clutch lever is pulled in. This update also addresses a Ride Mode fault after a quick ON/OFF/ON ignition cycle.
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, Engine, Transmission and driveline
| HARLEY-DAVIDSON FLHX | 2024 |
|---|---|
| HARLEY-DAVIDSON FLHXSE | 2023 to 2024 |
| HARLEY-DAVIDSON FLTRX | 2024 |
| HARLEY-DAVIDSON FLTRXSE | 2023 to 2024 |
| HARLEY-DAVIDSON FLTRXSTSE | 2024 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.