# Service bulletin M1707

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: 11027550
- Published by NHTSA: 2026\-01\-09
- Manufacturer's number: M1707
- Manufacturer's date: 2025\-12\-10
- NHTSA component: EXTERIOR LIGHTING; VEHICLE SPEED CONTROL; UNKNOWN OR OTHER; SUSPENSION; ELECTRICAL SYSTEM

## NHTSA's summary

SERVICE BULLETIN M1707 \(REV A\): 2025 SOFTAIL BCM UPDATE. PURPOSE: Revision A. This bulletin informs dealers that there is a Body Control Module \(BCM\) update available for 2025 Softail models. This update will be available in Digital Technician II \(DT II\) version 26.0.1 or later. This update is to address a number of concerns and also provide functional improvements. Revision A: Updated: Vehicles Affected. Add 2026 Softail models \(Until Build Date of December 15, 2025\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11027550-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11027550-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Lighting, Suspension, Throttle and cruise control

## Vehicles listed

- 2025 HARLEY\-DAVIDSON FLFB
- 2025 HARLEY\-DAVIDSON FLHC
- 2025 HARLEY\-DAVIDSON FLSTFI
- 2025 HARLEY\-DAVIDSON FXBB
- 2025 HARLEY\-DAVIDSON FXBR
- 2025 HARLEY\-DAVIDSON FXLRS
- 2025 HARLEY\-DAVIDSON FXLRST

JSON: [/v1/bulletins/11027550](/v1/bulletins/11027550)

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