# Service bulletin M1706

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: 11026197
- Published by NHTSA: 2025\-12\-05
- Manufacturer's number: M1706
- Manufacturer's date: 2025\-11\-22
- NHTSA component: ELECTRICAL SYSTEM; UNKNOWN OR OTHER

## NHTSA's summary

SERVICE BULLETIN M1706: 2025 SOFTAIL INSTRUMENT MODULE UPDATE. PURPOSE: Initial Release. This bulletin informs dealers that there is an update available for the 2025 Softail Instrument Module \(IM\). This update is intended to address two symptoms: Diagnostic Trouble Code \(DTC\) U014000 populating with no actual fault present, RPM display flashing. The update is available in Digital Technician II \(DT II\) version 26.0.1 or later.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026197-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026197-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

U0140

## 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/11026197](/v1/bulletins/11026197)

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