# Service bulletin M1625

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: 10249807
- Published by NHTSA: 2024\-02\-06
- Manufacturer's number: M1625
- Manufacturer's date: 2024\-01\-26
- NHTSA component: EQUIPMENT; ELECTRICAL SYSTEM

## NHTSA's summary

SERVICE BULLETIN M1625 \(REV B\): SKYLINE OS AND AMPLIFIER SOFTWARE UPDATE FOR 2024. PURPOSE: This bulletin informs dealers that there is a Skyline™ OS update and Amplifier update available for the 2024 Touring bikes equipped with an Infotainment Control Unit \(IFCU\). The vehicle's IFCU leaving the Harley\-Davidson manufacturing facility will have Skyline™ OS \(Software version 240002100D\) installed and will need to be updated to Skyline™ OS \(Software version 240002111D\). Amplifiers will have \(Software version 1.3.3.0\) installed and also need to be updated to \(Software version 1.3.8.0\). These updates combine to contain bug fixes to Embedded Navigation, Apple CarPlay® and the Audio System.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10249807-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10249807-9999.pdf)

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

## Components

Electrical system, Equipment and accessories

## Vehicles listed

- 2024 HARLEY\-DAVIDSON FLHX
- 2024 HARLEY\-DAVIDSON FLHXSE
- 2024 HARLEY\-DAVIDSON FLTRX
- 2024 HARLEY\-DAVIDSON FLTRXSE
- 2024 HARLEY\-DAVIDSON FLTRXSTSE

JSON: [/v1/bulletins/10249807](/v1/bulletins/10249807)

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