# Service bulletin M1645

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: 11001305
- Published by NHTSA: 2024\-06\-07
- Manufacturer's number: M1645
- Manufacturer's date: 2024\-05\-01
- NHTSA component: UNKNOWN OR OTHER; ENGINE; ELECTRICAL SYSTEM

## NHTSA's summary

SERVICE BULLETIN M1645: ELECTRONIC CONTROL MODULE \(ECM\) UPDATE TO ADDRESS: ENGINE IDLE TEMPERATURE MANAGEMENT SYSTEM \(EITMS\) NOT FUNCTIONING. PURPOSE: This bulletin informs dealers that there is an Electronic Control Module \(ECM\) update available for the 2024 Street Glide \(FLHX\) and Road Glide \(FLTRX\). This update is to address an issue that the Engine Idle Temperature Management System \(EITMS\) can be turned ON but does not function as expected. After the ECM update is completed the EITMS feature will work as intended.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11001305-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11001305-9999.pdf)

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

## Components

Electrical system, Engine

## Vehicles listed

- 2024 HARLEY\-DAVIDSON FLHX
- 2024 HARLEY\-DAVIDSON FLTRX

JSON: [/v1/bulletins/11001305](/v1/bulletins/11001305)

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