# Service bulletin M1717

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: 11028620
- Published by NHTSA: 2026\-02\-06
- Manufacturer's number: M1717
- Manufacturer's date: 2026\-01\-23
- NHTSA component: EXTERIOR LIGHTING; UNKNOWN OR OTHER; ELECTRICAL SYSTEM

## NHTSA's summary

SERVICE BULLETIN M1717: 2023\-2025 CENTER\-COOLED TOURING BODY CONTROL MODULE \(BCM\) UPDATE. PURPOSE: Initial Release. This bulletin informs dealers that there is a Body Control Module \(BCM\) update available for 2023\-2025 Center\-Cooled Touring models that contains reconfigured turn signal auto cancellation software. This update is only required in cases where there is a customer request related to the duration of turn signal auto cancellation, as certain rider movement by select riders can influence the turn signal cancellation duration. • This update will be available in Digital Technician II \(DT II\) software version \(26.2.1\) or later. • This update is to provide updated software for extending the duration of turn signal auto cancellation. Updated Software Version: • CALIBRATION: 16.5.43.2 • SOFTWARE: 16.5.11.2.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028620-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028620-9999.pdf)

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

## Components

Electrical system, Lighting

## Vehicles listed

- 2024 to 2025 HARLEY\-DAVIDSON FLHX
- 2023 to 2025 HARLEY\-DAVIDSON FLHXSE
- 2025 HARLEY\-DAVIDSON FLHXU
- 2024 to 2025 HARLEY\-DAVIDSON FLTRX
- 2025 HARLEY\-DAVIDSON FLTRXRRSE
- 2023 to 2025 HARLEY\-DAVIDSON FLTRXSE
- 2024 to 2025 HARLEY\-DAVIDSON FLTRXSTSE

JSON: [/v1/bulletins/11028620](/v1/bulletins/11028620)

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