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January 23, 2026 Service bulletin

2023-2025 center-cooled touring body control module (BCM) update

Harley-Davidson technical service bulletin M1717 for 2024-2025 Harley-Davidson FLHX, 2024-2025 Harley-Davidson Fltrx and 2023-2025 Harley-Davidson Flhxse and others.

Bulletin number
M1717
Component
Unknown or other
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.

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