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June 11, 2026 Service bulletin

Digital technician II - updates and release notes. purpose

Harley-Davidson technical service bulletin M1490 for 2016-2019 Harley-Davidson Flhtcu, 2016-2026 Harley-Davidson FLHX and 2016-2024 Harley-Davidson Flhtk and others.

Bulletin number
M1490
Component
Engine
Summary
SERVICE BULLETIN M1490 (V 26.7.3): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: Revision. This bulletin informs dealers that Harley-Davidson has made a software update to Digital Technician II (DT II). DIGITAL TECHNICIAN II (PART NUMBER: HD-48650). Version 26.7.3. Release Date:• Week of June 11, 2026. NOTE Software version (26.4.3) will need to be manually installed only if current software version of DT II is (26.0.2). After (26.4.3) is manually installed, automatic updates will bring DT II to the latest software version. Refer to bulletin M1713 for instructions.

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