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June 11, 2026 Service bulletin

Digital technician II - updates and release notes

Livewire technical service bulletin M1490 for 2020 Livewire Livewire, 2023-2026 Livewire S2 Del Mar and 2024-2026 Livewire S2 Mulholland.

Bulletin number
M1490
Component
Power train
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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