{"nhtsa_id":11034748,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-07-07","date":"2026-06-11","document_id":"M1490","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING; ENGINE; FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM","mfr_system":null,"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. 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