{"nhtsa_id":11034747,"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":"FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; POWER TRAIN","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. Refer to bulletin M1713 for instructions.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034747-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034747-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034747","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LIVEWIRE","model":"LIVEWIRE","year_from":2020,"year_to":2020,"match":"exact","vehicle_ids":["2020_livewire_livewire"]},{"make":"LIVEWIRE","model":"LIVEWIRE ONE","year_from":2021,"year_to":2024,"match":"exact","vehicle_ids":["2021_livewire_livewire-one","2022_livewire_livewire-one","2023_livewire_livewire-one","2024_livewire_livewire-one"]},{"make":"LIVEWIRE","model":"S2 ALPINISTA","year_from":2025,"year_to":2026,"match":"exact","vehicle_ids":["2025_livewire_s2-alpinista","2026_livewire_s2-alpinista"]},{"make":"LIVEWIRE","model":"S2 DEL MAR","year_from":2023,"year_to":2026,"match":"exact","vehicle_ids":["2023_livewire_s2-del-mar","2024_livewire_s2-del-mar","2025_livewire_s2-del-mar","2026_livewire_s2-del-mar"]},{"make":"LIVEWIRE","model":"S2 MULHOLLAND","year_from":2024,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"LIVEWIRE","model":"S4 HONCHO STREET","year_from":2027,"year_to":2027,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"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.","attribution":[]}