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Service bulletin M1490

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10169952
Published by NHTSA2020-01-08
Manufacturer's numberM1490
Manufacturer's date2019-12-13
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

SERVICE BULLETIN M1490: DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: This bulletin informs dealers that Harley-Davidson has made a software update to DT II (Digital Technician II). DIGITAL TECHNICIAN II (PART NUMBER: HD-48650). New Software Update Version 20.7 Release Date: Week of December 16, 2019. New Features: 2020 LiveWire – RESS (Rechargeable Energy Storage System) and OBC (On-Board Charger) reflash offered & TCU (Telematic Control Unit) Customization – Update screens, text and DT II operation for improved usability. Changes: New URL (Uniform Resource Locator) in use: https://dtiidata.service-solutions.com, Verify new URL address is accessible by DT II device, Expand Speedometer Voltage fluctuation reflash offering to part no. 70900293A, and Extend 2020 vehicle Cloud Data connection attempts from 30 s to 60 s.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
HARLEY-DAVIDSON HARLEY-DAVIDSON

Listing a model year does not mean every vehicle of it is concerned: the document says which.