M1490

2021-03-26

M1490: DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES
• Support for 2021 Pan America

Purpose for Service Bulletin

• Vehicle Identification Number (VIN) entries

This bulletin informs dealers that Harley-Davidson has made
a software update to Digital Technician II (DT II).

• DTC support
• Data items / System info support

DIGITAL TECHNICIAN II (PART NUMBER: HD-48650)

• Active test support

Markets Affected

• ECM, Electro Hydraulic Control Unit (EHCU) calibrations
(technician mode)

All markets are affected.

• Support motorcycle condition report

New Software Update

• Vehicle setup

Version 21.3

• Personal Identification Number (PIN) assignment

Release Date:

• Heated grip enable/disable

• Week of March 29, 2021

• BCM customization

New Features:

• BCM replacement

• Guided diagnostics support for Pan America.

• Restore module to Original Equipment (OE) settings

Changes:

• Lighting options

• Diagnostic Trouble Code (DTC) Extended data – Odometer
values corrected on the 2021 Electronic Control Module
(ECM).

• Anti-lock Braking System (ABS) service date

• Body Control Module (BCM) Customization – Side car option
now supported for Police vehicles

• Suspension calibration (Adaptive Ride Height (ARH))

• Fob assignment
• Tire Pressure Monitoring System (TPMS) support

• BCM – Data Items – Pan America – removed items which
are not supported at this time

• Tire size selections
• Sensor assignment

• 2021 FLHTCUTG – Correct speedometer display issue after
ECM reflash

• Instrument replacement

NOTE
2021 vehicles must use TECHLINK 3 (PART NUMBER:
HD-48650-TL3) (connects to Red Data Link Connector (DLC)
on the vehicle).

• Module replace
• Gear position (Fast) learn procedure
• Support to disable Fuel pump on Pan America

Previous Software Updates

Changes:

Version 21.2
New Features:

• 2021 - Touring/Trike ECM calibrations - updated to ensure
proper operation of the Parts and Accessories (P&A) chassis
fan when installed. Refer to PAB1110.

• Techlink 3 (TL-3) now supports Road Test on Controller
Area Network (CAN) protocol vehicles.

• Vehicle setup
• Chassis fan

• Requires TL-3 firmware update 9.0.943.51

• Correct issue to offer to 2021 Trikes

NOTE
In the interest of preserving customer safety and satisfaction, always check for outstanding recalls whenever any motorcycle is brought into your dealership for either maintenance or service.
ROUTING

INITIAL HERE

SERVICE
MANAGER

SALES MANAGER PARTS MANAGER

WARRANTY
PROCESS
MANAGER

LEAD TECHNICIAN TECHNICIAN NO. 1 TECHNICIAN NO. 2 TECHNICIAN NO. 3 RETURN THIS TO

• LiveWire – Vehicle Supervisory Controller (VSC) –
Electrically Erasable Programmable Read Only Memory
(EEPROM) error notification in vehicle status

NOTE
2021 vehicles must use TECHLINK 3 (PART NUMBER:
HD-48650-TL3) (connects to Red DLC on the vehicle).

• Techlink 3 will not support Harley-Davidson Buell, Vereinigte
DEUTA–OTA (VDO) and Magneti Marelli vehicles (4-pin
DLC). Support for those vehicles is available via TECHLINK
II (PART NUMBER: HD-48650-1).
• 2021 vehicles must use TECHLINK 3 (PART NUMBER:
HD-48650-TL3) (connects to Red DLC on the vehicle).

Digital Technician™ II
Version 21.1
New Features:
• Provide support for 2021 vehicles: FLHRXS, FLHXS,
FLTRXS, FLFBS, FXBBS, FLHXSE, FLHTKSE, FLTRXSE,
FLHTCUTGSE
• VIN support
• Reflash
• System info/date items
• Active diagnostics

• The Digital Technician II software version updates are
automatic and occur while connected to the Internet.
• If an internet connection is lost, the download continues from
where it stopped.
• If the Digital Technician II software is open, the application
prompts the user to exit before the install can continue.
• All Digital Technician II software updates are deployed
automatically via the XMS agent software and require a
minimum model year software version (example: Model Year
2021 = minimum version v21.0).

• Guided diagnostics
• Diagnostic Trouble Codes (DTCs)
• Provide support for Bluetooth dongle (BTD).

Changes:
• Update 2021 Guided Diagnostics to correct for missing
pictures and wiring diagrams.
• Correct motorcycle condition report for 2021 Trike hot idle
temperature.

NOTE
2021 vehicles must use TECHLINK 3 (PART NUMBER:
HD-48650-TL3) (connects to Red DLC on the vehicle).

Version 21.00
New Features:
• Provide support for 2021 vehicles.
• VIN support
• Reflash
• System info/date items
• Active diagnostics
• Guided diagnostics
• DTCs
• Provide support for "Harley-Davidson Audio" equipped
vehicles.
• Add refresh button on toolbar to allow user to re-scan for
modules.

Changes:
• N/A

Required Dealer Action
Techlink
• The TECHLINK 3 (PART NUMBER: HD-48650-TL3) will
support CAN protocol vehicles (6-pin DLC) at launch. J-1850
protocol (4-pin DLC) support is planned for early 2020.

2/2

M1490