SERVICE BULLETIN
M1490

2025-04-15

M1490 (V 25.3.4): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES
Version 25.3.3.

Purpose for Service Bulletin

Release Date:

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

• Week of March 10, 2025
Changes

DIGITAL TECHNICIAN II (PART NUMBER: HD-48650)

• Touring ECM - Added DTC description for P250700

Markets Affected
All markets are affected.

• Updated Data Item lists for 2025 Right and Left Hand Control
Modules (R&LHCMs)

New Software Update

• 2025 Softail Electro Hydraulic Control Unit (EHCU) –
Descriptions added for Diagnostic Trouble Codes (DTCs)

NOTE
The TECHLINK 3 (PART NUMBER: HD-48650-TL3) supports
Controller Area Network (CAN) and J-1850 protocol vehicles.
• 6-pin CAN vehicles are recommended to use Techlink 3
(TL-3)
• All 2021 (and later) vehicles must use TL-3 (connects to Red
DLC on the vehicle)
• 4-pin (J-1850) vehicles are recommended to use TL-3. This
includes all Fuel Injected Harley-Davidson vehicles 2002
and later.
TECHLINK 3 (PART NUMBER: HD-48650-TL3) will not support
Buell, VDO and Magneti Marelli vehicles (4-pin DLC). Support
for those vehicles is available via TECHLINK II (PART
NUMBER: HD-48650-1).
For dealerships with firewall implementation, the URLs below
need to be white listed:
• https://hdpublicfacadesvc.bosch-automotive.com

• LiveWire S2 – Onboard Charger (OBC) – Updated DTC list
• Vehicle Setup – “Gear Indicator Calibration” applied to 2025
Softail and 2025 Street Glide Ultra (FLHXU)
• 2025 Softail (JPN) FLFB, FXBR – updated ECM Calibration
4100722D
• Vehicle Setup – Tire Pressure Monitoring System (TPMS)
– Updated tire selections to include 2025 Softail
• 2024-2025 Touring Hand Control Reflash Support for part
numbers: 71500715A, 71500713A

Version 25.2.4
Release Date:
• Week of February 11, 2025
Changes
• Added support 2025 Revolution® Max ‘MLY’ Vehicle
Identification Numbers (VINs)

Version 25.2.2.

• https://keycloak.bosch-automotive.com

Release Date:

Version 25.3.4

• Week of January 22, 2025

Release Date:

Changes

• Week of April 7, 2025

• Issue fixed for certain 2025 models that were not offered
ECM calibrations

Changes
• 2025 Pan America S and CVO Pan America (RA1250S/SE)Update Body Control Module (BCM) calibration to address
Diagnostic Trouble Code (DTC) C182215. Refer to Service
Bulletin M1682 for details.

Version 25.2.1
Release Date:
• Week of January 20, 2025

• Correct issue which caused Electronic Control Module (ECM)
reflash to fail on 2025 Street Bob (FXBB) (France 35kw)

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

New Features
• Support 2025: Street Glide Ultra (FLHXU), Heritage Classic
(FLHC), Fat Boy (FLFB), Breakout (FXBR), Street Bob
(FXBB), Low Rider S (FXLRS), Low Rider ST (FXLRST),
Sportster S (RH1250S), Pan America ST (RA1250ST), CVO
Pan America (RA1250SE), CVO Road Glide ST
(FLTRXSTSE), CVO Street Glide (FLHXSE), CVO Road
Glide (FLTRXSE), Pan America S (RA1250S), Nightster
(RH975), Nightster S (RH975S) (including Guided
Diagnostics)

Version 25.1.1
Release Date:
• Week of January 1, 2025
New Features
• Support 2025: Road King Special (FLHRXS), Street Glide
(FLHX), Road Glide (FLTRX), Tri-Glide Ultra (FLHTCUTG),
Freewheeler (FLRT), Road Glide 3 (FLTRT) (including
Guided Diagnostics)

• 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
• 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).

• Support 2025: LiveWire S2 Alpinista (S2AP)
• Reflash – EHCU: Support Parts and Accessories (P&A)
Inverted Fork offering for 2025 Road Glide (FLTRX) and
2024 Road Glide (FLTRX), Street Glide (FLHX)
• Infotainment Control Unit (IFCU) Customization: Support for
additional P&A speaker options
Changes
• S2 Models – Update Telematic Control Unit (TCU) reflash
procedure for additional robustness

Version 25.0.2
Release Date:
• Week of December 2, 2024
New Features
• Support for 2025 Police Electra Glide (FLHTP), Police Road
King (FLHP), Police Road Glide (FLTRXP) and Pan America
S (RA1250S)
• Module Replace – Now supports Hand Control for applicable
models
• Reflash – Hand Control – enabled for 2024 CVO Street Glide
(FLHXSE), CVO Road Glide (FLTRXSE), Street Glide
(FLHX), Road Glide (FLTRX), and CVO Road Glide ST
(FLTRXSTSE)
• LiveWire 2024 S2DM EV3: Updated calibration for (OBC,
Rechargeable Energy Storage System (RESS), Vehicle
Supervisory Controller (VSC), TCU) modules
Changes
• Update to Service Information Portal (SIP) URL

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

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M1490