LiveWire LiveWire One Service Bulletins
9 manufacturer communications on file.
- July 25, 2026•Document ID: 11035940Service Bulletin/Repair InstructionsPOWER TRAIN; ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL; WHEELS; FUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- M1490
- Date Added:
- August 6, 2026
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN M1490 (V 26.8.3): 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 Version 26.8.3, Release Date: Week of July 24, 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. New Features - Harley-Davidson: 2023-2024 Touring: Updated Electronic Control Module (ECM) calibration offerings. LiveWire: S2DM/MH/AP: Calibration bundle 10.2.28: Telematic Control Unit (TCU) reflash updates. Change: Vehicle Setup: Body Control Module (BCM) – Tire Pressure Monitoring System (TPMS) Replacement: Correct issue where tire size selections were not available. System Info – Auxiliary Load Controller (ALC): Added Bike configuration field. Data Items – Trike ECM: Improved display of Gear Position when in reverse. Amp – Added support for (Part No. 76001619).
Associated Products (4)Associated Documents - June 11, 2026•Document ID: 11034747Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; POWER TRAIN; FUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- M1490
- Date Added:
- July 7, 2026
- Manufacturer:
- LIVEWIRE
SummarySERVICE 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.
Associated Products (4)Associated Documents - April 24, 2026•Document ID: 11032453Service Bulletin/Repair InstructionsFUEL/PROPULSION SYSTEM; ENGINE; VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM; POWER TRAIN
- Mfr Comm. #:
- M1490
- Date Added:
- May 8, 2026
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN M1490 (V 26.6.2): 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 26.6.2. Release Date: Week of April 22, 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. New Features: 2026 Police • Vehicle Setup: Civilianize; LiveWire • S2: Del Mar (S2DM), Mulholland (S2MH), Alpinista (S2AP) - Calibration bundle 10.2.20: Vehicle Supervisory Controller (VSC) and Onboard Charger (OBC) reflash updates. Changes: 2026 Trike • Update “Reverse Lockout Reason” resize column.
Associated Products (4)Associated Documents - April 8, 2026•Document ID: 11031146Service Bulletin/Repair InstructionsPOWER TRAIN; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; UNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- M1490
- Date Added:
- April 8, 2026
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN M1490 (V 26.5.2): 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 26.5.2 Release Date: Week of March 30, 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. New Features. 2024: Pan America (RA1250), Pan America Special (RA1250S), CVO Pan America (RA1250SE) • Updated Body Control Module (BCM) reflash calibration. 2024-2026: CVO Road Glide ST (FLTRXSTSE) • Updated Electronic Control Module (ECM) reflash calibration. 2026: CVO Street Glide ST (FLHXSTSE) • Updated ECM reflash calibration. Changes. 2026 Trike • Update “Reverse Lockout Reason” to support new values, • “Vehicle setup: Gear Indicator Calibration” – improve operation. 2025-2026 Softail • Update reflash for Softail Speedometer (SPDO) – enable operation of auxiliary lamp telltale. LiveWire S2 • Provide reflash support for Vehicle Supervisory Controller (VSC) hardware (Part No. 41001756RE).
Associated Products (4)Associated Documents - March 1, 2025•Document ID: 11015434Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; UNKNOWN OR OTHER
- Mfr Comm. #:
- M1555
- Date Added:
- March 8, 2025
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN M1555 (REV G): BATTERY WARRANTY GUIDELINES. PURPOSE: [Revision G: Updated: Information on Battery. Update section headers: AGM and Lithium-Ion Batteries.] This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty.
Associated Products (2)Associated Documents - October 11, 2024•Document ID: 11010221Warranty Program/ExtensionUNKNOWN OR OTHER; WHEELS
- Mfr Comm. #:
- W146
- Date Added:
- November 7, 2024
- Manufacturer:
- LIVEWIRE
SummaryWARRANTY BULLETIN W146 (REV B): TIRE TREAD DEPTH GUIDE-UPDATE. PURPOSE: [Revision B. Updated: Tire Tread Depth Guide. Add tire part numbers 43200063 and 43200038A.] To provide tire tread depth specifications for the dealership network to consult when filling warranty claims on used tires. Please see the Warranty Manual of your region for tire policy guidelines. Updated: Tire Tread Guide. Add tire part number 43100038B. Update tire tread depth, adjustment and reimbursement.
Associated Products (2)Associated Documents - October 9, 2024•Document ID: 11010215Warranty Program/ExtensionUNKNOWN OR OTHER; ELECTRICAL SYSTEM
- Mfr Comm. #:
- M1555
- Date Added:
- November 7, 2024
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN M1555 (REV F): BATTERY WARRANTY GUIDELINES. PURPOSE: [Revision F. Added: Added video link for the DCA-8000 Battery Tester. Added: Supplemental Procedure Video.] This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty.
Associated Products (2)Associated Documents - August 8, 2024•Document ID: 11007544Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; UNKNOWN OR OTHER
- Mfr Comm. #:
- M1490
- Date Added:
- September 9, 2024
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN M1490 (V 24.8.8): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: 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 24.8.8. Release Date: Week of August 5, 2024. New Features for Harley-Davidson vehicles: Advanced Module Replace for 2021 and later Revolution Max; 2023 and later CVO Touring; and 2024 Street Glide (FLHX), Road Glide (FLTRX). New Features for LiveWire vehicles: Updated calibrations for 2024 S2DM EV1/ EV6; 2024 S2MH EV1; and 2024 S2DM, S2MH. Changes: Added Hand Control Module (HCM) (Part No. 71500522A and 71500536A) for reflash support.
Associated Products (2)Associated Documents - June 13, 2024•Document ID: 11003851Service Bulletin/Repair InstructionsUNKNOWN OR OTHER; ELECTRICAL SYSTEM
- Mfr Comm. #:
- M1490
- Date Added:
- July 9, 2024
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN M1490 (V 24.7.2): DIGITAL TECHNICIAN II - UPDATES AND RELEASE NOTES. PURPOSE: 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 24.7.2 Release Date: Week of June 12, 2024. New Features: 2024 Touring, LiveWire S2DM EV3, LiveWire S2DM, S2MH. Changes: Added Hand Control Module (HCM) (Part No. 71500522A and 71500536A) for reflash support.
Associated Products (2)Associated Documents