LiveWire S2 Alpinista Service Bulletins
6 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 7, 2026•Document ID: 11031139Service Bulletin/Repair InstructionsUNKNOWN OR OTHER; ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM
- Mfr Comm. #:
- L1026
- Date Added:
- April 8, 2026
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN L1026: TECH TIP 002 - S2 12 VOLT BATTERY BEST PRACTICES. PURPOSE: Initial Release. This bulletin informs dealers of best practices for diagnosing a LiveWire S2 vehicle that presents a depleted or fully-discharged 12 V battery and making sure contributing issues are identified. Use this bulletin’s troubleshooting guidance to help identify contributing issues affecting 12 V battery health. A depleted or fully discharged 12v battery may be the result of other systems or components affecting 12 V battery health. Or it may be the result of expected behavior relating to certain conditions the 12 V battery was exposed.
Associated Products (3)Associated Documents - August 9, 2025•Document ID: 11022975Service Bulletin/Repair InstructionsUNKNOWN OR OTHER; FUEL/PROPULSION SYSTEM; POWER TRAIN
- Mfr Comm. #:
- L1020
- Date Added:
- September 9, 2025
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN L1020: S2 COOLING SYSTEM FILL AND BLEED TIPS. PURPOSE: Initial Release. This bulletin provides dealers with best practices for filling and bleeding the cooling system on S2 models after component replacement. This can help prevent customer vehicle returns due to unpurged air in the cooling system. The most common symptom of this is the turtle icon illuminating on the instrument module after only a few minutes of riding.
Associated Products (3)Associated Documents