LiveWire S2 Del Mar Service Bulletins (2024)
41 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 - March 5, 2026•Document ID: 11029740Service CampaignPOWER TRAIN; FUEL/PROPULSION SYSTEM; SERVICE BRAKES; VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM
- Mfr Comm. #:
- L1025
- Date Added:
- March 5, 2026
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN L1025: PRODUCT PROGRAM 1902 S2 ABS/EHCU MODULE CORRECTION. PURPOSE: Initial Release. This bulletin informs dealers that the Anti-lock Braking System / Electro -Hydraulic Control Unit (ABS EHCU) module on some S2 Del Mar and Mulholland vehicles have a software configuration that prevents them from being unlocked. This prevents the ability to perform an ABS service bleed and software updates. It does not affect the operation of Anti-lock Braking System (ABS). The update is applied by Digital Technician II (DT II) and will apply a seed and key to the Electro Hydraulic Control Unit (EHCU), which enables it to be unlocked via DT II or Firmware Over The Air (FOTA) update. The affected vehicles will also require an EHCU reflash following the update.
Associated Products (1)Associated Documents - December 13, 2025•Document ID: 11027536Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; POWER TRAIN; UNKNOWN OR OTHER; EXTERIOR LIGHTING
- Mfr Comm. #:
- L1023
- Date Added:
- January 9, 2026
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN L1023: 2024 S2 DEL MAR REPLACEMENT POWER ELECTRONICS UNIT (PEU) COLOR CHANGE. PURPOSE: Initial Release. The 2024 S2 Del Mar replacement Power Electronics Unit (PEU) will be changing color from silver to black. There is a black trim kit (Part No. 47201242 or 47201243) available to switch over silver components on a customer's motorcycle. This kit will be ordered in addition to the replacement PEU for motorcycles with silver trim.
Associated Products (1)Associated Documents - November 21, 2025•Document ID: 11026159Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; UNKNOWN OR OTHER
- Mfr Comm. #:
- L1021
- Date Added:
- December 5, 2025
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN L1021: TECH TIP 001 - S2 DEL MAR AC FILTER RUNNING CHANGE. PURPOSE: Initial Release. This bulletin informs dealers and technicians of a running change to the Alternating Current (AC) Filter on the 2024 S2 Del Mar (S2DM). Vehicles built prior to November 13, 2023 have a filter (Part No. 66000371) which has been superseded to (Part No. 66000371A). Replacing AC Filter (Part No. 66000371) will require additional parts and fasteners to install the superseded AC Filter (Part No. 66000371A).
Associated Products (1)Associated Documents - September 9, 2025•Document ID: 11022985Service CampaignEXTERIOR LIGHTING; ENGINE; UNKNOWN OR OTHER
- Mfr Comm. #:
- L1019
- Date Added:
- September 9, 2025
- Manufacturer:
- LIVEWIRE
SummaryPRODUCT PROGRAM COMMUNICATION L1019 DEALER LETTER: PRODUCT PROGRAM 1901 S2 TCU REPLACEMENT. PURPOSE: DEALER LETTER COMMUNICATING IMPORTANT PRODUCT PROGRAM INFORMATION, Product Program 1901, MY24 LiveWire® S2 TCU Software in support of SERVICE BULLETIN L1019: PRODUCT PROGRAM 1901 S2 TCU REPLACEMENT.
Associated Products (1)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 - March 26, 2025•Document ID: 11022988Service CampaignEXTERIOR LIGHTING; UNKNOWN OR OTHER; ENGINE
- Mfr Comm. #:
- L1019
- Date Added:
- September 9, 2025
- Manufacturer:
- LIVEWIRE
SummaryPRODUCT PROGRAM COMMUNICATION L1019 OWNER LETTER: PRODUCT PROGRAM 1901 S2 TCU REPLACEMENT. PURPOSE: Owner letter to LiveWire® S2 Motorcycle Owners indicating this notice applies to your motorcycle, VIN # and communicates important product program information for LiveWire Product Program # 1901, MY24 LiveWire® S2 TCU Software.
Associated Products (1)Associated Documents - March 26, 2025•Document ID: 11022983Service Bulletin/Repair InstructionsUNKNOWN OR OTHER; EXTERIOR LIGHTING; ENGINE
- Mfr Comm. #:
- L1019
- Date Added:
- September 9, 2025
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN L1019: PRODUCT PROGRAM 1901 S2 TCU REPLACEMENT. PURPOSE: LiveWire EV, LLC has identified that certain S2 motorcycles do not recognize the full connectivity benefit due to the lack of completion of regularly scheduled Firmware Over The Air (FOTA) updates. Certain S2 motorcycle’s Telematic Control Unit (TCU) that have not been updated to the latest software version which prevents full operation of the TCU and the motorcycle’s ability to receive FOTA updates will need to be inspected and the TCU replaced. Vehicle performance and safety are not affected. Additionally, there is an upcoming cloud update scheduled for August 31st, 2025, which will prevent motorcycles with these early TCU software versions from connecting to cloud services. If the affected vehicle's TCU is not updated by this time, connected service within the LiveWire S2 mobile app will cease to function.
Associated Products (1)Associated Documents - March 26, 2025•Document ID: 11016830Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; UNKNOWN OR OTHER
- Mfr Comm. #:
- L1019
- Date Added:
- April 8, 2025
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN L1019: PRODUCT PROGRAM 1901 S2 TCU REPLACEMENT. PURPOSE: LiveWire EV, LLC has identified that certain S2 motorcycles do not recognize the full connectivity benefit due to the lack of completion of regularly scheduled Firmware Over The Air (FOTA) updates. Certain S2 motorcycle’s Telematic Control Unit (TCU) that have not been updated to the latest software version which prevents full operation of the TCU and the motorcycle’s ability to receive FOTA updates will need to be inspected and the TCU replaced. Vehicle performance and safety are not affected. Additionally, there is an upcoming cloud update scheduled for August 31st, 2025, which will prevent motorcycles with these early TCU software versions from connecting to cloud services. If the affected vehicle's TCU is not updated by this time, connected service within the LiveWire S2 mobile app will cease to function.
Associated Products (1)Associated Documents - March 25, 2025•Document ID: 11022987Service CampaignEXTERIOR LIGHTING; UNKNOWN OR OTHER; ELECTRICAL SYSTEM
- Mfr Comm. #:
- L1019
- Date Added:
- September 9, 2025
- Manufacturer:
- LIVEWIRE
SummaryPRODUCT PROGRAM COMMUNICATION L1019 FAQ: PRODUCT PROGRAM 1901 S2 TCU REPLACEMENT. PURPOSE: DEALER LETTER COMMUNICATING FREQUENTLY ASKED QUESTIONS (FAQ) for Product Program 1901, MY24 LiveWire® S2 TCU Software in support of SERVICE BULLETIN L1019: PRODUCT PROGRAM 1901 S2 TCU REPLACEMENT.
Associated Products (1)Associated Documents - March 25, 2025•Document ID: 11022986Service CampaignELECTRICAL SYSTEM; UNKNOWN OR OTHER; EXTERIOR LIGHTING
- Mfr Comm. #:
- L1019
- Date Added:
- September 9, 2025
- Manufacturer:
- LIVEWIRE
SummaryPRODUCT PROGRAM COMMUNICATION L1019 DEALER LETTER: PRODUCT PROGRAM 1901 S2 TCU REPLACEMENT. PURPOSE: DEALER LETTER COMMUNICATING IMPORTANT PRODUCT PROGRAM INFORMATION, Product Program 1901, MY24 LiveWire® S2 TCU Software in support of SERVICE BULLETIN L1019: PRODUCT PROGRAM 1901 S2 TCU REPLACEMENT.
Associated Products (1)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 - December 14, 2024•Document ID: 11012698Service Bulletin/Repair InstructionsUNKNOWN OR OTHER; ELECTRICAL SYSTEM
- Mfr Comm. #:
- L1016
- Date Added:
- January 9, 2025
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN L1016 (REV C): S2 TCU UPDATE PROCEDURE FOR V4.0.6 AND EARLIER. PURPOSE: Revision C. This bulletin informs that this procedure should be followed when troubleshooting or updating Telematic Control Unit (TCU) software when version 4.0.6 or earlier is installed in the module. This procedure improves the likelihood of gaining and maintaining TCU connectivity, and reduces the need to replace the module. Revision C: Updated: Supplemental Procedure Video. Add video link.
Associated Products (1)Associated Documents - December 13, 2024•Document ID: 11022980Service Bulletin/Repair InstructionsUNKNOWN OR OTHER; ELECTRICAL SYSTEM; EXTERIOR LIGHTING
- Mfr Comm. #:
- L1016
- Date Added:
- September 9, 2025
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN L1016 (REV C): S2 TCU UPDATE PROCEDURE FOR V4.0.6 AND EARLIER. PURPOSE: Revision C. This bulletin informs that this procedure should be followed when troubleshooting or updating Telematic Control Unit (TCU) software when version 4.0.6 or earlier is installed in the module. This procedure improves the likelihood of gaining and maintaining TCU connectivity, and reduces the need to replace the module. Revision C: Updated: Supplemental Procedure Video. Add video link.
Associated Products (1)Associated Documents - November 23, 2024•Document ID: 11022979Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EXTERIOR LIGHTING; UNKNOWN OR OTHER
- Mfr Comm. #:
- L1016
- Date Added:
- September 9, 2025
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN L1016 (REV B): S2 TCU UPDATE PROCEDURE FOR V4.0.6 AND EARLIER. PURPOSE: Revision B. This bulletin informs that this procedure should be followed when troubleshooting or updating Telematic Control Unit (TCU) software when version 4.0.6 or earlier is installed in the module. This procedure improves the likelihood of gaining and maintaining TCU connectivity, and reduces the need to replace the module.. Revision B: Updated Step 9 and Credit table. Updated: Repair Procedure and Credit Procedure.
Associated Products (1)Associated Documents - November 22, 2024•Document ID: 11011629Service Bulletin/Repair InstructionsUNKNOWN OR OTHER; ELECTRICAL SYSTEM
- Mfr Comm. #:
- L1016
- Date Added:
- December 6, 2024
- Manufacturer:
- LIVEWIRE
SummarySERVICE BULLETIN L1016 (REV B): S2 TCU UPDATE PROCEDURE FOR V4.0.6 AND EARLIER. PURPOSE: Revision B. This bulletin informs that this procedure should be followed when troubleshooting or updating Telematic Control Unit (TCU) software when version 4.0.6 or earlier is installed in the module. This procedure improves the likelihood of gaining and maintaining TCU connectivity, and reduces the need to replace the module.. Revision B: Updated Step 9 and Credit table. Updated: Repair Procedure and Credit Procedure.
Associated Products (1)Associated Documents