2025 Harley-Davidson Fltrx Technical Service Bulletins

40 technical service bulletins (TSBs) are on record for the 2025 Harley-Davidson Fltrx. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11037861Sep 17, 2026Transmission and drivetrain, Other or unknown, Electrical system, Fuel system…. SERVICE BULLETIN M1490 (V 26.9.4): 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). New Software Update. NOTE: The TECHLINK 3 (PART NUMBER: HD-48650-TL3) supports Controller Area Network (CAN) and J-1850 protocol vehicles.
• 11036569Aug 13, 2026Other or unknown, Electrical system, Fuel system, Engine, Transmission and…. SERVICE BULLETIN M1700 (REV B): IGNITION COIL HARNESS REPAIR KIT FOR CENTER-COOLED VEHICLES. PURPOSE: Revision B. Purpose for Service Bulletin: NOTE The repair in the bulletin DOES NOT qualify for Emissions therefore EMS claims will not be accepted. This bulletin informs dealers that there is an Ignition Coil Harness Repair Kit (Part No. 69203885) available in the event that there is damage found to the wire…
• 11036582Aug 4, 2026Exterior lighting, Other or unknown. SERVICE BULLETIN M1735: 2023 TO 2026 CENTER-COOLED TOURING LICENSE PLATE LIGHT HOLDER. Purpose: Initial release. This bulletin informs dealers that a running change has occurred that impacts the design and assembly of the Touring license plate light cover. See Figure 1.
• 11035941Jul 25, 2026Engine, Wheels, Vehicle speed control, Electrical system, Transmission and…. SERVICE 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…
• 11034750Jun 30, 2026Engine, Other or unknown, Electrical system. SERVICE BULLETIN M1700 (REV A): IGNITION COIL HARNESS REPAIR KIT FOR CENTER-COOLED VEHICLES. PURPOSE: Revision. Purpose for Service Bulletin: This bulletin informs dealers that there is an Ignition Coil Harness Repair Kit (Part No. 69203885) available in the event that there is damage found to the wire harness branch that goes to the Ignition Coil. See Figure 1.
• 11034748Jun 11, 2026Fuel system, Electrical system, Exterior lighting, Engine. SERVICE 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…
• 11033448May 29, 2026Other or unknown, Electrical system. SERVICE BULLETIN M1715 (REV C): SKYLINE OS VERSION 5057D SOFTWARE UPDATE. PURPOSE: Revision. NOTE: Service Bulletin M1715 supersedes M1666. Repairs made to vehicles after April 8, 2026 following M1666 will not be accepted through warranty. Warranty claims on repairs made prior to April 8, 2026 will be accepted following standard claim submission policy and process.
• 11032452Apr 24, 2026Transmission and drivetrain, Electrical system, Vehicle speed control, Engine…. SERVICE 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…
• 11032457Apr 17, 2026Transmission and drivetrain, Vehicle speed control, Other or unknown, Engine…. SERVICE BULLETIN M1722 (REV A): EXHAUST SMOKE, OIL CARRY-OVER OR MILKY OIL (M8 MODELS WITH TRANSMISSION-MOUNTED BREATHER). PURPOSE: Revision A. Purpose for Service Bulletin. This bulletin informs dealers about: • The cause and effects of moisture in engine oil. • Service Manual troubleshooting updates for Milwaukee-Eight engines with the transmission-mounted breather, that have symptoms of moisture in oil and the…
• 11032454Apr 10, 2026Electrical system, Vehicle speed control, Other or unknown. SERVICE BULLETIN M1715 (REV B): SKYLINE OS VERSION 5057D SOFTWARE UPDATE. PURPOSE: Revision. Updated: Purpose for Service Bulletin. Date Change: April 8 was April 24. Note added. NOTE: Service Bulletin M1715 supersedes M1666. Repairs made to vehicles after April 8, 2026 following M1666 will not be accepted through warranty. Warranty claims on repairs made prior to April 8, 2026 will be accepted following standard…
• 11031147Mar 31, 2026Electrical system, Vehicle speed control, Other or unknown, Engine, Fuel system. SERVICE 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…
• 11031167Mar 14, 2026Engine, Other or unknown. SERVICE BULLETIN M1679: AFTERMARKET EXHAUST HEADER DEBRIS. PURPOSE: Initial release. This bulletin informs dealers that Harley-Davidson has identified instances of premature engine failure due to abrasive particle wear, specifically from debris inside new aftermarket exhaust headers.
• 11031171Mar 10, 2026Electrical system, Other or unknown. SERVICE BULLETIN M1715 (REV A): SKYLINE OS VERSION 5057D SOFTWARE UPDATE. PURPOSE: Initial release 3/9/2026. Revision A. 3/24/2026. Updated: Purpose for Service Bulletin. Added supersession note regarding M1666. Purpose for Service Bulletin. NOTE Service Bulletin M1715 supersedes M1666. Repairs made to vehicles after April 24, 2026 following M1666 will not be accepted through warranty.
• 11029728Feb 25, 2026Other or unknown, Electrical system. SERVICE BULLETIN M1713 (REV C): DTII UPDATE PROCEDURE FOR SOFTWARE VERSION (26.4.3). PURPOSE: Revision C. This bulletin informs dealers that an issue was discovered in the Digital Technician II (DT II) software version (26.0.2), released on November 18, 2025. The issue prevents automatic software updates to be installed on your DT II computer.
• 11029727Feb 25, 2026Electrical system, Other or unknown. SERVICE BULLETIN M1490 (V 26.4.3): 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 26.4.3 Release Date: Week of February 25, 2026. NOTE: Software version (26.4.3) will need to be manually installed only if current software…
• 11029737Feb 13, 2026Electrical system, Other or unknown. SERVICE BULLETIN PAB1177: HARLEY-DAVIDSON AUDIO POWERED BY ROCKFORD FOSGATE P&A WIRING SCHEMATICS. PURPOSE: Initial Release. This bulletin informs dealers and technicians that there are Parts and Accessories (P&A) Wiring Schematics for Harley-Davidson Audio Powered by Rockford Fosgate components. Schematics are available for both Non Center-Cooled and Center-Cooled models.
• 11028618Jan 28, 2026Engine, Transmission and drivetrain, Electrical system, Other or unknown, Fuel…. SERVICE BULLETIN M1713 (REV B): DTII UPDATE PROCEDURE FOR SOFTWARE VERSION (26.3.2). PURPOSE: Revision B. This bulletin informs dealers that an issue was discovered in the Digital Technician II (DT II) software version (26.0.2), released on November 18, 2025. The issue prevents automatic software updates to be installed on your DT II computer.
• 11028615Jan 28, 2026Other or unknown, Electrical system, Vehicle speed control, Engine, Fuel system. SERVICE BULLETIN M1490 (V 26.3.2): 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 26.3.2. Release Date: Week of January 28, 2026. NOTE Software version (26.3.2) will need to be manually installed only if current software version…
• 11028624Jan 23, 2026Other or unknown, Electrical system. GENUINE MOTOR PARTS AND ACCESSORIES BULLETIN PAB1175: LOWER FAIRING AND TOUR-PAK SPEAKER CONFIGURATION. PURPOSE: Initial Release. This bulletin informs dealers that due to a delay in the release of Skyline™ OS software version (260005054D), the installation of Parts and Accessories (P&A) audio speakers in the Fairing Lowers and Tour-Pak will require an amplifier update to software version (1610).
• 11028620Jan 23, 2026Other or unknown, Exterior lighting, Electrical system. SERVICE BULLETIN M1717: 2023-2025 CENTER-COOLED TOURING BODY CONTROL MODULE (BCM) UPDATE. PURPOSE: Initial Release. This bulletin informs dealers that there is a Body Control Module (BCM) update available for 2023-2025 Center-Cooled Touring models that contains reconfigured turn signal auto cancellation software.
• 11027551Dec 18, 2025Electrical system. SERVICE BULLETIN M1713: DTII UPDATE PROCEDURE FOR SOFTWARE VERSION (26.1.5). PURPOSE: Initial Release. This bulletin informs dealers that an issue was discovered in the Digital Technician II (DT II) software version (26.0.2), released on November 18, 2025. The issue prevents automatic software updates to be installed on your DT II computer. A manual installation of the latest DT II software version (26.1.5) will…
• 11027538Dec 18, 2025Other or unknown, Electrical system, Wheels. SERVICE BULLETIN M1490 (V 26.1.5): 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). New Software Update Version 26.1.5. Release Date: Week of December 15, 2025. NOTE: Software version (26.1.5) will need to be manually installed. Refer to…
• 11026163Nov 18, 2025Other or unknown, Electrical system. SERVICE BULLETIN M1490 (V 26.0.2): 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). New Software Update Version 26.0.2. Release Date: Week of November 18, 2025. New Features, Changes. 2026 Vehicles, 2025 Softail and LiveWire S2DM/MH/AP EV3.
• 11025169Oct 31, 2025Wheels. WARRANTY BULLETIN W146 (REV C): TIRE TREAD DEPTH GUIDE-UPDATE. PURPOSE: [Revision C. Updated: Tire Tread Depth Guide. Add tire part numbers 43100063, 43200035,43100029A, 43100033A and 43200045A.] 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.
• 11025167Oct 28, 2025Electrical system, Other or unknown. SERVICE BULLETIN M1391A (REVU): MIDTRONICS GRX-3110 AND DCA-8000 SOFTWARE. PURPORSE: Revision U. The purpose of this bulletin is to inform the dealer network that a software update to the GRX-3110 and DCA-8000 is now available. DYNAMIC DIAGNOSTIC CHARGER SYSTEM (PART NUMBER: DCA-8000). [Rev U] Added: Description of improvements made to the testing algorithm for GRX software Version P and DCA-8000 software Version E.
• 11025168Oct 25, 2025Electrical system, Other or unknown. GENUINE MOTOR PARTS AND ACCESSORIES BULLETIN PAB1171 (REV B): SOFTWARE UPDATE FOR SCREAMIN EAGLE PRO STREET TUNER. PURPOSE: Revision B. Updated: Summary. The App has returned to the Apple App Store. This bulletin informs dealers that a recent software update to the Screamin' Eagle Pro Street Tuner application will require the use of a Personal Computer (PC) to complete a Bluetooth Communication Interface (BCI)…
• 11023967Sep 6, 2025Other or unknown, Electrical system. SERVICE BULLETIN M1490 (V 25.8.9): 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). New Software Update Version 25.8.9 Release Date: Week of September 2, 2025. Changes: LiveWire 2024 S2MH: Removal of incorrect Electro Hydraulic Control…
• 11022971Aug 29, 2025Suspension, Brakes, Vehicle speed control, Engine, Transmission and drivetrain. SERVICE BULLETINM1687 (REV A): 2025 CVO ROAD GLIDE RR INITIAL CARE. PURPOSE: Revision A . Updated: Required Dealer Action. Extend Initial Care. This bulletin informs dealers about the 2025 CVO Road Glide RR (FLTRXRRSE) Initial Care program. Harley-Davidson Initial Care program for the recently introduced 2025 CVO Road Glide RR Motorcycle. Warranty Pre-authorization from Technical Service is required for Warranty…
• 11022973Aug 26, 2025Electrical system, Engine. SERVICE BULLETIN M1700: IGNITION COIL HARNESS REPAIR KIT FOR CENTER-COOLED VEHICLES. PURPOSE: Initial Release. Purpose for Service Bulletin: This bulletin informs dealers that there is an Ignition Coil Harness Repair Kit (Part No. 69203885) available in the event that there is damage found to the wire harness branch that goes to the Ignition Coil. See Figure 1. If any of the four wires going to connector [83B]…
• 11022968Aug 26, 2025Electrical system, Other or unknown. SERVICE BULLETIN M1490 (V 25.8.7): 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). New Software Update Version 25.6.4, Release Date: Week of August 19, 2025. Includes New Features and Changes for the Models & Model Years listed.
• 11022942Aug 26, 2025Electrical system, Other or unknown. SERVICE BULLETIN M1391A (REV T): MIDTRONICS GRX-3110 AND DCA-8000 SOFTWARE. PURPORSE: Revision T. The purpose of this bulletin is to inform the dealer network that a software update to the GRX-3110 and DCA-8000 is now available. DYNAMIC DIAGNOSTIC CHARGER SYSTEM (PART NUMBER: DCA-8000). [Rev T] Updated: New Software Update, Previous Software Updates and DCA-8000. Added: 192-210335P. Software update 192-210335P for…
• 11022969Aug 16, 2025Electrical system, Other or unknown. SERVICE BULLETIN M1684: MARKET SPECIFIC BATTERY INTRODUCTION. PURPOSE: Initial Release. This bulletin informs dealers of the availability of new batteries for new Original Equipment (OE) vehicle production and in the Parts and Accessories (P&A) catalog. Availability of the new Absorbed Glass Mat (AGM) batteries will vary by market and will be transitioning over the next few months. NOTE: The ring terminal screws…
• 11021208Jul 17, 2025Other or unknown, Engine. SERVICE BULLETIN M1698: BILL OF MATERIALS CHANGE FOR CENTER-COOLED WARRANTY REPLACEMENT ENGINES. PURPOSE: Initial release. This bulletin informs dealers that starting on August 1, 2025, the Milwaukee-Eight Center-Cooled Direct Ship Warranty engines will not come with the decorative camshaft cover or Variable Valve Timing (VVT) solenoid. This involves all: • Non-VVT equipped Touring and Softail models • VVT solenoid…
• 11020178Jun 17, 2025Brakes, Electrical system. SERVICE BULLETIN M1691: LINKED BRAKING FUNCTIONAL IMPROVEMENT. PURPOSE: Initial Release. This bulletin inform dealers that there is an Electro Hydraulic Control Unit (EHCU) update available. This update is to improve functionality of the Linked Braking System. Linked Braking allows for more balanced front and rear braking under a wide variety of brake applications.
• 11020179Jun 13, 2025Other or unknown, Transmission and drivetrain, Engine. SERVICE BULLETIN M1696: 2025 CVO ROAD GLIDE RR (FLTRXRRSE) CLUTCH INSPECTION COVER CHANGE. PURPOSE: Initial Release. This bulletin informs dealers that the Clutch Inspection Cover on 2025 CVO Road Glide RR (FLTRXRRSE) models has been changed from the original released version with painted accents (Part No. 25702011) to one without painted accents (Part No. 25702011A) as part of a running change.
• 11020177Jun 2, 2025Suspension. SERVICE BULLETIN M1690: 2025 CVO ROAD GLIDE RR (FLTRXRRSE) ÖHLINS FORK AND SHOCK SERVICE. PURPOSE: Initial Release. This bulletin informs dealers that servicing the Öhlins front forks and rear shocks found on the 2025 CVO Road Glide (FLTRXRRSE) requires specialized training and tools which are only available through Öhlins Certified Service Centers.
• 11019404May 17, 2025Suspension, Electrical system, Exterior lighting, Transmission and drivetrain…. SERVICE BULLETIN M1687: 2025 CVO ROAD GLIDE RR INITIAL CARE. PURPOSE: Initial release. This bulletin informs dealers about the 2025 CVO Road Glide RR (FLTRXRRSE) Initial Care program. Harley-Davidson Initial Care program for the recently introduced 2025 CVO Road Glide RR Motorcycle. Warranty Pre-authorization from Technical Service is required for Warranty related to repairs with part numbers listed in the below…
• 11019402May 6, 2025Transmission and drivetrain, Electrical system, Vehicle speed control, Engine…. SERVICE BULLETIN M1685: CUSTOM RIDE MODE SETTINGS NOT SAVING ON SKYLINE OS. PURPOSE: Initial Release. This bulletin informs dealers that when the Infotainment Control Unit (IFCU) is set to certain languages, any changes made to a custom ride mode will not save. This concern is found in 6 of the languages offered on the IFCU: Danish, Dutch, French (France), German, Japanese, Russian. Using any of the other 27…
• 11018153Apr 25, 2025Electrical system, Other or unknown. SERVICE BULLETIN M1683: INFOTAINMENT CONTROL UNIT (IFCU) MISSING WIFI MENU AND EMBEDDED NAVIGATION. PURPOSE: This bulletin informs dealers that in the event "VINERR" is displayed on the Infotainment Control Unit (IFCU), the IFCU will turn off the WiFi menu and Navigation. This is an as designed reaction to the "VINERR" message. In this condition functions such as WiFi, Wireless Apple CarPlay® and embedded…
• 11018144Apr 18, 2025Electrical system, Other or unknown. SERVICE BULLETIN M1555 (REV H): BATTERY WARRANTY GUIDELINES. PURPOSE: This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty. REV H. Update section headers: AGM and Lithium-Iron Phosphate Batteries. Add graphics and callouts. Updated: Information on Battery.

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