2016 Harley-Davidson Flrt Technical Service Bulletins

50 technical service bulletins (TSBs) are on record for the 2016 Harley-Davidson Flrt. 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, 2026Engine, Fuel system, Other or unknown, Electrical system, Transmission and…. 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.
• 11035943Jul 30, 2026Electrical system, Vehicle speed control, Engine, Fuel system, Transmission…. SERVICE BULLETIN M1508 (REV D): 2009-2025 TRIKE PLATFORM - REVERSE MOTOR. PURPOSE: Revision C. To inform dealers of a running change for the new reverse motor (Part No. 83388-09C) for Trike models. As of January 28, 2020 all Trike platform vehicles will be manufactured using the new reverse motor. The new reverse motor will be used to replace reverse motor assemblies (Part No. 83388-09, 83388-09A,83388-09B) that…
• 11035941Jul 25, 2026Electrical system, Transmission and drivetrain, Engine, Wheels, Vehicle speed…. 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…
• 11034748Jun 11, 2026Exterior lighting, Fuel system, Electrical system, 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…
• 11032492Apr 25, 2026Other or unknown, Transmission and drivetrain, Engine. SERVICE BULLETIN M1727: BIG TWIN INNER PRIMARY SEAL CHANGES. PURPOSE: Initial release. This bulletin informs dealers of changes to the Inner Primary Seal (Part No. 12052). The seal part number was changed from (Part No. 12052A, black in color) to (Part No. 12052B, brown in color). A new Inner Primary Seal (Part No. 12052C) has been released and the color has been changed back to black.
• 11032452Apr 24, 2026Transmission and drivetrain, Fuel system, Engine, Vehicle speed control…. 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…
• 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.
• 11029728Feb 25, 2026Electrical system, Other or unknown. 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, 2026Other or unknown, Electrical system. 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…
• 11028617Jan 30, 2026Fuel system, Transmission and drivetrain, Electrical system, Other or unknown…. SERVICE BULLETIN M1508 (REV C): 2009-2025 TRIKE PLATFORM - REVERSE MOTOR. PURPOSE: Revision C. To inform dealers of a running change for the new reverse motor (Part No. 83388-09C) for Trike models. As of January 28, 2020 all Trike platform vehicles will be manufactured using the new reverse motor. The new reverse motor will be used to replace reverse motor assemblies (Part No. 83388-09, 83388-09A,83388-09B) that…
• 11028618Jan 28, 2026Engine, Fuel system, Transmission and drivetrain, Electrical system, Other or…. 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, 2026Electrical system, Vehicle speed control, Other or unknown, 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…
• 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, 2025Electrical system, Wheels, Other or unknown. 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.
• 11025167Oct 28, 2025Other or unknown, Electrical system. 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…
• 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, 2025Other or unknown, Electrical system. 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…
• 11014014Jan 24, 2025Transmission and drivetrain, Vehicle speed control, Other or unknown, Engine…. SERVICE BULLETIN M1650: MILWAUKEE EIGHT AND TWIN CAM CAMSHAFT DRIVE GEAR RETENTION KIT CHANGES. PURPOSE: This bulletin informs dealers that changes have been made to the Camshaft Drive Gear Retention Kit and service proceduresfor the Milwaukee-Eight and Twin Cam applications. In an effort to increase the clamp load of the camshaft drive sprocket bolted joint and prevent the drive bolt from loosening in high lift…
• 11014010Jan 3, 2025Fuel system, Electrical system, Other or unknown. SERVICE BULLETIN M1508 (REV B): 2009-2025 TRIKE PLATFORM - REVERSE MOTOR. PURPOSE:To inform dealers of a running change for the new reverse motor (Part No. 83388-09C) for Trike models. As of January 28, 2020 all Trike platform vehicles will be manufactured using the new reverse motor. The new reverse motor will be used to replace reverse motor assemblies (Part No. 83388-09,83388-09A,83388-09B) that have failed…
• 11008736Sep 12, 2024Other or unknown, Electrical system. SERVICE BULLETIN M1555 (REV E): BATTERY WARRANTY GUIDELINES. PURPOSE: Revision E. Added: Added procedures for the DCA-8000 E Battery Tester.* Updated: All sections. This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty.
• 11007544Aug 8, 2024Other or unknown, Electrical system. SERVICE 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…
• 11005514Jul 10, 2024Transmission and drivetrain, Other or unknown, Engine. GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1158: OIL FILTER PACKAGING AND CASE QUANTITY UPDATE. PURPOSE: To inform dealerships that Harley-Davidson has made updates to oil filters including new part numbers, packaging design, and bulk case quantity changes.
• 11001293May 1, 2024Electrical system, Other or unknown. SERVICE BULLETIN M1490 (V 24.6.4): 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). Version 24.6.4. Release Date: Week of May 1, 2024. New Features for LiveWire S2DM and S2MH, 2024 Revolution® Max, and 2024 Touring.
• 10254115Apr 4, 2024Vehicle speed control, Other or unknown, Engine cooling, Transmission and…. SERVICE BULLETIN M1612 (REV A): MILWAUKEE-EIGHT AND TWIN CAM TRANSMISSION GEAR PACKS. Purpose: Revision. Update: Notes for Table 3 and 4. * Updated: Part Numbers. This bulletin informs dealers that all: Twin Cam gear packs on CVO, Dyna, Police, Softail, Touring & Trike models and Milwaukee-Eight gear packs on CVO, Police, Softail, Touring & Trike models ordered after December 04, 2023 will not come with the shift…
• 10248401Dec 21, 2023Exterior lighting. GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1146: 68193-95 BULB WEDGE, FENDER TIP LAMP. Purpose: To inform dealers of an issue with the bulb wire terminals not being to specification. The light bulbs were used in numerous front and rear fender tip light assemblies for domestic and international applications.
• 10248398Dec 4, 2023Transmission and drivetrain, Vehicle speed control, Other or unknown. SERVICE BULLETIN M1612: MILWAUKEE-EIGHT AND TWIN CAM TRANSMISSION GEAR PACKS. Purpose: This bulletin informs dealers that all: • Twin Cam gear packs on CVO, Dyna, Police, Softail, Touring & Trike models and • Milwaukee-Eight gear packs on CVO, Police, Softail, Touring & Trike models ordered after December 04, 2023 will not come with the shift drum, forks, shafts and related hardware.
• 10248397Dec 4, 2023Transmission and drivetrain, Vehicle speed control. SERVICE BULLETIN M1612: MILWAUKEE-EIGHT AND TWIN CAM TRANSMISSION GEAR PACKS. Purpose: This bulletin informs dealers that all: • Twin Cam gear packs on CVO, Dyna, Police, Softail, Touring & Trike models and • Milwaukee-Eight gear packs on CVO, Police, Softail, Touring & Trike models ordered after December 04, 2023 will not come with the shift drum, forks, shafts and related hardware.
• 10178101Jul 7, 2020Equipment, Electrical system. SERVICE BULLETIN M1464: BOOM! AUDIO - GENERAL INFORMATION AND SOFTWARE UPDATE 1.22.X. PURPOSE: Revision. This bulletin helps the dealer locate needed information to update and service Boom! Box Audio Infotainment systems. It also lists software revisions and the fixes addressed in each revision. This bulletin also replaces the following documents: TT431A: Software Download and Warranty Information, M1346: Boom! Box…
• 10176175May 15, 2020Equipment, Electrical system. GENUINE MOTOR PARTS AND MOTOR ACCESSORIES BULLETIN PAB1097 INTERNATIONAL FITMENT: THE BOOM! BOX GTS SOFTWARE UPDATE. PURPOSE: To notify International dealers that International GTS radios are now available to be ordered and installed in 2014-2018 Touring, CVO Touring and Trike models previously equipped with 6.5 GT radios as retrofittable with additional parts and software as noted. Markets Affected: Only…
• 10172226Feb 26, 2020Transmission and drivetrain, Engine, Equipment, Electrical system. SERVICE BULLETIN M1508: 2009-2020 TRIKE PLATFORM - REVERSE MOTOR. PURPOSE: To inform dealers of a running change for the new reverse motor (Part No. 83388-09C) for Trike models. As of January 28, 2020 all Trike platform vehicles will be manufactured using the new reverse motor. The new reverse motor will be used to replace reverse motor assemblies (Part No. 83388-09, 83388-09A,83388-09B) that have failed…
• 10162967Jun 25, 2019Transmission and drivetrain. SERVICE BULLETIN M1492: 2017 - 2019 TOURING - MILWAUKEE EIGHT - INNER PRIMARY VENT. Purpose: Revision. Harley-Davidson has learned that a small percentage of dealers and customers are finding low transmission oil levels and high primary oil levels during normal maintenance intervals. This could indicate that oil is transferring from the transmission case to the primary housing through the transmission mainshaft. A…
• 10158168Mar 28, 2019Engine, Transmission and drivetrain. SERVICE BULLETIN M1450: MILWAUKEE-EIGHT EQUIPPED VEHICLES - LOSS OF POWER OR HIGH ENGINE BRAKING. REVISION. Purpose: 2017 - 2019 model motorcycles equipped with a Milwaukee-Eight? engine can experience a condition known as sumping during extended periods at high rpm or under heavy engine load.
• 10155120Feb 22, 2019Transmission and drivetrain. SERVICE BULLETIN M1359: 2014 - 2016 TOURING - HYDRAULIC CLUTCH LINE REPLACEMENT. PURPOSE: REVISION. A leak may occur on some Touring, CVO Touring, Police Touring and Trike models equipped with hydraulic clutch. The leak may occur when the line is replaced or when a P&A clutch line is installed. The area of the leak is at the joint where the clutch line attaches to the secondary clutch actuator (right side of the…
• 10139399Apr 27, 2018Transmission and drivetrain. TECH ARTICLE TA0023: TA0023: Crankshaft Rod Bearing. Purpose: Technicians have been falsely identifying connecting rod bearings as failed due to a perception of resistance as the rods are rotated. The clearance of the Twin Cam and Milwaukee-Eight® crank pin bearings are maintained to a very tight range. This optimizes performance and maintains low mechanical noise in operation. The connecting rod bore can also…
• 10193480Dec 18, 2017Equipment. The purpose of this service bulletin is to communicate updates and corrections to certain 2008-2016 service literature.
• 10124218Oct 11, 2017Electrical system, Engine cooling. SERVICE BULLETIN M1458: 2009 - 2018 TRIKE - SERVICE MANUAL SUPPLEMENT UPDATE. The purpose of this bulletin is to communicate updates to thereverse motor inoperative diagnostic procedure in the service manual supplement. A high percentage of reverse motors that have been returned are in good condition. The belief is that the 150 A circuit breaker is tripped, and not fully reset. This is causing the technician to…
• 10125141Sep 18, 2017Electrical system, Equipment. SERVICE BULLETIN M1442: BOOM! BOX INFOTAINMENT SYSTEM GENERAL INFORMATION AND SOFTWARE RELEASE 1.21.X DESCRIPTION. This bulletin helps the dealer locate needed information to update and service Boom! Box Audio Infotainment systems. It also lists software revisions and the fixes addressed in each revision.
• 10117896Jul 31, 2017Electrical system. PARTS & ACCESSORIES BULLETIN PAB1067: SCREAMIN? EAGLE SMART TUNE PRO RELEASED FOR SHIPMENT. Purpose is to notify dealers that the Smart Tune PRO ? Automatic Tuning Module is 50-state U.S. EPA approved and released for shipment.
• 10096814Feb 1, 2017Electrical system. Tech articles: installation of boom! Infotainment software release 1.20.2 may cause the infotainment system to freeze and become non-responsive to inputs from the hand controls, soft keys, or touch screen. An ignition cycle off-on may get the system to respond or it may not. If a customer is experiencing this issue, update software to release 1.20.3.
• 10125156Jan 16, 2017Equipment, Electrical system. Service Bulletin M1430B: BOOM! BOX INFOTAINMENT SYSTEM GENERAL INFORMATION AND SOFTWARE RELEASE 1.20.X DESCRIPTION informs the dealer network that Boom! software version 1.20.3 released December 19, 2016 and is now available to download. This also provides notice that revision 1.20.2 was found to be corrupt. Do not install version 1.20.2 and delete any stored copies.
• 10096304Dec 19, 2016Electrical system, Equipment. This bulletin helps the dealer locate needed information to update and service boom! Box audio infotainment systems. It also lists software revisions and the fixes addressed in each revision.
• 10195169Jan 27, 2016Electrical system. Harley-Davidson is aware of conditions that may result in a streaking appearance or film residue on the inside of some instrument gauges including speedometer and tachometers. This may occur after exposure of the vehicle to humid conditions. This condition may remain even after the moisture has evaporated.
• 10193488Jan 27, 2016Electrical system. Harley-Davidson is aware of conditions that may result in a streaking appearance or film residue on the inside of some instrument gauges including speedometer and tachometers. This may occur after exposure of the vehicle to humid conditions. This condition may remain even after the moisture has evaporated.
• 10195140Dec 1, 2015Suspension. This bulletin is to inform dealers of the steps to perform after performing the Touring and Trike Rear Shock absorber callback return. The shipping plug must be transferred from the new shock to the return shock. When oil is allowed to leak during the return process, the call-back issue cannot be properly diagnosed. Installing the plug in the return shock contains the oil in the shock during the shipment to the…
• 10193479Dec 1, 2015Suspension. This bulletin is to inform dealers of the steps to perform after performing the Touring and Trike Rear Shock absorber callback return. The shipping plug must be transferred from the new shock to the return shock. When oil is allowed to leak during the return process, the call-back issue cannot be properly diagnosed. Installing the plug in the return shock contains the oil in the shock during the shipment to the…

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