Vehicle report

2020 TRIUMPH SPEED TWIN

Service bulletins

94 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

COM1-35109

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Triumph Diagnostic Tool 2026-07 and dealers should begin using it immediately.

COM2 - 34886

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Triumph Diagnostic Tool 2026-06.1 and dealers should begin using it immediately.

COM5 - 34490

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Technical Bulletin 264.

COM6 - 34491

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Triumph Diagnostic Tool version 2026-06 and dealers should begin using it immediately.

TB264

Service Bulletin/Repair Instructions

Technical Bulletin 264 provides instructions that relates to: Triumph Diagnostic Tool - New Motorcycle Connection and Diagnostics Workflow, Triumph Diagnostic Tool - End of Support for Microsoft Windows 10.

COM4 - 34435

Service Bulletin/Repair Instructions

Dealer notice advising the availalbility of TDT version 2026-05.2 which resolves the ABS as Not Connected issues in SmartScan, on Tracker 400 & Thruxton 400 models.

COM02 - 34238

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2026-05.1 and dealers should begin using it immediately.

COM01 - 34227

Service Bulletin/Repair Instructions

Dealer notice reminding of Motorcycle Cleaning, prohibited use of High-Pressure & Steam Cleaning equipment.

COM01 - 33784

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2026-04 and dealers should begin using it immediately.

COM1 - 33480

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2026-03 and dealers should begin using it immediately.

COM2 - 33233

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2026-02 and dealers should begin using it immediately.

COM1 - 32976

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2026-01 and dealers should begin using it immediately.

COM2 - 32716

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Technical Bulletin 255.

COM1 - 32684

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-13 and dealers should begin using it immediately.

COM3 - 32486

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-12.1 and dealers should begin using it immediately.

COM2 - 32455

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-12 and dealers should begin using it immediately.

TB255

Service Bulletin/Repair Instructions

Technical Bulletin 255 provides instructions that applies to: Triumph Diagnostic Tool - Addition of Pinpoint Test Links to Smart Scan DTC Screen & Triumph Diagnostic Tool - Removal of IUPR Uploader Application

COM1 - 31796

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-11 and dealers should begin using it immediately.

TB254

Service Bulletin/Repair Instructions

Technical Bulletin 254 provides instructions that applies to: Service Tool Amendment

31343

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-10 and dealers should begin using it immediately.

COM2 - 31089

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-09.1 and dealers should begin using it immediately.

COM1 - 31039

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-09 and dealers should begin using it immediately.

COM5 - 30840

Service Bulletin/Repair Instructions

Dealer notice advising the availability of Diagnostic software version 2025-08 and dealers should begin using it immediately.

COM3 - 30807

Service Bulletin/Repair Instructions

Dealer notice advising of Dealer TOL platform impacting the latest Diagnostic software download - logging off.

COM2 - 30768

Service Bulletin/Repair Instructions

Dealer notice advising the availability of Diagnostic software version 2025-07 and dealers should begin using it immediately.

COM1 - 30678

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Technical Bulletin 250.

TB250

Service Bulletin/Repair Instructions

Technical Bulletin 250 provides instructions that applies to the Triumph Diagnostic Tool Update - Smart Scan VIN Query and VIN Data Page, Triumph Diagnostic Tool - Engine ECM Diagnostics - Write VIN Function, Electronic Control Modules (ECMs) Must Not Be Swapped Between Motorcycles.

COM9 - 30576

Service Bulletin/Repair Instructions

Dealer notice advising the availability of Diagnostic software version 2025-06 and dealers should begin using it immediately.

COM7 - 30524

Service Bulletin/Repair Instructions

Dealer notice advising of some customer complaints relating to condensation in the instrument pack and headlamp.

COM6 - 30499

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software version 2025-05 and dealers should begin using it immediately.

COM6_30309

Service Bulletin/Repair Instructions

Dealer notice advising that the new Autoscan feature within the SmartScan function has now been enabled with the release of TDT 2025-04.1 and that instructions are detailed in Technical Bulletin 249.

TB249

Service Bulletin/Repair Instructions

Technical Bulletin 249 provides instructions that applies to the Triumph Diagnostic Tool - New Smart Scan Download Feature - Calibration Option Selection and the Triumph Diagnostic Tool - New Smart Scan Feature - Autoscan.

COM5_30212

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-04.1 and that dealers should begin using it immediately. This version includes a fix for the hardware part number-based calibration download issue.

COM3_30112

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-04 and dealers should begin using it immediately.

COM3-29956

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-03 and that dealers should begin using it immediately.

COM1-29817

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-02 and that dealers should begin using it immediately.

COM1-29689

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2025-01 and that dealers should begin using it immediately.

COM3_29478

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-14 and that dealers should begin using it immediately.

COM3-29131

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-13 and dealers should begin using it immediately.

COM2-28473

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-12 and dealers should begin using it immediately.

COM1-28369

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-11 and that dealers should begin using it immediately.

COM3-28197

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-10 and dealers should begin using it immediately.

COM2-28140

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-09.1 and dealers should begin using it immediately.

COM1-28064

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-09 and dealers should begin using it immediately.

COM2-27933

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-08.1 and dealers should begin using it immediately.

COM1-27828

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-08 and dealers should begin using it immediately.

COM7-TDT

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-07 and dealers should begin using it immediately.

SMT-COM-01

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-03 and dealers should begin using it immediately.

SMT-COM-02

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-04 and dealers should begin using it immediately.

Parts

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-02 and dealers should begin using it immediately.

SMTCOM01

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2024-01 and dealers should begin using it immediately.

SMT-COM03

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2023-08 and dealers should begin using it immediately.

SMT-COM01

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2023-06 and dealers should begin using it immediately.

SMT-TB230

Service Bulletin/Repair Instructions

Technical Bulletin 230 provides instructions that applies to Electronic Systems Commissioning and Motorcycle Unlocking, Introduction of New Instrument Hardware, Triumph Diagnostic Tool 2023-02 Update - Calibrations Removed From Service and Encapsulated Fixings.

SMT23891

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2023-01.3 and dealers should begin using it immediately.

SMT-COM02

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2023-02 and dealers should begin using it immediately.

Technical Bullet

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2022-11.1 and dealers should begin using it immediately.

SMT-COM05

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2022-08.1 and dealers should begin using it immediately.

SMT-COM04

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2022-08 and dealers should begin using it immediately.

SMTCOM04

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2022-07 and dealers should begin using it immediately.

SMT-COM01-13APRI

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2022-03.1 and dealers should begin using it immediately.

22714

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2022-11 and dealers should begin using it immediately.

20757 SVC

Service Bulletin/Repair Instructions

New tools are required for technicians to complete all required work on new Triumph models.

20680 SVC

Service Bulletin/Repair Instructions

Triumph has released Technical Bulletin 222 including 8 subjects across a range of models.

22651

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2022-10 and dealers should begin using it immediately.

SMT-COM05-18MAY2

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Service Bulletin 589.

SMT-SB589-18MAY2

Service Bulletin/Repair Instructions

Service Bulletin 589 addresses the dealers to realign the clip on the fuel hose.

20733 SVC

Service Bulletin/Repair Instructions

Triumph has released diagnostic software version 2022-01

SMT-COM04-27JANU

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of a new service tool for the listed model.

SMT-COM04-16DECE

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2020-12 and dealers should begin using it immediately.

SMT-COM07-22SEPT

Service Bulletin/Repair Instructions

Dealer notice reminding of the new California Prop 65 regulation.

SMT-COM04-16JUNE

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2020-6.2 and dealers should begin using it immediately.

SMT-COM01-06OCTO

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2020-10 and dealers should begin using it immediately.

SMT-TB206-06MAR2

Service Bulletin/Repair Instructions

Technical Bulletin 206 provides instructions that applies to Electronic Systems Commissioning and Motorcycle Unlocking, Triumph Diagnostic Tool - Internet Connection and Minimum Equipment Requirement.

SMT-COM02-14APRI

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2020-05 and dealers should begin using it immediately.

SMT-COM09-25MAR2

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2020-4.3 available and dealers should begin using it immediately.

SMT-COM06-17MAR2

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2020-4.2 available and dealers should begin using it immediately.

SMT-COM03-19FEB2

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2020-3 and dealers should begin using it immediately.

SMT-COM02-18FEB2

Service Bulletin/Repair Instructions

Dealer notice announcing the auto-issue of three new service tools.

SMT-COM06-20DEC2

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Technical Bulletin 200.

SMT-COM07-20DEC2

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Technical Bulletin 201.

SMT-TB200-20DEC2

Service Bulletin/Repair Instructions

Technical Bulletin 200 provides instructions that apply to Camshaft Cover Tightening Sequence, Replacement Keyless ECM Setup Process, Pin Point Test - ABS Modulator Communication, Cylinder Head Oil Jet, Owners Handbook Correction - Instrument Functionality, Keyless Ignition, Torque Change, Windscreen Fixings, Front Wheel Speed Sensor Routing.

SMT-TB201-20DEC2

Service Bulletin/Repair Instructions

Technical Bulletin 200 provides instructions that apply to Steering Lock and Keys, Neutral Position Adaption, Triumph Diagnostic Tool - End of Support for Microsoft Windows 7®, Triumph Diagnostic Tool - Internet Connection and Minimum eEquipment Requirement, Torque Change, Clutch Cable, Camshaft Frame Installation, Immobiliser Antenna Wire Routing.

SMT-COM03-16DEC2

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2019-8 and dealers should begin using it immediately.

SMTCOM0225NOV201

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2019-7 and dealers should begin using it immediately.

SMTCOM0113NOV201

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2019-6 and dealers should begin using it immediately.

SMT-COM02-18OCT2

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2019-5.1 and dealers should begin using it immediately.

SMT-COM03-18OCT2

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Technical Bulletin 197 & 198.

SMT-TB197-18OCT2

Service Bulletin/Repair Instructions

Technical Bulletin 197 provides instructions that apply to Alternator Cover Installation - Addition of Sealant, Steering Head Bearings - Adjustment, Gear Change Selector Mechanism Kit and Fork Seal Cleaner.

SMT-COM01-15OCT2

Service Bulletin/Repair Instructions

Dealer notice announcing the availability of Diagnostic software 2019-5 and dealers should begin using it immediately.

SMTCOM0429JUL201

Service Bulletin/Repair Instructions

Dealer notice advising how to prevent Instrument download failures and recover in the event a download has failed/interrupted.

SMT-COM03-27JUN2

Service Bulletin/Repair Instructions

Dealer notice announcing the introduction of the revised gearchange shaft to all liquid-cooled Triumph Modern Classics models.

SMT-COM01-24JUN2

Service Bulletin/Repair Instructions

Dealer notice clarifying the fitment of the Accessory lever kits with their respective models.

SMT-COM02-24JUN2

Service Bulletin/Repair Instructions

Dealer notice concluding the comprehensive test conducted to explore the warranty claims for headlamps with surface damage and corrective actions to prevent the issue.

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.

2020 Triumph Speed Twin Service Bulletins: 94 bulletins | CarFathom