Service bulletins for the 2021 Triumph Trident
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
47 on file from NHTSA, as of 2026-10-19.
By type
By component
| COM3-28197 | 2024-08-02. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2024-10 and dealers should begin using it immediately. |
|---|---|
| COM2-28140 | 2024-08-02. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2024-09.1 and dealers should begin using it immediately. |
| COM1-28064 | 2024-08-02. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2024-09 and dealers should begin using it immediately. |
| COM2-27933 | 2024-07-08. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2024-08.1 and dealers should begin using it immediately. |
| COM1-27828 | 2024-07-08. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2024-08 and dealers should begin using it immediately. |
| COM7-TDT | 2024-06-04. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2024-07 and dealers should begin using it immediately. |
| SMT-COM-02 | 2024-04-29. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2024-04 and dealers should begin using it immediately. |
| SMT-COM-01 | 2024-04-29. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2024-03 and dealers should begin using it immediately. |
| Parts | 2024-04-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2024-02 and dealers should begin using it immediately. |
| SMTCOM01 | 2024-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2024-01 and dealers should begin using it immediately. |
| SMT-COM03 | 2024-01-29. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2023-08 and dealers should begin using it immediately. |
| SMT-COM01 | 2023-12-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice announcing the availability of Diagnostic software 2023-06 and dealers should begin using it immediately. |
| SMT-COM03 | 2023-07-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice advising of a bug notification affecting calibration download function on certain systems. |
| SMT-COM01 | 2023-07-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2023-02.1 and dealers should begin using it immediately. |
| SMT-TB230 | 2023-05-30. Service bulletin. ELECTRICAL SYSTEM. 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. |
| SMT-COM03 | 2023-05-30. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2023-02 and dealers should begin using it immediately. |
| SMT-COM02 | 2023-05-30. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2023-02 and dealers should begin using it immediately. |
| SMT23891 | 2023-05-15. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2023-01.3 and dealers should begin using it immediately. |
| SMT-COM05 | 2023-02-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2022-08.1 and dealers should begin using it immediately. |
| SMT-COM04 | 2023-02-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2022-08 and dealers should begin using it immediately. |
| SMT-COM03 | 2023-02-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice announcing the availability of Technical Bulletin 226. |
| SMT-COM01 | 2023-02-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice reminding of the new California Prop 65 regulation. |
| SMTCOM04 | 2023-02-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2022-07 and dealers should begin using it immediately. |
| SMTTB225 | 2023-02-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Technical Bulletin 225 provides instructions that applies to Triumph Diagnostic Tool 2022-07 Update - ECM Status Report Feature - Beta A, Triumph Diagnostic Tool 2022-07 Update - Introduction of New Headlight ECM Hardware, Triumph Diagnostic Tool 2022-07 Update - Calibrations Removed From Service. |
| SMTCOM03 | 2023-02-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice announcing the availability of Technical Bulletin 225. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.