# Service bulletins for the 2001 Triumph Legend TT 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. 74 bulletins from NHTSA, as of 2026-10-19. - [COM3 \- 32486](/bulletins/11026082.md), 2025-12-03, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2025\-12.1 and dealers should begin using it immediately. - [COM2 \- 32455](/bulletins/11026081.md), 2025-12-03, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2025\-12 and dealers should begin using it immediately. - [TB255](/bulletins/11026077.md), 2025-12-03, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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](/bulletins/11023928.md), 2025-10-06, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2025\-11 and dealers should begin using it immediately. - [31343](/bulletins/11021532.md), 2025-08-06, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2025\-10 and dealers should begin using it immediately. - [COM2 \- 31089](/bulletins/11019741.md), 2025-06-26, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2025\-09.1 and dealers should begin using it immediately. - [COM1 \- 31039](/bulletins/11019676.md), 2025-06-23, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2025\-09 and dealers should begin using it immediately. - [COM5 \- 30840](/bulletins/11018790.md), 2025-06-02, Service bulletin: ELECTRICAL SYSTEM. Dealer notice advising the availability of Diagnostic software version 2025\-08 and dealers should begin using it immediately. - [COM3 \- 30807](/bulletins/11018781.md), 2025-06-02, Service bulletin: UNKNOWN OR OTHER. Dealer notice advising of Dealer TOL platform impacting the latest Diagnostic software download \- logging off. - [COM2 \- 30768](/bulletins/11018775.md), 2025-06-02, Service bulletin: ELECTRICAL SYSTEM. Dealer notice advising the availability of Diagnostic software version 2025\-07 and dealers should begin using it immediately. - [TB250](/bulletins/11018747.md), 2025-06-02, Service bulletin: ELECTRICAL SYSTEM. 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. - [COM1 \- 30678](/bulletins/11018745.md), 2025-06-02, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Technical Bulletin 250. - [COM9 \- 30576](/bulletins/11017967.md), 2025-05-06, Service bulletin: ELECTRICAL SYSTEM. Dealer notice advising the availability of Diagnostic software version 2025\-06 and dealers should begin using it immediately. - [COM7 \- 30524](/bulletins/11017961.md), 2025-05-06, Service bulletin: UNKNOWN OR OTHER. Dealer notice advising of some customer complaints relating to condensation in the instrument pack and headlamp. - [COM6 \- 30499](/bulletins/11017941.md), 2025-05-06, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software version 2025\-05 and dealers should begin using it immediately. - [COM6\_30309](/bulletins/11016143.md), 2025-04-01, Service bulletin: ELECTRICAL SYSTEM. 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](/bulletins/11016139.md), 2025-04-01, Service bulletin: ELECTRICAL SYSTEM. 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](/bulletins/11016137.md), 2025-04-01, Service bulletin: ELECTRICAL SYSTEM. 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](/bulletins/11016132.md), 2025-04-01, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2025\-04 and dealers should begin using it immediately. - [COM3\-29956](/bulletins/11015035.md), 2025-03-05, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2025\-03 and that dealers should begin using it immediately. - [COM1\-29817](/bulletins/11015019.md), 2025-03-05, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2025\-02 and that dealers should begin using it immediately. - [COM1\-29689](/bulletins/11013842.md), 2025-02-06, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2025\-01 and that dealers should begin using it immediately. - [COM3\_29478](/bulletins/11011970.md), 2024-12-19, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2024\-14 and that dealers should begin using it immediately. - [COM3\-29131](/bulletins/11011144.md), 2024-12-04, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2024\-13 and dealers should begin using it immediately. - [COM2\-28473](/bulletins/11008179.md), 2024-10-01, Service bulletin: ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2024\-12 and dealers should begin using it immediately. 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