WenmarOpen by Wenmar Pro

Service bulletin SMTTB225

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10231149
Published by NHTSA2023-02-06
Manufacturer's numberSMTTB225
Manufacturer's date2022-06-21
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Engine control module

Vehicles listed
TRIUMPH BONNEVILLE BOBBER2022, 2023
TRIUMPH BONNEVILLE SPEEDMASTER2022, 2023
TRIUMPH BONNEVILLE T1002021, 2022, 2023
TRIUMPH BONNEVILLE T1202022, 2023
TRIUMPH BONNEVILLE T120 BLACK2022 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH ROCKET 3 GT2020, 2021, 2022, 2023
TRIUMPH ROCKET 3 R2020, 2021, 2022, 2023
TRIUMPH ROCKET 3 TFC2020 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH SCRAMBLER 1200 BOND EDITI2021
TRIUMPH SCRAMBLER 1200 XC2019, 2020, 2021, 2022, 2023
TRIUMPH SCRAMBLER 1200 XE2019, 2020
TRIUMPH SCRAMBLER 1200 XE2022, 2023
TRIUMPH SCRAMBLER 9002023
TRIUMPH SPEED TRIPLE RR2022 to 2023
TRIUMPH SPEED TRIPLE RS2018, 2019, 2020
TRIUMPH SPEED TRIPLE RS2021 to 2023
TRIUMPH SPEED TWIN2021, 2022, 2023
TRIUMPH STREET SCRAMBLER2022
TRIUMPH STREET TRIPLE R2020, 2021, 2022
TRIUMPH STREET TRIPLE RS2020, 2021, 2022, 2023
TRIUMPH STREET TWIN2021, 2022
TRIUMPH THRUXTON RS2020, 2021
TRIUMPH THRUXTON RS2023
TRIUMPH TIGER 1200 GT2022, 2023
TRIUMPH TIGER 1200 GT EXPLORER2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH TIGER 1200 GT PRO2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH TIGER 1200 RALLY EXPLORER2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH TIGER 1200 RALLY PRO2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH TIGER 8502021 to 2022
TRIUMPH TIGER 850 SPORT2023
TRIUMPH TIGER 9002020, 2021
TRIUMPH TIGER 900 GT2020 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH TIGER 900 GT2021, 2022, 2023
TRIUMPH TIGER 900 GT PRO2023 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH TIGER 900 RALLY2020 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH TIGER 900 RALLY2021, 2022, 2023
TRIUMPH TIGER 900 RALLY PRO2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH TIGER SPORT2023
TRIUMPH TRIDENT 6602021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
SMTTB2252022-09-26. Service bulletin. 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.