Vehicle report

2026 TRIUMPH STREET TRACKER 400

Service bulletins

3 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.

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

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.