July 14, 2025 Service bulletin

Technical Bulletin 252 provides instructions that applies to: Triumph Diagnostic Tool

Triumph technical service bulletin TB252 for 2024-2025 Triumph Speed 400, 2025 Triumph Trident 660 and 2025 Triumph Speed Twin 900 and others.

Bulletin number: TB252
Component: Electrical system
Summary: Technical Bulletin 252 provides instructions that applies to: Triumph Diagnostic Tool - ABS Calibration Update and Smart Scan ABS Calibration Version Check Improvement, Triumph Diagnostic Tool - Replacement ABS Modulator Setup - Change to ABS Variant Code Configuration Process

Owners of these vehicles have filed 7 complaints in the electrical category.

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