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February 3, 2020 Service bulletin

Technical tip bulletin TT459: tire pressure monitoring system (TPMS).

Harley-Davidson technical service bulletin TT459 for 2020 Harley-Davidson FLHX, 2020 Harley-Davidson Flhtk and 2020 Harley-Davidson FLHR and others.

Bulletin number
TT459
Component
Tires: pressure monitoring and regulating systems
Summary
TECHNICAL TIP BULLETIN TT459: TIRE PRESSURE MONITORING SYSTEM (TPMS). Revision. PURPOSE: To inform dealers of the use and operations of vehicles equipped with TPMS (Tire Pressure Monitoring System). This system offers convenient monitoring of air pressure within each tire, and alerts the rider if tire pressures fall below specification. Both dealers and customers have raised questions regarding TPMS and how the system works. The intention of this bulletin is to answer some questions, and improve the general knowledge of: Functioning tire pressure sensors & Installation practices. All testing of the TPMS is done by using the TPMS diagnostics and diagnostic tips in the service manual or its supplement of that year and model vehicle or using DIGITAL TECHNICIAN II (PART NUMBER: HD-48650).

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