# Service bulletin TT459

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.

- Type: Service bulletin
- NHTSA id: 10172245
- Published by NHTSA: 2020\-03\-07
- Manufacturer's number: TT459
- Manufacturer's date: 2020\-02\-03
- NHTSA component: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

## NHTSA's 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 \(PART NUMBER: HD\-48650\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172245-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172245-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Tires, Tire pressure monitoring

## Vehicles listed

- 2020 HARLEY\-DAVIDSON FLHP
- 2020 HARLEY\-DAVIDSON FLHR
- 2020 HARLEY\-DAVIDSON FLHRXS
- 2020 HARLEY\-DAVIDSON FLHT
- 2020 HARLEY\-DAVIDSON FLHTCUTG
- 2020 HARLEY\-DAVIDSON FLHTCUTGSE
- 2020 HARLEY\-DAVIDSON FLHTK
- 2020 HARLEY\-DAVIDSON FLHTK SHRINE
- 2016 to 2020 HARLEY\-DAVIDSON FLHTKSE
- 2016 to 2019 HARLEY\-DAVIDSON FLHTKSE ANV
- 2020 HARLEY\-DAVIDSON FLHTP
- 2020 HARLEY\-DAVIDSON FLHX
- 2020 HARLEY\-DAVIDSON FLHXS
- 2016 to 2020 HARLEY\-DAVIDSON FLHXSE
- 2020 HARLEY\-DAVIDSON FLTRK
- 2020 HARLEY\-DAVIDSON FLTRX
- 2020 HARLEY\-DAVIDSON FLTRXS
- 2018 to 2020 HARLEY\-DAVIDSON FLTRXSE

JSON: [/v1/bulletins/10172245](/v1/bulletins/10172245)

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