# Service bulletin TT473

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: 10182338
- Published by NHTSA: 2020\-11\-06
- Manufacturer's number: TT473
- Manufacturer's date: 2020\-10\-02
- NHTSA component: EQUIPMENT

## NHTSA's summary

TECHNICAL TIP BULLETIN TT473: SYMPTOM BASED DIAGNOSTICS. PURPOSE: To assist the technician with diagnostics based on symptoms. These tips are suggestions that may help in troubleshooting the customer concerns. Harley\-Davidson recommends that this bulletin is viewed on Service Information Portal \(SIP\) only. Viewing this bulletin in a Portable Document Format \(PDF\) results in the loss of working links.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10182338-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10182338-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- HARLEY\-DAVIDSON HARLEY\-DAVIDSON

JSON: [/v1/bulletins/10182338](/v1/bulletins/10182338)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20TT473&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10182338&vehicle=Service%20bulletin%20TT473)