# Service bulletin M1677

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: 11016840
- Published by NHTSA: 2025\-04\-08
- Manufacturer's number: M1677
- Manufacturer's date: 2025\-03\-25
- NHTSA component: WHEELS; UNKNOWN OR OTHER

## NHTSA's summary

SERVICE BULLETIN M1677: TIRE PRESSURE MONITORING SYSTEM \(TPMS\) ID CHANGE. PURPOSE: Initial Release. This bulletin informs dealers that the Tire Pressure Monitoring System \(TPMS\) ID label in the TPMS body has been changed. See Figure 1 and Figure 2. Part of the manufacturers process is to precede the 8 digit ID with the letter "R".

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11016840-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11016840-9999.pdf)

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

## Components

Wheels

## Vehicles listed

- HARLEY\-DAVIDSON AMERICANA

JSON: [/v1/bulletins/11016840](/v1/bulletins/11016840)

[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%20M1677&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11016840&vehicle=Service%20bulletin%20M1677)