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
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Wheels
| HARLEY-DAVIDSON AMERICANA |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.