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Service bulletin M1528

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10195017
Published by NHTSA2021-06-04
Manufacturer's numberM1528
Manufacturer's date2021-05-07
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

SERVICE BULLETIN M1528: PAN AMERICA - TRANSPORT MODE SUBSTITUTE. PURPOSE: This bulletin informs dealers that on Pan Americaâ„¢ vehicles the transport mode procedure will not fully place the bike in transport mode and the battery can still be drained. While the bike will appear to be in transport mode the Controller Area Network (CAN) bus remains awake and will draw down the battery.

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

Electrical system

Vehicles listed
HARLEY-DAVIDSON RA12502021
HARLEY-DAVIDSON RA1250S2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.