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Service bulletin M1536

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 id10201046
Published by NHTSA2021-09-04
Manufacturer's numberM1536
Manufacturer's date2021-08-27
NHTSA componentELECTRICAL SYSTEM; VEHICLE SPEED CONTROL; EQUIPMENT; UNKNOWN OR OTHER

NHTSA's summary

SERVICE BULLETIN M1536: Pan America BCM Update. PURPOSE: This bulletin is to inform dealers of a software up to the BCM that includes past updates and an update to Transport Mode. Supersedes bulletins M1529 and M1532. Motorcycles Impacted: All 2021 Pan America Motorcycles. Key Dates: DT2 software update was available starting week of 8/21/2021.

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, Equipment and accessories, Throttle and cruise control

Vehicles listed
HARLEY-DAVIDSON HARLEY-DAVIDSON
HARLEY-DAVIDSON RA12502021
HARLEY-DAVIDSON RA1250S2021

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