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Service bulletin M1542

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 id10204147
Published by NHTSA2021-12-07
Manufacturer's numberM1542
Manufacturer's date2021-11-16
NHTSA componentENGINE AND ENGINE COOLING; POWER TRAIN; EQUIPMENT

NHTSA's summary

SERVICE BULLETIN M1542: MY21 TRANSMISSION DIPSTICK CHANGE. PURPOSE: This service bulletin is to inform dealers of a change to the transmission dipstick. This covers all Milwaukee-Eight powertrain's built at the Pilgrim Road Power Train Operations (PTO) factory in Menomonee Falls, Wisconsin for model year 2021 and 2022.

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

Engine, Equipment and accessories, Transmission and driveline

Vehicles listed
HARLEY-DAVIDSON FLFBS2021
HARLEY-DAVIDSON FLHC2021
HARLEY-DAVIDSON FLHCS2021
HARLEY-DAVIDSON FLHP2021
HARLEY-DAVIDSON FLHR2021
HARLEY-DAVIDSON FLHRXS2021
HARLEY-DAVIDSON FLHT2021
HARLEY-DAVIDSON FLHTCUTG2021
HARLEY-DAVIDSON FLHTCUTGSE2021
HARLEY-DAVIDSON FLHTK2021
HARLEY-DAVIDSON FLHTK SHRINE2021
HARLEY-DAVIDSON FLHTKSE2021
HARLEY-DAVIDSON FLHTP2021
HARLEY-DAVIDSON FLHX2021
HARLEY-DAVIDSON FLHXS2021
HARLEY-DAVIDSON FLHXSE2021
HARLEY-DAVIDSON FLRT2021
HARLEY-DAVIDSON FLSB2021
HARLEY-DAVIDSON FLSL2021
HARLEY-DAVIDSON FLTRK2021
HARLEY-DAVIDSON FLTRX2021
HARLEY-DAVIDSON FLTRXS2021
HARLEY-DAVIDSON FLTRXSE2021
HARLEY-DAVIDSON FXBBS2021
HARLEY-DAVIDSON FXFBS2021
HARLEY-DAVIDSON FXLRS2021
HARLEY-DAVIDSON FXST2021
HARLEY-DAVIDSON RH1250S2022

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