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Service bulletin M1475

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 id10158169
Published by NHTSA2019-04-15
Manufacturer's numberM1475
Manufacturer's date2019-03-04
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM

NHTSA's summary

SERVICE BULLETIN M1450: Purpose: This bulletin provides notice of Boom!? Box GTS software release dates. For details on software notes see the owner's manual. This bulletin helps the dealer locate needed information to update and service Boom! Box Audio Infotainment systems. It also lists software revisions release dates.

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

Vehicles listed
HARLEY-DAVIDSON FLHTCUTG2019
HARLEY-DAVIDSON FLHTKSE2019
HARLEY-DAVIDSON FLHXSE2019
HARLEY-DAVIDSON FLRT2019
HARLEY-DAVIDSON FLTRUSE2019

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