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Service bulletin M1592

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 id10240474
Published by NHTSA2023-08-05
Manufacturer's numberM1592
Manufacturer's date2023-07-07
NHTSA componentEQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT; ELECTRICAL SYSTEM

NHTSA's summary

SERVICE BULLETIN M1592: INFOTAINMENT CONTROL UNIT TRANSPORT MODE ICON INDICATION. PURPOSE: This bulletin informs dealers of a software error preventing the transport mode icon from being displayed on the Infotainment Control Unit (IFCU) when transport mode is activated on 2023 CVO Street Glide (FLHXSE) and CVO Road Glide (FLTRXSE) motorcycles. This condition will be repaired in a later software update. The Owner's Manual states a transport mode icon will display on the IFCU when the vehicle is placed in transport mode. Due to a software error, the icon will not display at this time. The user can verify that the bike is in transport mode by observing the turn signals flashing three times when transport mode is engaged.

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 FLHXSE2023
HARLEY-DAVIDSON FLTRXSE2023

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