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Service bulletin M1704_Customer Letter

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 id11027541
Published by NHTSA2026-01-09
Manufacturer's numberM1704_Customer Letter
Manufacturer's date2025-12-12
NHTSA componentUNKNOWN OR OTHER; ELECTRICAL SYSTEM

NHTSA's summary

SERVICE BULLETIN M1704: HARLEY-DAVIDSON LIVEWIRE INSTRUMENT MODULE REPLACEMENT (CUSTOMER LETTER). PURPOSE: UPDATED PUBLICATIONS. NOTE The following manuals have been updated. Completed publications can be viewed electronically on Service Information Portal (SIP). ALWAYS verify you are using the most current version.

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 AMERICANA

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