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Service bulletin M1555

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 id10242094
Published by NHTSA2023-09-08
Manufacturer's numberM1555
Manufacturer's date2023-08-22
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM

NHTSA's summary

SERVICE BULLETIN M1555 (REV D): BATTERY WARRANTY GUIDELINES. PURPOSE: Revision. Added: Information on Battery. Update OEM VS PNA battery info. This bulletin informs the dealership network that Harley-Davidson has provided guidelines for battery warranty.

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 HARLEY-DAVIDSON

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