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Service bulletin 1HD-N6C8Y-03

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 id10115979
Published by NHTSA2017-08-25
Manufacturer's number1HD-N6C8Y-03
Manufacturer's date2017-02-06
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

Service Bulletin M1438: NEUTRAL SWITCH INVENTORY REMOVAL notifies that Harley-Davidson has determined that a variance in assembly tolerances may affect the functional performance of certain Neutral Switches (Part No. 33926-06B) causing no or inconsistent neutral light illumination while the transmission is in neutral. In an effort to reduce to the potential of repeat issues by the installation of a suspect replacement neutral switch, Harley-Davidson is requesting that dealers file a Defective Stock (DFS) claim on any existing neutral switches with the identification numbers described in Required Dealer Action, and remove the switches from inventory.

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, Transmission and driveline, Automatic transmission

Vehicles listed
HARLEY-DAVIDSON HARLEY-DAVIDSON

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