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Service bulletin TT458

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 id10164799
Published by NHTSA2019-09-16
Manufacturer's numberTT458
Manufacturer's date2019-08-02
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

TECHNICAL TIP BULLETIN TT458: SECURITY FOB TROUBLESHOOTING. REVISION. PURPOSE: To use as a guide when troubleshooting issues with Harley-Davidson security fobs to avoid possible misdiagnosis and unnecessary replacement of properly operating security system components. Motorcycles Affected: Vehicles with security system.

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 HARLEY-DAVIDSON

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