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Service bulletin HD-TT-434

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 id10055749
Published by NHTSA2014-07-15
Manufacturer's numberHD-TT-434
Manufacturer's date2014-04-14
NHTSA componentEXTERIOR LIGHTING:HEADLIGHTS

NHTSA's summary

HARLEY DAVIDSON: INFORMATION REGARDING DAYMAKER HEADLAMP EXPERIENCING LOWER CURRENT ON LED HEADLAMP COMPARED TO HALOGEN HEADLAMP. MODEL 2011-13 SOFTAIL, 2012-13 DYNA. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Lighting, Headlights

Vehicles listed
HARLEY-DAVIDSON SOFTAIL2011 to 2012

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