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Service bulletin TT405

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 id11014026
Published by NHTSA2025-02-08
Manufacturer's numberTT405
Manufacturer's date2025-01-31
NHTSA componentPOWER TRAIN; UNKNOWN OR OTHER; VEHICLE SPEED CONTROL; ELECTRICAL SYSTEM

NHTSA's summary

TECHNICAL TIP BULLETIN TT405 (Rev A): Heated Hand Grip Function. PURPOSE: HEATED HAND GRIP FUNCTION and TIPS TO DIAGNOSE COMMON HEATED GRIP SYMPTOMS. Revision A. Updated Title. Remove sentence: There are no heated handgrips offered through P&A that are compatible with internally wired handlebars.

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, Throttle and cruise control, Transmission and driveline

Vehicles listed
HARLEY-DAVIDSON AMERICANA

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