# 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.

- Type: Service bulletin
- NHTSA id: 11014026
- Published by NHTSA: 2025\-02\-08
- Manufacturer's number: TT405
- Manufacturer's date: 2025\-01\-31
- NHTSA component: POWER 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014026-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014026-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Throttle and cruise control, Transmission and driveline

## Vehicles listed

- HARLEY\-DAVIDSON AMERICANA

JSON: [/v1/bulletins/11014026](/v1/bulletins/11014026)

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