MSDKHD4 Smartphone Diagnostic Tool and Code Reader for 2004+ Harley-Davidson Models with J1850 4-Pin Data Port
Features & Benefits: The small adapter can potentially save you thousands of dollars over the lifetime of your bike.
- Save time and money on unnecessary shop visits when your check engine light comes on.
- Learn when you must visit your mechanic with the real-time data provided from the Motorscan wireless adapter.
- FREE APP for iPhone and Android smartphones.
- Works on most older and recent Harley-Davidson bikes.
With the Motorscan adaptor you can:
- Read trouble codes and conditions with detailed descriptions.
- Clear the check engine light yourself.
- View your bike’s systems, from the electronic control unit to the dashboard, with real-time, live data.
- Get ECU information and more.
We created Motorscan to help you monitor your bike’s health and keep it in top shape. Motorscan – know your ride!
IMPORTANT NOTE: CHECK COMPATIBILITY with your bike before buying. May not be compatible with aftermarket injection mapping.
HARLEY-DAVIDSON MODEL (FUEL-INJECTED ONLY) | YEAR | ADAPTER TYPE |
---|---|---|
Dyna | 2004-2011 | MSDKHD4 (4-Pin) |
Softail | 2004-2010 | MSDKHD4 (4-Pin) |
Sportster | 2007-2013 | MSDKHD4 (4-Pin) |
Touring | 2004-2013 | MSDKHD4 (4-Pin) |
Trike | 2010-2013 | MSDKHD4 (4-Pin) |
V-Rod | 2004-2018 | MSDKHD4 (4-Pin) |
IMPORTANT: The adapters only work on fuel-injected Harley-Davidson models.
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- Plug-in adapter
- FREE app for Android™ and iPhone®*
- Quick start guide
- Tech support
- Free updates



Please visit our Help Center for a list of frequently asked questions.