The TTS MasterTune System includes three powerful Windows-based programs: MasterTune-HD, DataMaster-HD, and VTune.
MasterTune-HD is a Windows-based ECM reprogramming tool specifically for use with Harley-Davidson motorcycles that utilize the diagnostic interface. TTS Mastertune also supports 2005 and later Retrofit ECM Service Modules when installed on earlier vehicles.
DataMaster-HD is a data collection tool specifically for use with 2001 and later Delphi-equipped Harley-Davidson motorcycles that utilize the diagnostic interface.
VTune is an easy-to-use VE table tuning tool tailored specifically for use with 2006 and later Delphi-equipped H-D’s that are equipped with O2 Sensors.