OBDSTAR ECU MASTER C Configuration is OBDSTAR ECU Master Specific Version for Heavy Duty, It is the first professional PC-based ECU Flasher for OBDSTAR and supports HD (ECM/TCM/BCM) clone functions. OBDSTAR ECU Master HD Version is compatible with ECUs from major global brands, provides precise maintenance for popular units, and is equipped with anti-misoperation reminders, allowing even beginners to get started quickly!