The Bosch HDS 250 is a heavy-duty scan tool for Class 4 - 8 vehicles (gas and diesel). Read, diagnose and clear HD standard trouble codes on a brilliant color display. It shows code descriptions and definitions, graphs live data MIDS/PIDS, and can record and playback data streams. Quick Test pulls Global OBD II codes for data analysis and diagnosis. The HDS 250 meets SAE standards for HD J1587/J1708 and J1939 CAN and includes engine, transmission and ABS coverage. This HD Scan Tool works on 12V and 24V systems to cover most medium and heavy-duty vehicles in North America. It is internet updateable for new and expanded vehicle coverage. Ideal as a shop's second tool, or as a portable on-truck diagnostic tool for field repairs. Includes 16-pin J1962 cable, 9-pin Deutsch cable, and 6-pin Deutsch cable. Features: Read and clear HD standard trouble codes, display code descriptions, display and graph live data, record and playback data streams, brilliant color display, rugged enclosure for durability, class 4-8 truck coverage featuring “Automatic Protocol Search”, HD J1587/J1708 and J1939 CAN, engine, transmission, ABS, and more coverage, global OBDII Quick Test, works on 24V Systems, English, Spanish, and French on-screen text, updateable via Internet, and a demo mode for training.