The FCAR Tech F4SN HD Commercial Pad is a compact tablet for heavy duty, super duty, medium duty, and light duty truck repairs as well as off-road utility vehicles. The tool will scan and diagnose Class 1 to 9 engine, transmission, brake, and body control units, and offers full bidirectional functions. The scanner quickly responds and easily scans and tests the trucks variety components and resets vehicle data, and analyze all sensors live data stream. It does auto scan all the components supporting J1708, J1939, and special protocol covered by the auto OEM manufactories.