The Launch Tech CR-HD is used to diagnose and clear heavy duty diagnostic trouble codes. The CR-HD can monitor all data and view live data streams. This tool covers J1587, J1708 and J1939 and OBDII protocols for accessing engines, transmissions, brakes and more. It is ergonomic, features a 2.8” full color LCD display, includes a 6-pin and 9-pin Deutsch connectors and a 16-pin connector, and is highly portable and easy to use, according to the company.