The CanDo HD Code Plus CAT, No. HDCODEPCAT, is a heavy duty scanner used for diagnosing Class 4 to Class 8 heavy duty trucks. It covers J1587, J1708 and J1939 protocols for engine, ABS and transmission. A CAT 9 adapter cable for Caterpillar is also included, along with increased coverage for International, Hino, Isuzu and Hybrid HD. This unit can read and clear codes, as well as view and graph live data. Additionally, the HD Code Plus CAT also offers OBDII, EOBD and CAN coverage for gasoline and diesel engines.