... OP-COM CAN BUS INTERFACE OP-COM is a PC based diagnostic program for OPEL CARS, support CAN BUS ... all Opel cars, even new cars with CAN-BUS based diagnostic, such as Vectra-C, Astra-H, Zafira ... a few examples.The diagnostic inteface is USB port based, so there will be NO COMPATIBILITY ISSUES, with ... is the main reason, why only the USB port based interface isavailable for CAN-BUS.Compared to the TECH2, ...