OP-COM CAN BUS INTERFACE OP-COM is a PC based diagnostic program for OPEL CARS, support CAN BUS OP-COM CAN BUS ... all Opel cars, even new cars with CAN-BUS based diagnostic, such as Vectra-C, Astra-H, ... Unit, just to name a few examples.The diagnostic inteface is USB port based, so there will ... can only be used with a special interface hardware. Asimple serial or USB port based standard interfaces (K, KKL ...