OP-COM is a PC based diagnostic program. It covers almost all Opel cars, even new cars with CAN-BUS based diagnostic, such as Vectra-C, Astra-H, Zafira-B. The program lets you to read out and clear fault codes, shows youlive data, lets you to perform output test, and supports remote, andkey programming. The program supports many control units, like Engine, Automatic Transmission, ABS, Airbag, Engine Cooling. Module, Instrument Cluster, Electronic Climate Control, Body Control Unit, just to name a few examples. The diagnostic inteface is USB port based, so there will be NO COMPATIBILITY ISSUES, with serial to USB.