... -BUS based diagnostic, such as Vectra-C,Astra-H, Zafira-B. 2, The program lets you to read out and clear fault codes ... works as a multiplexer, and selects the appropriate pin for communication. 5, Fault codes will be shown with all available information. 6, Full ... print out, save, or copy the fault codes to any other application. 8, From the fault codes window, you can go directly to the ...