


Your mux may still work if one circuit is burned like CanBus circuit burned but still you have other 2 working on K-line and L-lineĭetailed possibilities of unsuccessful communication:ġ COM port setup improperly or broken COM serial on the laptopĢ New models that old STAR C3 cannot support So the error is 9504 means mux is read by software and mux is burnedīut C3 mux is working on 3 main communication objects: The voltage supply at the diagnostic socket (circuit 30 and (or) circuit 31) is faulty.Įrror code 95xx: C3 mux settings is committedĮrror code 9551: means no C3 mux is connectedĮrror code 9504: means Star C3 is connected and error in muxĮrror code 9500: means C3 is connected but error in COM settings to COM2Įrror code 99xx: means C4 mux settings is committed The link between the diagnosis multiplexer and the diagnostic unit is interrupted. Possible causes: The link between the diagnosis multiplexer and the diagnostic socket is interrupted. Initialization of diagnosis multiplexer failed. I have had a diagnostic machine STAR C3 for a while and i decided to try and make it work, but every time i try to communicate with the car i get an error message saying :
