It’s a customer solution to Star diagnosis DAS fault (1.2)-2.503.13011 error. Here is what he talked about the SD connect error and the solution helps.
I have two SD connect c4 multiplexer here and both show me the same problem. Fault (1.2) 2.503.13011
Initialization of diagnosis multiplexer failed.
The link between the diagnosis multiplexer and the diagnostic socket is interrupted.
The link between the diagnostic multiplexer and the diagnostic unit is interrupted.
The voltage supply at the diagnostic socket (circuit 30 and (or) circuit 31) is faulty.
When using SDconnect,check the connection status using the Toolkit.
How to solve DAS fault (1.2)-2.503.13011:
1. Go to c:\program files…\-\DAS\bin
2. rename gbf folder to gbf_ori
3. copy the 07-2016 gbf to the DAS\bin