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How to Solve VXDIAG Subaru SSM3 ‘Communication Initialization Failed’?


Problem:

My vxdiag vcx Subaru SSM4 works fine on a 2014 Subaru Forester, but when I tested another 2013 Subaru Outback with SSM3, it failed to communicate. Error ‘Communication initialization failed. ‘

Any solution?

 VXDIAG Subaru SSM3 ‘Communication Initialization Failed’

Solution:

In SSM3 at the starting screen, if you click on the top right “I/F Box”, there is only “Subaru Diagnostic Interface”, and “Denso DST-I”.

Make sure the “I/O box” is set to “SDI (Subaru Diagnostic Interface)”, it is connecting now.

 VXDIAG Subaru SSM3 ‘Communication Initialization Failed’ solution
SSM3 Subaru diagnostic interface SDI
In SSM4, set up the interface as VXDIAG
In SSM4, set up the interface as VXDIAG