Hey,
Here is a sample of pinouts/connection on DDE8xxxxxxx,
DME might be different, but that should give a good idea....and then you can use newtis...
You need both com:PT CAN & FlexRay between FEM & DME/DDE
1: PT CAN between FEM & DDE
A173-FEM(plug A173*8B-PIN48)PT_CAN_H      to DDE(plug A460*1B-PIN56)
A173-FEM(plug A173*8B-PIN48)PT_CAN_L      to DDE(plug A460*1B-PIN57)
and 
2: FlexRay between FEM & DDE
A173-FEM(plug A173*8B-PIN13)FR_BP_1      to DDE(plug A460*1B-PIN14)
A173-FEM(plug A173*8B-PIN14)FR_BM_1      to DDE(plug A460*1B-PIN15)
I guess, that you already know the OBD pinout connections from FEM to your tool  & all positive and negative.
You dont need any resistors in this setup!Tested many times!
Good luck,
S
                      Edited by user
                       
2020-02-21T23:13:13Z
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Reason: Not specified