M-Benz DAS fault code

Hello
i have a problem with m_benz E240
the fault code is
P1570 Fault in DAS to engine control Module (A61)
that fault is in Engine control module
Note: the engine can't be switched on
when i try to switch it on there is no sound from the starter
i make a contact to starter relay then the starter rotate
there are no fault codes in immoblizer control module
anybody can help me?
thanks Magdy