Hello,

Here is my concern I have an Audi Q7 there was a leakage of water at the roof opening water is to go back in the trunk
Today repair but the car has some problem

The car remains in the low position

The Gps no longer works the mmi switches on at first contact then no more black screen

Diagnostic odis
J401 Navigation system control unit DEFAULT

R147 digital radio DEFAULT

J507 Voice Function Control Device DEFAULT

I would like to know if it is possible to repair these three calculator or if it is obligatory to change