Suspention Air Supply Control unit activation

[Hugo Pankratz]

Because of some reason some water entered in my trunk and i had to change the Air supply control unit devide. Yesterday i received the part and after replacing the old one the Leveling system still doesn´t work and the inact. message still keeps informing . I tried it wich an devide from another car and the system works perfectly.
Is there a way to activate the Control unit with out taking the car to the dealer???