BMW e90 Trouble Codes Navigation Problem

[SotirZah]

Hello guys, need help with E90 2007 year 2.0 D . The problem is the navigation brights are low, and its trun of while driving, the controller works only when he wants, but the sound is okey. I Checked the battery voltage is 12.5, its records trouble codes in 3 systems, ASK ( Audio System Controller) - A1A3 CCC - Control Unit Fault and A1A5 ACC-ASK: Control Unit Fault. SGM-ZGM (Safety and gateaway module) - A731 JBE: Supply:Terminal 30G-F and A6D1 JBE : Auxiliary-Water pump and CID ( Central Information Display) A468 CID : Extrenal Open Circuit( LVDS data line) and A46D CID: CID multifunction Due to Periphery. I think my problems come from the Electronik Control Module, because sometimes the Navigation systems lights even the car is locked and the key card is out. Sometimes the car have big consumation too, i think it have problem in the power shuting system too. If anyone have any idea from where to start checking, and if anyone had same problem please share your expiriance. Thanks a lot.

[brend]

Time to change CCC.