hi all new to this .i have audi a5 cab 2011 done some up grades led headlights and sat nav changed gateway and central electronic unit .all works fine but i have grayed out areas on 3g mmi screen and fault codes .5f imformation control unit 1..03278-02387-02612-03157. i have rostech but the long coder does not help .any one got any idea cheers
