hi guys audi a3 2.0tdi 2004 after just fitting a new brake switch had the car scanned and following fault codes 1. accelerator position sensor 2 g1052. alltitude boost presure sensor too lowp1592 3, steering limit stop no or wrong adapter 4,steering angle senser no adaption 5, system funtion test wont clear ,lateral aceleration sensor no adaption6. steering angle sensor no adaption , these are the code . been doing a little research and ROSS TECH points to brake control unit not sure if its correct and its a bit outa my knowledge wanted to ask advice rather than buy all items on the codes maybe it could be down to 1 simple thing thanks