Got these codes on a 53 plate bora tdi,had a check done on vag-com as car is difficult to start when cold...I.E first thing in the morning. These were the only codes i got. 00849 s-contact at ignition/starter switch (D) 25-00 unknown switch condition. 00779 outside air temp open or short. Would these make it difficult to start in the morning when car is cold?