I have a 2000 Audi TT 180bhp. The windows have started opening fully themselves when the car is locked. Local Audi dealer says they haven't heard of the issue before. They tried to connect to the diagnostics machine but say they couldnt get a reading. No communication between engine Ecu /dash cluster available via ODIS or VAS. What is the cause of the windows opening as I have had no issues until now. Any pointers ?