Is any one out there good on VW locking systems, This one is CAN controlled the locking system works ok off the key in the drivers door as one turn to the left locks all doors,one turn to the right unlocks the drivers door and two turns to the right unlock all the doors, but when using the remote pressing the lock button locks all the doors,press the unlock button once unlocks the drivers door but when you press the unlock button twice it will NOT unlock all the doors,can anyone tell me if the fob gives out a different code when the unlock button is pressed twice within a certain time or is it the CCU that determines the unlock state, maybe someone has come across this fault before.