vag com wont communicate with van (t4 2.5tdi 02 888 special)
checked voltage at obd socket
pin 16 = 12v
pin 4 = earth
pin 5 = earth
pin 7 = 12v?
traced wire back to ecu still 12v no connection to radio harness,
ecu still giving 12v with wire disconnected?
does this mean my ecu is knackered...