hi all need help have this audi came in customer asked us to fit a automatic transmision it was second hand so don't know its history we fitted it runs good for around 200 metres them all the letter for all the gears light up on dash think its (safe mode). It them stays in 4th gear till you restart the car & same again. fault code p0717 input turbine/speed sensor A circuit -G182 no signal, on live data when driving 1500RPM input speed 0.0 r/min & output speed -g195 1152 r/min. Need to know what is the turbine sensor where is it placed & has anyone had this problem. many thanx