We had a car towed in today with a suspect gearbox fault.seems to clunk into drive then stays into one gear.connected vag-com and came up with 2 codes.17116 2nd gear wrong ratio and 17114 clutch slipping solenoid valve.transmission speed sensor.havent had anything to do with auto boxes before.could be faulty sensors or something inside box upsetting the sensors.not sure what next step is.have any one had any experience of similar fault.Thanks