Gearbox malfunction warning message

Luke willgoss

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Hi People
Soo I was driving back from work when this message appeared gearbox malfunction, lost Power and revs shot Right up, few seconds later it was fine then the message appeared again this time it said with limited function.
I got home plugged the obd 11 in and these are the codes it came up with.
P11B200-cam shaft actuator A cylinder 5
P073000 incorrect gear ratio
P072200-output speed sensor
P072100 output speed sensor circulation range and performance.
U102600 transmission control module read out DTC.
Audi charge £60 just for diagnostics, so God knows what they will charge to fix the issue, I heard this could be TCU which is in the gearbox on some models apparently and very expensive part, any advice is greatly appreciated
Thank you

Luke
 
I have 'gearbox malfunction' back nine months after my mechatronics unit was replaced under warranty. Not very happy, and wondering what my options are