Gearbox malfunction

[pink]

Anybody know where I can get my gearbox mechatronics unit checked as I have lost my reverse gear and have a warning sign audi talking thousands of van need a quick fix west Midlands area anybody body know a good mechanic for the job 

[Steve Q]

Have you had a diagnostic check to see if any fault codes flag up? 

When was the gearbox last serviced? If s tronic it can stop engaging gears if the oil is degrading. 

Does the gear selector light up as normal? 

[Dorianb]

Did you find out what it was mine just done exactly the same now. Please let me know.