Audi A4 2008my A/c display fault on MMi screen

Audi A4 2008my
Vin : WAUZZZ8K68A036902
ENG: CAG

Hello Guys,

I am working on this car, customer has replaced the A/C panel, He brought it to us for programming. via TV my contact has programmed the ac panel.The problem is on the screen/MMI when it is suppose to display the Ac temperature/air flap position there is nothing. Any idea on what needs to be done to rectify?.