VW Volkswagen Apple CarPlay USB Port Modded To Allow CarPlay. Part 5Q0 035 726 E Fault Code U11B800 

VW Volkswagen Apple CarPlay USB Port Difference To Allow CarPlay.
The purple USB port will not allow CarPlay communication just charging.
The green one is specifically for CarPlay.
Part number 5Q0 035 726 E
When changing shave the tooth off on the purple wired connector to allow for the green port to fit.
Usually when you get a fault code U11B800.
Interface for external media
No Communication