We are MotionHouse.
Here's how to run Project Cars from MHServicer.
(The image below is an image captured from a PC, but you can also select the same menu in the Console.)
1. Select the System menu.
2. Set the UDP frequency to 1.
Select UDP Protocol Version (UDP Protocol Version) as Project Cars 2.
3. Activate Project Cars 2 from MHServicer, Console tab.
4. Start the game in the Console.