Mine worked just fine when plugging the shifter into the USB port on the PS4. Not sure what's going on.I didn't assign any gears and it works perfectly.
What wheel do you use?
I'm using the T300RS plugged the TH8a and the T3pa in the base and that's it.
I do have auto clutch disabled and a button to start the engine
On the ps3 you needed to plug it in a separate USB port, on ps4 you can plug it in the base.
Maybe that's what's wrong my wheel was also not working when plugged in the second port.
Just looked , nowhere to plug in shifter on a T500 ... ? !!!!
Will this work for the T300 also ? That's a great idea đź’ˇJust plug in into the PS4. You can't plug it into the T500, only into the T300. You can assign the buttons for any action you like. I use the shifter for brake balance/Pit requests/seat position