Thrustmaster 488 GT3 Wheel Issues on T-GT

[RaceFuchs]

Hello there,
i just installed the new Thrustmaster 488 GT3 Wheel Add-On on my T-GT base. Neither ACC nor Raceroom recognize the wheel the way they should. I can use most buttons and the shifters, but the rotary encoders cant be assigned to any function in the game. Same is true to the TC switches. I also noticed that the lights on the wheel dont work in the game.

I have seen reviews of this wheel where the lights apparentley work out of the box, but these reviews are using the T818 as the base. I do wonder if these issues are related to the T-GT base. In any case, i'm using the latest firmware on this base. The wheel firmare cannot be updated right now.

Anyone else experiencing these issues?