I have cleared all joystick definitions, and disabled 3rd party joy interfces (Axisand Ohs, and FSUIPC). I selected the TBM930 for a test. Re-defined each config - Boeing TCA Yoke, Pendular pedals, TPM (Saitek) throttle quadrant - from scratch, using MSFS native config. The buttons on the left side of the BOEING TCA YOKE (X, Y and POV button) NOW WORK as intended. However, I am still seeing the problem with the PMDG. For those that suspect a hardware problem, please exit FS, then from desktop hit Win+R, and type joy.cpl to bring up the controllers windows. then select your TCA YOKE BOEING, click “Properties”, and test your POV and other buttons. You should responses as you click each button. Mine works fine, until I reach cruise alt in the PMDG 738. Then they are intermittment / non responsive. I am continuing testing today.