I have a Komplete 15 Collectors Edition.  For some time now, I have not been able to use the Expression pedal to control the wah in GR6.  I now have GR7 and have also noticed the following:
- The Expression pedal and sustain pedal do work as they show 0 / 127 on Logic when operated.
 - Neither work on GR6 or pianos such as The Gentleman / Alicia’s keys etc.
 - I have tried the online suggestions in articles etc.
 
I would have attached some video to show some of these points, but the system does not allow video.  I have configured the Expression and sustain pedal in the stand alone Komplete Kontrol, plus shut the computer down and plugged everything back in.  No change.
Any help gratefully received.
Peter