Hello PTC!

I have a Custom 22 Soapbar from 2008 that I love. It has incredible tone. That said, its volume knob is nearly unresponsive. It adjusts tone a bit from level 10 to 2 where from 2 to 1 there is a noticeable volume drop. This is my only PRS that responds this way--does it have something to do with the P90s?

If not, can the PTC change this for me? Does the guitar need something like a treble bleed cap? My SASNF for instance has a very sensitive and usable volume knob. I'd love it if my Soapie had its volume flexibility.