The TBAS is just one part of the PCSM. PCSM consists of your AFOQT scores, flying hours, and the TBAS. If you're going for a pilot slot then your AFOQT pilot score is calculated into it.
My pilot score on the AFOQT went down 11 points when the new PCSM 2.0 came out. That's why I'm saying it's...