I also did a search before posting...the post does provide some info but not the answer.

Let me clarify:
I was hoping to find out if the tpm system is outsourced by Chrysler.
I would assume that it is not exclusive to the crossfire.
If it is manufactured by independent supplier as so many of the parts are ie: (radio by becker, infinity etc., etc.) then the calibration as well as parts should be avail. to the major tire chains?
Anyway, it would seem that the tpm system is used by many other manuf.