sometimes the head of the sensor just wears out and gets chopped up in the trans.
its just like any other sensor though, time/heat/weather/friction all cause a sensor to go

and yes you can pull the codes from a 95
and actually the keydance works on my car which is a 98 (made in 98)
it only works on avengers/sebrings though, not sure why mitsu disabled it or whatever for the eclipses

1998 dodge avenger 4 cyl AT
Mods are:
Not enough