Trans wont shift from low to high ? on 1994 Ford Probe

V6 Auto runs and drives good , just wont shift

Asked by for the 1994 Ford Probe
2 answers
seek a free diag and est from aamco
I just had the same problem.. it was the shift sensor.. part was 150$.. easy fix and running great now!! I had it hooked up to diagnostic and the code came right up