Alright, took car for a 50mi freeway drive...
Shift points:
1-2; 2-3 = 4500RPM
3-OD = 5000rpm
Error code = P0123
Low and dropping idle, but accel is fine off the line, so vacuum leak seams unlikely to be issue.
And yes, I'll search forums regarding P0123, but please let me know if there...