Transmission was rebuilt but still won't shift. Could the speed sensor be bad? on 1994 Ford Taurus

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Car tries to shift when cold but won't come out of first after warming up
(2) Answers
(2) Comments
Possible! I guess you are just going to have to fix it for nothng or you might lose this customer! Got a scanner?
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