1997 Jeep Cherokee 1997 Jeep Char. P1763 diagnosis from

P1763 Was the diagnosis from AutoZone. Definition governor pressure sensor too high.
Explanation: ECM dectected the governor sensior input was too high.
Probable Causes: Internal Trans failiure. or Open or shorted circuit condition.

What would be the next step to start repair.

Thanks for your help,
Milt