Mitsubishi Repair: 97 eclipse, transmission control unit, automatic transaxle

Question
i recently began having trouble with my car it would drive normal at first start up until it got warm then when you shut it off start it back up and drive off it would stay in low gear all the time not shift out at all. took it to a local shop to get it checked he said it had the following codes P1782,P0750,P1768,P0700.

Answer
Jerremy,
Sorry for late reply.  All the codes you indicated point to a faulty transmission or faulty transmission control unit.  This could also be the result of a damaged wiring harness.  I would recommend having a transmission shop inspect the tranny for damage.  
P0700-Transmission Control System Malfunction
P0750-Shift Solenoid A Malfunction
P1768-Automatic Transaxle
P1782-Performance/Economy Switch Circuit Out Of Self Test Range

Good luck!