No Gear Shift to O/D - 5 Speed Automatic

No Gear Shift to O/D
System Description
TCM does not shift to 5th gear under any of the following condition.
^ O/D OFF signal is inputted. ("O/D OFF" lamp ON)
^ 4WD LOW switch is turned ON. (4L mode)
^ Engine coolant temperature is lower than 50°C (122°F).
^ A/T fluid temperature is lower than 30°C (86°F).
^ O/D off signal by cruise control module is ON.
^ TCM detects the following DTCs.
DTC P0712, P0713, P0717, P0722, P0752, P0781, P0797, P0962, P0963, P0966 P0967, P0970, P0971, P0973, P0974, P0976, P0977, P0985, P0986, P1701, P1703 and P2763

Troubleshooting

Steps 1-4:

Steps 5-7:

WARNING:
^ When performing a road test, select a place where there is no traffic or possibility of a traffic accident and be very careful during testing to avoid occurrence of an accident.
^ Road test should be carried out with 2 persons, a driver and tester, on a level road.