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, P1703, P2763 and U0001