Excessive High or Low Shift Point

1. Defective inhibitor switch.
2. Defective mode switch.
3. Defective hold switch.
4. Defective idle switch.
5. Defective throttle sensor.
6. Defective throttle generator.
7. Defective 1-2 solenoid.
8. Defective 2-3 solenoid.
9. Defective 3-4 solenoid.
10. Incorrectly adjusted selector cable.
11. Malfunctioning control valve(s).