Engine Runaway or Slip When Up or Downshifting

1. Fluid level too low or fluid contaminated.
2. Incorrectly adjusted throttle cable.
3. Malfunctioning control valve(s).
4. Defective oil pump.
5. Problem in hydraulic circuit.
6. Defective forward clutch.
7. Defective coasting clutch.
8. Defective 3-4 clutch.
9. Defective 2-4 brake and/or servo.
10. Defective one way clutch 1.
11. Defective one way clutch 2.