For 1990-2009 cars

#### Harsh Shifts

Checks | Causes
--- | ---
Throttle Position Sensor | Open or shorted circuit
Vehicle Speed Sensor (36) or Input Speed Sensor (250) | Open or shorted circuit
Automatic Transmission Fluid Pressure (TFP) (69) |

• | Contamination

• | Damaged seals

Trans Fluid Temperature Sensor (Part of 69) | Open or shorted circuit
Engine Coolant Temperature Sensor | Open or shorted circuit
Pressure Control Solenoid (377) |

• | Damage to electrical terminals

• | Contamination