Operation CHARM: Car repair manuals for everyone.

Harsh Shifts

1. Throttle position sensor open or shorted circuit.

2. Vehicle speed sensor open or shorted circuit.

3. Pressure switch assembly contaminated or damaged seals

4. Transmission fluid temperature sensor open or shorted circuit.

5. Engine coolant temperature sensor circuit open or shorted circuit.

6. Pressure control s9lenoid contaminated or damage to pins.