Harsh 2-3 Shift
HARSH 2-3 SHIFT1. Powertrain control system electrical inputs and outputs, wiring harnesses, Powertrain Control Module (PCM), shift solenoids, and transmission range sensor.
2. Faulty main control valve body.
3. Oil pump assembly damaged or leaking.
4. Direct clutch assembly damaged.
5. Intermediate/OD servo piston or piston bore damaged.
6. Leaking air pressure in servo apply and servo release circuits.