No 1-2 Shift

NO 1-2 SHIFT
1. Powertrain control system electrical inputs and outputs, wiring harnesses, Powertrain Control Module (PCM), shift solenoids, and transmission range sensor.
2. Low hydraulic line pressure.
3. Faulty main control valve body.
4. Intermediate/OD band and servo assembly damaged or worn.
5. OD/reverse sun gear and shell damaged, weld broken, or lugs damaged.
6. Low and intermediate band anchor area damaged.
7. Leaking air pressure in servo apply and servo release circuits.