Operation CHARM: Car repair manuals for everyone.

No 2-3 Shift

NO 2-3 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. Oil pump assembly damaged or leaking.
5. Direct clutch assembly damaged.
6. Intermediate/OD servo piston, rod bore, or rod damaged.
7. Leaking air pressure in servo apply and servo release circuits.