Possible causes

– Low transmission fluid level
– Dirty transmission fluid
– Faulty shift solenoid 4 valve
– Shift solenoid 4 valve harness or connectors
– Shift solenoid 4 valve circuit is open or shorted

When is the code detected?

The P0765 code is detected when the ECM energized solenoid and detected an open or shorted condition

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)
– Transmission will not shift gears

P0765 FORD Description

Shift solenoid valve 4 is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.