P0753 JEEP 3-4 Shift Solenoid Relay

Possible causes

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

When is the obd code mean?

ECM has detected an open or shorted condition on the relay circuit

Symptoms

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

P0753 JEEP OBD Code Description

Shift solenoid valve 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.