Possible causes
– Low transmission fluid level
– Dirty transmission fluid
– Faulty Shaft solenoid valve
– Shaft solenoid valve harness or connectors
– Shaft solenoid valve circuit is open or shorted
– Dirty transmission fluid
– Faulty Shaft solenoid valve
– Shaft solenoid valve harness or connectors
– Shaft solenoid valve circuit is open or shorted
When is the obd code mean?
The P0751 code is detected when the gear required by the ECM does not match the actual gear when vehicle is driven.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Transmission will not shift gears.
– Transmission will not shift gears.
P0751 KIA OBD Code Description
Input shaft 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.