P0751 LEXUS Shift Solenoid A Performance

Possible causes
– Low transmission fluid level
– Dirty transmission fluid
– Faulty shift solenoid ‘A’ valve
– Shift solenoid ‘A’ valve harness or connectors
– Shift solenoid ‘A’ 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.
– Engine Light ON (or Service Engine Soon Warning Light)
– Transmission will not shift gears.
P0751 LEXUS OBD Code Description

Shift solenoid valve A 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.

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