P0771 LEXUS – Shift Solenoid ‘E’ Performance

P0771 LEXUS Possible Symptoms

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

P0771 LEXUS Possible Causes

Low transmission fluid level,Dirty transmission fluid,Faulty shift solenoid ‘E’ valve,Shift solenoid ‘E’ valve harness is open or shorted,Shift solenoid ‘E’ valve circuit poor electrical connection

P0771 LEXUS Description

Shift solenoid valve ‘E’ 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.