P0770 LEXUS – Shift Solenoid ‘E’ Malfunction

 

P0770: DIY Repairing Video Tutorial

https://youtu.be/4agd0ub6a6Y

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

P0770 LEXUS Possible Symptoms

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

P0770 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  

P0770 LEXUS Description

  The ECM uses the signals from the Throttle Position Sensor and Air flow Meter to monitor the engagement condition of the lock up clutch. Then the ECM compares the engagement condition of the lock up clutch with the lock up schedule in the ECM memory to detect mechanical trouble of the shift solenoid valve SLU, valve body, torque converter clutch and automatic transmission assembly