OBD Code P0777

Pressure Control Solenoid “B” Stuck On

What’s mean?

OBD2 Code P0777 Definition:
The line pressure solenoid B valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM).

Symptoms

Possible sumptoms of P0777
– Engine Light ON (or Service Engine Soon Warning Light) – Transmission shift shock

Possible Causes

Possible causes of P0777
– Faulty line pressure solenoid B valve – Line pressure solenoid B valve harness or connectors – Line pressure solenoid B valve circuit is open or shorted – Low transmission fluid level – Dirty transmission fluid The Error code is generally activated on detection of the following conditions: The gear required by the Engine Control Module (ECM) does not match the actual gear when driving

Possible Solutions