Symptoms

- Engine Light ON (or Service Engine Soon Warning Light) - Transmission shift shock

Possible Causes

- Faulty line pressure solenoid valve B - Line pressure solenoid valve B harness or connectors - Line pressure solenoid valve B circuit is open or shorted - Low transmission fluid level - Dirty transmission fluid

When Detected

The P0775 is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

Description

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