Ford P0554 OBD-II Trouble Code Definition: P0554 Power Steering Pressure Sensor Circuit Intermittent P0554 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0554 Power Steering Pressure Sensor/Switch Circuit Intermittent What does the code mean? OBD-ii Code P0554 definition: Power steering pressure (PSP) sensor is installed to the power steering high-pressure tube and detects a power steering load. […]