Ford P0553 OBD-II Trouble Code Definition: P0553 Power Steering Pressure Sensor Circuit High Input P0553 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0553 Power Steering Pressure Sensor/Switch Circuit High Input What does the code mean? OBD-ii Code P0553 definition: Power steering pressure (PSP) sensor is installed to the power steering high-pressure tube and detects a power […]