Ford P0390 OBD-II Trouble Code Definition: P0390 Camshaft Position Sensor B Circuit Bank 2 P0390 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0390 Camshaft Position Sensor “B” Circuit What does the code mean? OBD-ii Code P0390 definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the […]