Ford P0388 OBD-II Trouble Code Definition: P0388 Crankshaft Position Sensor B Circuit High Input P0388 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0388 Crankshaft Position Sensor “B” Circuit High What does the code mean? OBD-ii Code P0388 definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on […]