Ford P0384 OBD-II Trouble Code Definition: P0384 Glow Plug Control Module Circuit High P0384 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0384 Reserved by SAE J2012 What does the code mean? OBD-ii Code P0384 definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk […]