Ford P0356 OBD-II Trouble Code Definition: P0356 Ignition Coil 6 Primary/Secondary Circuit P0356 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0356 Ignition Coil “F” Primary/Secondary Circuit What does the code mean? OBD-ii Code P0356 definition: The COP (coil on plug) ignition system is what is used on most modern engines. There is an individual coil for […]