Ford P0355 OBD-II Trouble Code Definition: P0355 Ignition Coil 5 Primary/Secondary Circuit P0355 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0355 Ignition Coil “E” Primary/Secondary Circuit What does the code mean? OBD-ii Code P0355 definition: The COP (coil on plug) ignition system is what is used on most modern engines. There is an individual coil for […]