Ford P0414 OBD-II Trouble Code Definition: P0414 Secondary Air Injection System Switching Valve A Circuit Shorted P0414 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0414 Secondary Air Injection System Switching Valve “A” Circuit Shorted What does the code mean? OBD-ii Code P0414 definition: The optical sensor provides a high resolution signal to the Powertrain Control Module […]