Ford P0416 OBD-II Trouble Code Definition: P0416 Secondary Air Injection System Switching Valve B Circuit Open P0416 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0417 Secondary Air Injection System Switching Valve “B” Circuit Shorted What does the code mean? OBD-ii Code P0417 definition: The optical sensor provides a high resolution signal to the Powertrain Control Module […]