P0414 OBD II Trouble Code Secondary Air Injection System Switching Valve A Circuit Shorted

Symptoms of P0414 OBD II Trouble Code

  • Constant SAI pump activation (short to voltage)
  • No SAI pump activation (short to ground with a blown fuse)
  • Loud whining from SAI pump

Common Causes of P0414 OBD II Trouble Code

  • Shorted wiring, components, and/or connectors in the SAI system
  • Shorted SAI pump

Severity of P0414 OBD II Trouble Code

A stored code P0414 should not be considered severe. The SAI system is related only to exhaust emission reduction and is not vital to engine operation. However, if the SAI circuit is shorted to voltage, constant motor activation could result in a discharged battery.