P0413 OBD II Trouble Code Secondary Air Injection System Switching Valve A Circuit Open
Symptoms of P0413 OBD II Trouble Code
- There are likely to be no symptoms associated with this code
- A hissing or chugging noise from the SAI pipes or pump is possible
- Loud whining from SAI pump
Common Causes of P0413 OBD II Trouble Code
- Burnt or broken wiring and/or connectors in the SAI system
- Frozen SAI pump (in geographic areas of extreme cold climate)
- Defective SAI pump
- Faulty SAI pump relay
- Bad SAI pressure sensor
Severity of P0413 OBD II Trouble Code
The SAI system is related only to exhaust emission reduction and is not vital to engine operation. A stored code P0413 should not be considered severe.