Engine Error
P0413
Secondary Air Injection System Switching Valve A Circuit Open
Severity
Low
Symptoms
Check engine light on, no drivability symptoms
Common Causes
- Unplugged AIR switching valve
- Broken wire in the control circuit
- Failed solenoid inside the valve
- Blown fuse
How to Fix
- 1 Ensure valve connector is seated
- 2 Repair broken wiring
- 3 Replace the switching valve
- 4 Replace blown fuse
Estimated Repair Cost
USD
$20
–
$250
Wiring repair: $100; Switching valve: $100 - $250