Secondary Air Injection System Switching Valve A Circuit Open
Secondary Air Injection System Switching Valve A Circuit Open: the circuit is open. Likely a broken wire, disconnected connector, or failed component.
Affected components
- Secondary air injection valve
Common causes
- High likelihood: Open winding or wire
- Low likelihood: Pin pushed back out of connector body
- Low likelihood: Cracked solder joint inside the module or sensor
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.