Code result

P0412

Secondary Air Injection System Switching Valve A Circuit Malfunction

Moderate severity

What it means

Secondary Air Injection System Switching Valve A Circuit: an electrical fault is present in the circuit.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Solenoid winding open or shorted

    high

    One of the most commonly reported causes for this code — check this first.

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