P0413

AIR System Switching Valve A Circuit Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increase in harmful emissions
Check Engine Light Is On
Reduced engine efficiency during cold start

Causes

Broken wiring harness
Secondary air system valve malfunction
Relay problems
Short circuit in the circuit
Engine control unit (ECU) malfunction

How to Fix

Check the integrity of the wiring harness
Check the operation of the secondary air system valve
Check relays and fuses
Scan the engine control module for additional errors
Replace faulty components

Related codes

P0410 P0411 P0412