OBD Guide

P0413

AIR System Switching Valve A Circuit Open

P0413 is an OBD-II diagnostic trouble code meaning: AIR System Switching Valve A Circuit Open. Common causes: broken wiring harness, secondary air system valve malfunction. Estimated repair cost: $56–167.

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

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

Related codes

Error P0413 by Vehicle Brand

FAQ

What does the P0413 code mean?

P0413 is an OBD-II diagnostic trouble code that indicates: AIR System Switching Valve A Circuit Open

What causes a P0413 error code?

The most common causes of P0413 include: Broken wiring harness; Secondary air system valve malfunction; Relay problems; Short circuit in the circuit.

How do I fix a P0413 diagnostic trouble code?

To fix P0413: Check the integrity of the wiring harness. Check the operation of the secondary air system valve. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0413?

Limited driving only, diagnose soon

How much does it cost to fix P0413?

The estimated repair cost for P0413 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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