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Engine-Codes – Subaru – P0413 Subaru

P0413 Subaru Code - Secondary Air Injection System Switching Valve 'A' Circuit Open

Quick Answer

The P0413 code for Subaru vehicles indicates a problem with the Secondary Air Injection System Switching Valve 'A' Circuit, specifically an open circuit. Common causes include Faulty secondary air injection system switching valve, Damaged wiring or connectors in the circuit, Blown fuse related to the switching valve circuit. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0413 Subaru indicates Secondary Air Injection System Switching Valve 'A' Circuit Open.
Common causes
Common causes include Faulty secondary air injection system switching valve, Damaged wiring or connectors in the circuit, Blown fuse related to the switching valve circuit.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0413 Subaru Description

The P0413 code for Subaru vehicles indicates a problem with the Secondary Air Injection System Switching Valve 'A' Circuit, specifically an open circuit. The secondary air injection system is an emissions control system that helps reduce harmful pollutants by injecting fresh air into the exhaust system. When the switching valve 'A' circuit is open, it means that there is a lack of electrical continuity in the circuit, which prevents the switching valve from functioning properly. This can lead to an imbalance in the air-fuel mixture, reduced engine performance, and increased emissions.

OBDII Code P0413 Subaru - Secondary Air Injection System Switching Valve 'A' Circuit Open
P0413 Subaru Code - Secondary Air Injection System Switching Valve 'A' Circuit Open

Common Causes of P0413 Subaru

  1. Faulty secondary air injection system switching valve
  2. Damaged wiring or connectors in the circuit
  3. Blown fuse related to the switching valve circuit
  4. Malfunctioning engine control module (ECM)
  5. Corrosion or debris blocking the switching valve

Symptoms of P0413 Subaru

  1. Check engine light is illuminated
  2. Rough idling or engine misfires
  3. Decreased engine performance
  4. Increased emissions
  5. Failed emissions test

How to Fix P0413 Subaru

  1. Use an OBD-II scanner to diagnose the P0413 code and pinpoint the exact cause of the open circuit.
  2. Inspect the secondary air injection system switching valve 'A' circuit for any visible damage, such as frayed wires or corroded connectors.
  3. Test the switching valve for proper functionality and replace it if it is faulty.
  4. Check and replace any blown fuses related to the switching valve circuit.
  5. Clear the trouble codes, reset the check engine light, and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0413 Subaru

The typical repair cost for addressing the P0413 code in a Subaru vehicle can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and engine type can also influence repair costs. It is recommended to obtain quotes from multiple auto repair shops to ensure a fair price for the necessary repairs.

When is the Code Detected?

The DTC P0413 is detected the the AIR vacuum control solenoid circuit not operating as desired by the PCM.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0413 Subaru Code

1. What are the common symptoms of OBDII code P0413 in a Subaru related to the Secondary Air Injection System Switching Valve 'A' Circuit Open?

- Common symptoms include the check engine light coming on, rough idling, decreased engine performance, and potentially increased emissions.

2. What can cause the OBDII code P0413 in a Subaru?

- The code P0413 is typically triggered by a malfunction in the Secondary Air Injection System Switching Valve 'A', which can be caused by a faulty valve, wiring issues, or a disconnected electrical connector.

3. How serious is the OBDII code P0413 in a Subaru?

- While the code itself may not cause immediate harm to the vehicle, it can lead to increased emissions and potential issues with passing emissions tests in some regions.

4. What should I do if my Subaru has the OBDII code P0413?

- It is recommended to have your vehicle diagnosed by a qualified mechanic to determine the exact cause of the code and proceed with necessary repairs to prevent further issues.

5. Can I continue driving my Subaru with the OBDII code P0413?

- It is generally safe to drive the vehicle with the code P0413, but it is advised to address the issue promptly to avoid potential long-term damage to the emission control system.

6. How can I repair the OBDII code P0413 in my Subaru?

- Repairing the code P0413 typically involves inspecting and testing the Secondary Air Injection System Switching Valve 'A', checking the wiring and electrical connections, and replacing any faulty components as needed.

7. Will resetting the OBDII code P0413 in my Subaru make it go away permanently?

- Simply resetting the code may temporarily turn off the check engine light, but if the underlying issue is not addressed, the code is likely to reappear after driving the vehicle for some time.

8. How much does it cost to fix the OBDII code P0413 in a Subaru?

- Repair costs for the code P0413 can vary depending on the exact cause of the issue, but it is recommended to budget for diagnostic fees, parts replacement costs, and labor charges.

9. Can I inspect and repair the OBDII code P0413 in my Subaru by myself?

- While some experienced DIYers may be able to diagnose and fix the issue, it is generally recommended to have a professional mechanic with the right tools and knowledge handle the repair to ensure proper resolution.

10. Will the OBDII code P0413 cause my Subaru to fail an emissions test?

- Yes, the code P0413 is related to the Secondary Air Injection System, and if left unresolved, it can lead to increased emissions, potentially causing the vehicle to fail an emissions test.

Discuss the causes and fixes for P0413 Subaru OBDII Code

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  • HI, I am missing the Secondary air pump on my Subaru impreza N/A 2007 (Long Story), and I got this codes: 2x P0413, P2433, P0418, I just wanted to know if this codes are preventing my car from starting? Because it cranks and won't start, I checked everything even fuel pump everything is working so I think one of this codes is not letting the car start... Someone knows??

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