AutoCodes – Subaru – P1103 Subaru

P1103 Subaru Code - Pressure Sources Switching Solenoid Valve Circuit

Quick Answer

P1103 Subaru indicates Pressure Sources Switching Solenoid Valve Circuit. Common causes include Faulty Pressure Sources Switching Solenoid, Pressure Sources Switching Solenoid harness is open or shorted, Pressure Sources Switching Solenoid circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1103 Subaru indicates Pressure Sources Switching Solenoid Valve Circuit.
Common causes: Common causes include Faulty Pressure Sources Switching Solenoid, Pressure Sources Switching Solenoid harness is open or shorted, Pressure Sources Switching Solenoid circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 8,003

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 14, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1103 Subaru Description

OBDII Code P1103 Subaru - Pressure Sources Switching Solenoid Valve Circuit - AutoCodes.com — P1103 Subaru Code - Pressure Sources Switching Solenoid Valve Circuit

What does this mean?

What are the Possible Causes of the DTC P1103 Subaru?

Faulty Pressure Sources Switching Solenoid
Pressure Sources Switching Solenoid harness is open or shorted
Pressure Sources Switching Solenoid circuit poor electrical connection

How to Fix the DTC P1103 Subaru?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1103 Subaru code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1103 Subaru code?

Need more information on how to fix the P1103 Subaru code? Get Access to Factory Service Manuals

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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 P1103 Subaru Code

1. What are the common symptoms of OBDII code P1103 in a Subaru?

- Common symptoms include rough idling, engine stalling, reduced fuel efficiency, and illuminated Check Engine Light.

2. What does the Pressure Sources Switching Solenoid Valve Circuit do in a Subaru?

- The solenoid valve controls the switching between different pressure sources within the vehicle's emission control system.

3. What can cause the P1103 code to trigger in a Subaru?

- The code can be triggered by a faulty solenoid valve, damaged wiring or connectors, vacuum leaks, or a problem with the pressure sensor.

4. How can I diagnose the cause of the P1103 code in my Subaru?

- Diagnose the code by checking the solenoid valve, inspecting the wiring for damage, testing the pressure sensor, and scanning for vacuum leaks.

5. Can I continue driving my Subaru with the P1103 code?

- It is not recommended to continue driving with the P1103 code as it can lead to engine performance issues and potential damage to the emission control system.

6. How can I repair the Pressure Sources Switching Solenoid Valve Circuit in my Subaru?

- Repair typically involves replacing the faulty solenoid valve, repairing damaged wiring or connectors, fixing any vacuum leaks, or replacing the pressure sensor if needed.

7. Will resetting the Check Engine Light resolve the P1103 code in my Subaru?

- Resetting the Check Engine Light will clear the code temporarily, but the underlying issue causing the code will need to be diagnosed and repaired to prevent it from returning.

8. Can a DIY enthusiast fix the P1103 code in a Subaru?

- DIY enthusiasts with automotive repair knowledge and the right tools can potentially fix the P1103 code, but complex issues may require professional diagnosis and repair.

9. How much does it typically cost to repair the P1103 code in a Subaru?

- The cost of repairing the P1103 code in a Subaru can vary depending on the exact cause, but it can range from $100 to $500 or more, including parts and labor.

10. How long does it take to repair the Pressure Sources Switching Solenoid Valve Circuit in a Subaru?

- The repair time for the P1103 code can vary based on the specific issue, but it may take anywhere from 1 to 3 hours for a mechanic to diagnose and fix the problem.