AutoCodes – Subaru – P1514 Subaru

P1514 Subaru Code - Idle Air Control Solenoid Valve Signal 3 Circuit Low Input

Quick Answer

The Idle Air Control Solenoid valve is incorporated in the throttle body and regulates the amount of intake air which bypasses the throttle valve built into the throttle body. Common causes include Faulty Idle Air Control Solenoid Valve, Idle Air Control Solenoid Valve harness is open or shorted, Idle Air Control Solenoid Valve 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
P1514 Subaru indicates Idle Air Control Solenoid Valve Signal 3 Circuit Low Input.
Common causes
Common causes include Faulty Idle Air Control Solenoid Valve, Idle Air Control Solenoid Valve harness is open or shorted, Idle Air Control Solenoid Valve 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 13,445
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 26, 2019
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Code P1514 Subaru Description

The Idle Air Control Solenoid valve is incorporated in the throttle body and regulates the amount of intake air which bypasses the throttle valve built into the throttle body. It is activated by a signal sent from the Engine Control Module (ECM) to maintain engine idle speed to the target engine speed.
OBDII Code P1514 Subaru - Idle Air Control Solenoid Valve Signal 3 Circuit Low Input - AutoCodes.com
P1514 Subaru Code - Idle Air Control Solenoid Valve Signal 3 Circuit Low Input

What are the Possible Causes of the DTC P1514 Subaru?

  • Faulty Idle Air Control Solenoid Valve
  • Idle Air Control Solenoid Valve harness is open or shorted
  • Idle Air Control Solenoid Valve circuit poor electrical connection

How to Fix the DTC P1514 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 P1514 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 P1514 Subaru code?

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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 P1514 Subaru Code

1. What are common symptoms of OBDII code P1514 in a Subaru related to the Idle Air Control Solenoid Valve Signal 3 Circuit Low Input?

- Common symptoms include rough idling, stalling at idle, poor acceleration, and potentially a check engine light illuminated on the dashboard.

2. What are some possible causes of the OBDII code P1514 in a Subaru?

- Possible causes include a faulty idle air control solenoid valve, damaged wiring or connectors in the circuit, or a malfunctioning Engine Control Module (ECM).

3. How can I diagnose the cause of the OBDII code P1514 in my Subaru?

- Diagnose by checking the wiring and connectors for any signs of damage, testing the idle air control solenoid valve for proper functionality, and using a diagnostic tool to scan the ECM for any related error codes.

4. Can I drive my Subaru with the OBDII code P1514 present?

- It is not recommended to drive your Subaru with the P1514 code present, as it can lead to engine performance issues and potential further damage if left unresolved.

5. How can I repair the OBDII code P1514 related to the Idle Air Control Solenoid Valve Signal 3 Circuit Low Input in my Subaru?

- Repair options include replacing the faulty idle air control solenoid valve, repairing any damaged wiring or connectors in the circuit, or reprogramming/resetting the ECM if needed.

6. Are there any DIY tips for addressing the OBDII code P1514 in a Subaru?

- DIY tips include carefully inspecting the wiring and connectors for any visible damage, cleaning the idle air control solenoid valve, and ensuring all connections are secure before attempting any repairs.

7. Is it necessary to clear the OBDII code P1514 after making repairs in my Subaru?

- Yes, it is recommended to clear the code after making repairs to reset the ECM and ensure the issue has been properly addressed. This can be done using a diagnostic tool or by disconnecting the battery for a few minutes.

8. How much does it typically cost to repair the OBDII code P1514 in a Subaru at a mechanic or dealership?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor at a mechanic or dealership.

9. Can a Subaru continue to run normally with the OBDII code P1514 if left untreated?

- While a Subaru may continue to run, it is not advisable to ignore the P1514 code as it can lead to poor engine performance, reduced fuel efficiency, and potential long-term damage to engine components.

10. How can I prevent the OBDII code P1514 related to the Idle Air Control Solenoid Valve Signal 3 Circuit Low Input from occurring in my Subaru in the future?

- To prevent the P1514 code, it is important to perform regular maintenance on your Subaru, including checking the idle air control system, keeping up with recommended service intervals, and addressing any issues promptly to avoid potential problems.

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