AutoCodes – Subaru – P0662 Subaru

P0662 Subaru Code - Intake Manifold Tuning Valve Control Circuit High Bank 1

Quick Answer

The Engine Control Module (ECM) continuously monitors the Intake Manifold Tuning Valve (IMTV) system during the Key ON engine OFF or key ON engine running self-test. Common causes include Faulty Intake Manifold Tuning Valve (IMTV), Intake Manifold Tuning Valve harness is open or shorted, Intake Manifold Tuning 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: P0662 Subaru indicates Intake Manifold Tuning Valve Control Circuit High Bank 1.
Common causes: Common causes include Faulty Intake Manifold Tuning Valve (IMTV), Intake Manifold Tuning Valve harness is open or shorted, Intake Manifold Tuning 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.

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Code Popularity 3,798

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 Dec 14, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0662 Subaru Description

The Engine Control Module (ECM) continuously monitors the Intake Manifold Tuning Valve (IMTV) system during the Key ON engine OFF or key ON engine running self-test. The Diagnostic Trouble Code (DTC) will be set when the Engine Control Module detects a high signal from the Intake Manifold Tuning Valve.

OBDII Code P0662 Subaru - Intake Manifold Tuning Valve Control Circuit High Bank 1 - AutoCodes.com — P0662 Subaru Code - Intake Manifold Tuning Valve Control Circuit High Bank 1

What does this mean?

What are the Possible Causes of the DTC P0662 Subaru?

Faulty Intake Manifold Tuning Valve (IMTV)
Intake Manifold Tuning Valve harness is open or shorted
Intake Manifold Tuning Valve circuit poor electrical connection

How to Fix the DTC P0662 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 P0662 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.

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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 P0662 Subaru Code

1. What are the common symptoms of OBDII code P0662 in a Subaru related to the Intake Manifold Tuning Valve Control Circuit High Bank 1?

- Common symptoms include engine stalling, rough idling, reduced power, and the illumination of the Check Engine Light.

2. What can cause the Intake Manifold Tuning Valve Control Circuit High Bank 1 code P0662 in a Subaru?

- Possible causes include a faulty intake manifold tuning valve control solenoid, damaged wiring or connectors, or a problem with the intake manifold runner control system.

3. How can I diagnose the cause of OBDII code P0662 in my Subaru?

- Diagnosis typically involves using a scan tool to read the trouble codes, testing the intake manifold tuning valve control solenoid, inspecting wiring for damage, and checking the intake manifold runner system for proper operation.

4. Is it safe to drive my Subaru with the P0662 code related to the Intake Manifold Tuning Valve Control Circuit High Bank 1?

- It is not recommended to drive your Subaru with this code as it can lead to poor engine performance and potentially cause further damage if left unresolved.

5. Can I repair the Intake Manifold Tuning Valve Control Circuit High Bank 1 code P0662 in my Subaru myself?

- Depending on your skill level and access to tools, you may be able to repair this code yourself by replacing the faulty components or repairing damaged wiring.

6. How much does it typically cost to repair the P0662 code in a Subaru at a professional repair shop?

- The cost of repairs can vary depending on the exact cause of the issue, but it generally ranges from $200 to $500 for parts and labor.

7. Will resetting the Check Engine Light resolve the P0662 code related to the Intake Manifold Tuning Valve Control Circuit High Bank 1 in my Subaru?

- Resetting the Check Engine Light may temporarily turn it off, but it will not fix the underlying issue causing the code to appear.

8. What is the function of the intake manifold tuning valve control system in a Subaru?

- The intake manifold tuning valve control system helps optimize engine performance by adjusting the length of the intake manifold runners to enhance airflow and efficiency.

9. Can a dirty or clogged intake manifold cause the P0662 code to appear in a Subaru?

- While a dirty or clogged intake manifold may not directly cause the P0662 code, it can affect the overall performance of the intake manifold system and potentially lead to related issues.

10. How can I prevent the recurrence of the P0662 code in my Subaru after repair?

- Regular maintenance, such as keeping the intake system clean and inspecting wiring for damage, can help prevent the P0662 code from reappearing in the future.