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P0660 Hyundai Code - Intake Manifold Tuning Valve Control Circuit Open Bank 1

Quick Answer

The P0660 diagnostic trouble code (DTC) for Hyundai vehicles refers to an issue with the Intake Manifold Tuning Valve Control Circuit on Bank 1. Common causes include Damaged wiring or connectors, Faulty intake manifold tuning valve, ECM malfunction. 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
P0660 Hyundai indicates Intake Manifold Tuning Valve Control Circuit Open Bank 1.
Common causes
Common causes include Damaged wiring or connectors, Faulty intake manifold tuning valve, ECM malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0660 Hyundai Description

The P0660 diagnostic trouble code (DTC) for Hyundai vehicles refers to an issue with the Intake Manifold Tuning Valve Control Circuit on Bank 1. This code indicates that there is an open circuit detected in the control system that manages the intake manifold tuning valve. The intake manifold tuning valve is responsible for adjusting the length of the intake manifold runners to optimize air flow and improve engine performance at different RPM ranges.

OBDII Code P0660 Hyundai - Intake Manifold Tuning Valve Control Circuit Open Bank 1
P0660 Hyundai Code - Intake Manifold Tuning Valve Control Circuit Open Bank 1

Common Causes of P0660 Hyundai

  1. Damaged wiring or connectors
  2. Faulty intake manifold tuning valve
  3. ECM malfunction
  4. Corrosion or debris in the circuit
  5. Poor electrical connection

Symptoms of P0660 Hyundai

  1. Rough idling
  2. Stalling
  3. Hesitation during acceleration
  4. Decreased power output
  5. Check engine light illuminated

How to Fix P0660 Hyundai

  1. Begin by inspecting the wiring and connectors for any visible damage. Repair or replace any damaged components.
  2. Test the intake manifold tuning valve to ensure it is functioning properly. Replace if necessary.
  3. Check the ECM for any faults and address any issues with the control circuit.
  4. Clear the DTC and reset the ECM to see if the code returns after repairs have been made.
  5. Perform a test drive to confirm that the issue has been resolved and that the symptoms associated with the P0660 code have been eliminated.

Cost to Fix P0660 Hyundai

The typical repair costs for addressing the P0660 code on a Hyundai vehicle can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary. Rates may be higher at dealerships or in metropolitan areas, while independent shops may charge less. It's advisable to check local rates for a more accurate estimate of repair costs.

What does this mean?

Tech Notes for P0660 Hyundai









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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 P0660 Hyundai Code

1. What does the OBDII code P0660 mean for a Hyundai?

P0660 indicates an open circuit in the Intake Manifold Tuning Valve (IMTV) Control Circuit on Bank 1.

2. What are the common symptoms of a P0660 code on a Hyundai?

Symptoms include reduced engine performance, poor fuel efficiency, rough idling, and possibly an illuminated Check Engine Light.

3. What causes the P0660 code on a Hyundai?

Common causes include a faulty IMTV solenoid, damaged wiring or connectors, a blown fuse, or issues with the vehicle's powertrain control module (PCM).

4. Can I drive my Hyundai with a P0660 code?

While the vehicle may still be drivable, continued operation can lead to reduced performance and potential engine damage if the issue is not addressed.

5. How do I diagnose the P0660 code on my Hyundai?

Use an OBDII scanner to confirm the code, inspect the IMTV wiring and connectors for damage, and test the solenoid for proper functionality with a multimeter.

6. How is the P0660 code typically fixed?

Repairs may involve replacing the IMTV solenoid, repairing damaged wiring, clearing the code, or in rare cases, replacing the PCM if it's faulty.

7. How much does it cost to fix a P0660 code on a Hyundai?

Repair costs vary but typically range from $100 to $300, depending on parts and labor rates.

8. What happens if I ignore the P0660 code on my Hyundai?

Ignoring the code can lead to worsened fuel economy, decreased engine performance, and potential damage to other engine components.

9. Is the P0660 code specific to Hyundai vehicles?

No, P0660 is a generic OBDII code applicable to many makes and models, but the specific causes and repair procedures may vary by manufacturer.

10. Can a dirty intake manifold cause a P0660 code?

While uncommon, excessive carbon buildup in the intake manifold can sometimes affect the IMTV's operation, contributing to the code.

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