AutoCodes – KIA – P1506 KIA

P1506 KIA Code - Idle Air Control Valve Opening Coil Voltage High

Quick Answer

P1506 KIA indicates Idle Air Control Valve Opening Coil Voltage High. Common causes include Faulty Idle Air Control Valve, Idle Air Control Valve harness is open or shorted, Idle Air Control 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: P1506 KIA indicates Idle Air Control Valve Opening Coil Voltage High.
Common causes: Common causes include Faulty Idle Air Control Valve, Idle Air Control Valve harness is open or shorted, Idle Air Control 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 8,485

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

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Table of contents Created and updated by William Orellana on Aug 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1506 KIA Description

OBDII Code P1506 KIA - Idle Air Control Valve Opening Coil Voltage High - AutoCodes.com — P1506 KIA Code - Idle Air Control Valve Opening Coil Voltage High

What does this mean?

What are the Possible Causes of the DTC P1506 KIA?

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

How to Fix the DTC P1506 KIA?

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 P1506 KIA 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 P1506 KIA Code

1. What does the OBDII code P1506 mean on a KIA?

P1506 indicates that the Idle Air Control (IAC) Valve Opening Coil Voltage is too high, which means there is an issue with the IAC valve or its circuit.

2. What are the symptoms of code P1506 on a KIA?

Common symptoms include rough idling, stalling, high or fluctuating idle RPMs, and the check engine light being illuminated.

3. What causes the P1506 code to appear on a KIA?

Possible causes include a faulty IAC valve, damaged wiring or connectors in the IAC circuit, a vacuum leak, or a malfunctioning engine control module (ECM).

4. Can a vacuum leak trigger the P1506 code on a KIA?

Yes, a vacuum leak can cause irregular idle behavior and may result in the IAC valve overcompensating, triggering the P1506 code.

5. How can I diagnose the P1506 code on my KIA?

Start by inspecting the wiring and connectors for the IAC valve, checking for vacuum leaks, and testing the IAC valve's resistance and operation with a multimeter.

6. Can I drive my KIA with a P1506 code?

Driving with a P1506 code is not recommended, as rough idling and stalling could lead to unsafe driving conditions or further engine damage.

7. How do I fix the P1506 code on a KIA?

Repairs may involve cleaning or replacing the IAC valve, repairing damaged wiring or connectors, fixing vacuum leaks, or reprogramming/replacing the ECM if necessary.

8. How much does it cost to fix the P1506 code on a KIA?

The cost depends on the repair needed. Cleaning or replacing the IAC valve may cost $150â€“$400, while fixing wiring or vacuum leaks could vary depending on labor costs.

9. Can a dirty throttle body cause the P1506 code on a KIA?

Yes, a dirty throttle body can affect airflow and idle control, potentially causing the IAC valve to malfunction and triggering the P1506 code.

10. Will clearing the P1506 code without repairs fix the issue?

Clearing the code without addressing the underlying issue will likely result in the code returning, as the problem with the IAC valve or related components remains unresolved.