P1506 Hyundai Code - Idle Speed Control Actuator Signal High
Quick Answer
The P1506 diagnostic trouble code for Hyundai vehicles indicates that the Idle Speed Control Actuator Signal is reading higher than the normal range. Common causes include Faulty idle speed control actuator, Wiring issues or electrical connections, Vacuum leak in the intake system. 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 Hyundai indicates Idle Speed Control Actuator Signal High.
- Common causes
- Common causes include Faulty idle speed control actuator, Wiring issues or electrical connections, Vacuum leak in the intake system.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1506 Hyundai Description
The P1506 diagnostic trouble code for Hyundai vehicles indicates that the Idle Speed Control Actuator Signal is reading higher than the normal range. This signal is crucial for maintaining the proper idle speed of the engine. The idle speed control actuator is responsible for adjusting the amount of air that bypasses the throttle plate in order to control the engine idle speed.
Common Causes of P1506 Hyundai
- Faulty idle speed control actuator
- Wiring issues or electrical connections
- Vacuum leak in the intake system
- Dirty or clogged throttle body
- Malfunctioning Engine Control Module (ECM)
Symptoms of P1506 Hyundai
- Rough idling: The engine may idle erratically or inconsistently.
- Stalling: The engine may stall unexpectedly while idling or driving.
- Poor acceleration: The vehicle may struggle to accelerate smoothly.
- Decreased fuel efficiency: The vehicle may consume more fuel than usual due to the irregular idle speed.
- Check Engine Light: The Check Engine Light may illuminate on the dashboard to indicate a problem with the idle speed control system.
How to Fix P1506 Hyundai
- Diagnose the issue: Use a diagnostic scanner to retrieve the trouble codes and perform a thorough inspection of the idle speed control actuator, wiring, and related components.
- Replace the idle speed control actuator: If the actuator is faulty, it will need to be replaced with a new one.
- Check and repair wiring: Inspect the wiring harness for any damage or loose connections and repair as necessary.
- Clean the throttle body: Remove any carbon buildup or debris from the throttle body to ensure proper airflow.
- Reset the ECM: Clear the trouble codes and reset the ECM to see if the issue has been resolved.
Cost to Fix P1506 Hyundai
The cost of repairing a P1506 code on a Hyundai vehicle can vary depending on the exact cause of the issue and the labor rates in your area. Typically, the cost of parts for replacing the idle speed control actuator can range from $100 to $300, while the labor cost can range from $80 to $150 per hour. Additional costs may apply if wiring repairs or throttle body cleaning are necessary.
Need more information about the P1506 Hyundai code?
Need more information on how to fix the P1506 Hyundai code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1506 Hyundai code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1506 Hyundai Code
No Frequently Asked Questions about P1506 Hyundai Code found.
Discuss the causes and fixes for P1506 Hyundai OBDII Code
Code P1506 Hyundai comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.