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P0507 2015 Chevrolet Silverado Code - Idle Speed High

Quick Answer

The P0507 diagnostic trouble code for a 2015 Chevrolet Silverado indicates that the idle speed of the engine is higher than normal. Common causes include Faulty idle air control valve, Dirty or malfunctioning throttle body, Vacuum leaks 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
P0507 2015 Chevrolet Silverado indicates Idle Speed High.
Common causes
Common causes include Faulty idle air control valve, Dirty or malfunctioning throttle body, Vacuum leaks 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P0507 2015 Chevrolet Silverado Description

The P0507 diagnostic trouble code for a 2015 Chevrolet Silverado indicates that the idle speed of the engine is higher than normal. This can lead to a variety of issues with the vehicle's performance, including reduced fuel efficiency, rough idling, and potential damage to engine components over time. The idle speed of a vehicle is controlled by the engine control module (ECM) based on various inputs such as engine temperature, throttle position, and vehicle speed. When the idle speed is too high, it can be caused by a malfunction in the idle air control valve, throttle body, vacuum leaks, or issues with the ECM itself.

OBDII Code P0507 2015 Chevrolet Silverado - Idle Speed High
P0507 2015 Chevrolet Silverado Code - Idle Speed High

Common Causes of P0507 2015 Chevrolet Silverado

  1. Faulty idle air control valve
  2. Dirty or malfunctioning throttle body
  3. Vacuum leaks in the intake system
  4. Issues with the engine control module (ECM)
  5. Incorrectly adjusted throttle position sensor

Symptoms of P0507 2015 Chevrolet Silverado

  1. High idle speed when the vehicle is stationary
  2. Engine revving on its own while idling
  3. Reduced fuel efficiency
  4. Rough idling or vibrations felt in the cabin
  5. Check Engine Light illuminated on the dashboard

How to Fix P0507 2015 Chevrolet Silverado

  1. Begin by scanning the vehicle's ECM to confirm the P0507 code and identify any other related codes.
  2. Inspect the idle air control valve and throttle body for any signs of dirt, carbon buildup, or malfunctions. Clean or replace these components as necessary.
  3. Check for vacuum leaks in the intake system by performing a smoke test or using a vacuum gauge. Repair any leaks found.
  4. Verify the operation of the throttle position sensor and adjust it if necessary to ensure proper idle speed control.
  5. Clear the diagnostic trouble codes from the ECM and perform a test drive to confirm that the idle speed has returned to normal.

Cost to Fix P0507 2015 Chevrolet Silverado

The typical repair costs for addressing a high idle speed issue like P0507 can vary depending on the specific cause of the problem. In general, you can expect to pay anywhere from $100 to $500 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to check with local shops for a more accurate estimate based on your location and vehicle.

What does this mean?

Tech Notes for P0507 2015 Chevrolet Silverado

If there are no intake leaks, clean the throttle body, adjust the engine idle, and clear the engine code. If the code persists you must replace the Electric Throttle Actuator Motor (Located in the Throttle Body Assembly).



The Engine Control Module (ECM) learns the idle position of the throttle plate to ensure the correct idle. Anytime the throttle body is cleaned or replaced, the ECM must learn the new throttle position. The idle may be unstable or a DTC may be set if the throttle position is not learned.



Chevrolet Throttle Body Cleaning and Idle Learning Procedure











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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 P0507 2015 Chevrolet Silverado Code

1. What does the OBDII code P0507 mean on a 2015 Chevrolet Silverado?

P0507 indicates that the engine idle speed is higher than the manufacturer’s specified range.

2. What are the common symptoms of code P0507 on a 2015 Silverado?

Symptoms include a higher-than-normal idle RPM, rough idling, potential stalling, and an illuminated check engine light.

3. What causes the P0507 code on a 2015 Chevy Silverado?

Common causes include a dirty or faulty throttle body, vacuum leaks, a malfunctioning idle air control valve, or issues with the PCV system.

4. Can a vacuum leak trigger the P0507 code?

Yes, vacuum leaks can allow excess air into the engine, causing a high idle and triggering the P0507 code.

5. How do I fix the P0507 code on my 2015 Chevrolet Silverado?

Start by cleaning the throttle body, checking for vacuum leaks, inspecting the PCV valve, and ensuring the idle air control system is functioning properly.

6. Can a dirty throttle body cause the P0507 code?

Yes, a dirty throttle body can restrict proper airflow regulation, leading to a high idle and triggering the P0507 code.

7. Is the P0507 code serious on a 2015 Silverado?

While not immediately critical, driving with a high idle can cause poor fuel economy and potential engine wear if not addressed.

8. How much does it cost to fix the P0507 code on a 2015 Silverado?

Costs vary depending on the cause, but throttle body cleaning may cost $50-$150, while repairs for vacuum leaks or component replacements may range from $100-$500.

9. Can resetting the ECU fix the P0507 code?

Resetting the ECU may temporarily clear the code, but it won’t fix the underlying issue causing the high idle.

10. Do I need a professional mechanic to fix the P0507 code?

While some fixes, like throttle body cleaning, can be done by DIYers, diagnosing and fixing complex issues like vacuum leaks may require a professional mechanic.

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