AutoCodes – Chevrolet – P0507 2014 Chevrolet Silverado

P0507 2014 Chevrolet Silverado Code - Idle Speed High

Quick Answer

The Engine Control Module (ECM) is the control center for the Throttle Actuator Control (TAC) system. Common causes include Dirty Throttle Body, Intake air leak, Throttle Body misadjusted or damaged. 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 2014 Chevrolet Silverado indicates Idle Speed High.
Common causes: Common causes include Dirty Throttle Body, Intake air leak, Throttle Body misadjusted or damaged.
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 531

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 29, 2022

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code P0507 2014 Chevrolet Silverado Description

The Engine Control Module (ECM) is the control center for the Throttle Actuator Control (TAC) system. The ECM determines the driver's intent based on input from the accelerator pedal position sensors, then calculates the appropriate throttle response based on the throttle position sensors. The Direct Current (DC) motor, located in the Throttle Body Assembly, drives the throttle blade. In order to decrease idle speed, along with spark and fuel delivery changes the ECM commands the throttle closed reducing air flow into the engine and the idle speed decreases. In order to increase idle speed, the ECM commands the throttle plate open allowing more air to pass the throttle plate. The Diagnostic Trouble Code (DTC) will be set when the actual idle speed is approximately 188 RPM greater than the desired idle speed.

OBDII Code P0507 2014 Chevrolet Silverado - Idle Speed High - AutoCodes.com — P0507 2014 Chevrolet Silverado Code - Idle Speed High

What does this mean?

What are the Possible Causes of the DTC P0507 2014 Chevrolet Silverado?

Dirty Throttle Body
Intake air leak
Throttle Body misadjusted or damaged
Faulty Electric Throttle Actuator Motor (Located in the Throttle Body Assembly)
Electric Throttle Actuator Motor harness is open or shorted
Electric Throttle Actuator Motor circuit poor electrical connection

How to Fix the DTC P0507 2014 Chevrolet Silverado?

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 does this mean?

Code Tech Notes

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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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0507 2014 Chevrolet Silverado 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.

Need more information about the P0507 2014 Chevrolet Silverado code?

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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 2014 Chevrolet Silverado Code

1. What does the OBDII code P0507 mean on a 2014 Chevrolet Silverado?

P0507 indicates that the engineâ€™s idle speed is higher than the manufacturerâ€™s specified range.

2. What are the common symptoms of code P0507 on a 2014 Chevy Silverado?

Symptoms include a higher-than-normal idle speed, rough idling, increased fuel consumption, and possible stalling when coming to a stop.

3. What causes the P0507 code to appear on a 2014 Chevrolet Silverado?

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

4. How can a vacuum leak trigger the P0507 code on a Silverado?

A vacuum leak introduces unmetered air into the engine, causing the idle speed to rise above the programmed threshold.

5. Is a dirty throttle body a common issue for the P0507 code?

Yes, carbon buildup on the throttle body can restrict airflow control, leading to an elevated idle speed and triggering the code.

6. How can I fix a P0507 code on my 2014 Chevrolet Silverado?

Repairs may include cleaning the throttle body, checking for and fixing vacuum leaks, replacing the idle air control valve, or inspecting the PCV system.

7. Can a faulty idle air control valve cause the P0507 code?

Yes, a malfunctioning idle air control valve can fail to regulate the engine's idle speed, leading to an elevated idle and setting the code.

8. Is it safe to drive with the P0507 code on a 2014 Silverado?

While it may be drivable, prolonged idling issues can cause engine wear or inefficiencies, so it's best to address the problem promptly.

9. How can I diagnose the cause of a P0507 code on my Silverado?

Use an OBDII scanner to check for related codes, inspect the throttle body for buildup, perform a smoke test for vacuum leaks, and check the condition of the idle air control valve.

10. Will clearing the P0507 code fix the issue permanently?

Clearing the code may temporarily turn off the check engine light, but the underlying problem must be resolved to prevent the code from returning.