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P1516 2015 GMC Sierra Code - Throttle Actuator Control Module Throttle Actuator Position Performance

Quick Answer

The P1516 diagnostic trouble code (DTC) for a 2015 GMC Sierra specifically refers to a problem with the Throttle Actuator Control Module's Throttle Actuator Position Performance. Common causes include Faulty throttle actuator control module, Wiring issues or electrical problems, Faulty accelerator pedal position sensor. 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
P1516 2015 GMC Sierra indicates Throttle Actuator Control Module Throttle Actuator Position Performance.
Common causes
Common causes include Faulty throttle actuator control module, Wiring issues or electrical problems, Faulty accelerator pedal position sensor.
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 11, 2024
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Code P1516 2015 GMC Sierra Description

The P1516 diagnostic trouble code (DTC) for a 2015 GMC Sierra specifically refers to a problem with the Throttle Actuator Control Module's Throttle Actuator Position Performance. This code indicates that the engine control module (ECM) has detected an issue with the throttle actuator control module's ability to accurately control the throttle position. The throttle actuator control module is responsible for controlling the opening and closing of the throttle valve, which regulates the amount of air entering the engine. When this module fails to perform as expected, it can lead to a variety of performance issues and potentially affect the overall drivability of the vehicle.

OBDII Code P1516 2015 GMC Sierra - Throttle Actuator Control Module Throttle Actuator Position Performance
P1516 2015 GMC Sierra Code - Throttle Actuator Control Module Throttle Actuator Position Performance

Common Causes of P1516 2015 GMC Sierra

  1. Faulty throttle actuator control module
  2. Wiring issues or electrical problems
  3. Faulty accelerator pedal position sensor
  4. Dirty throttle body
  5. ECM malfunction

Symptoms of P1516 2015 GMC Sierra

  1. Reduced acceleration or lack of throttle response
  2. Rough idling or engine stalling
  3. Check Engine Light illuminated on the dashboard
  4. Reduced fuel efficiency
  5. Engine running in limp mode (limited performance)

How to Fix P1516 2015 GMC Sierra

  1. Begin by conducting a thorough inspection of the throttle actuator control module, wiring, and associated sensors to identify any obvious signs of damage or wear.
  2. Perform a diagnostic scan using a professional scan tool to retrieve the specific trouble codes and pinpoint the exact cause of the issue.
  3. If the throttle actuator control module is deemed faulty, it will need to be replaced with a new unit. Ensure the replacement module is compatible with the make and model of the vehicle.
  4. Check and clean the throttle body to ensure smooth operation and proper airflow.
  5. Clear the trouble codes from the ECM's memory and perform a test drive to verify that the issue has been resolved.

Cost to Fix P1516 2015 GMC Sierra

The cost of repairing a P1516 Throttle Actuator Control Module Throttle Actuator Position Performance code can vary depending on the extent of the issue and the specific components that need to be replaced. On average, you can expect to pay anywhere from $200 to $500 for parts and labor. Keep in mind that labor rates can vary significantly depending on the location and the shop you choose to have the repairs done. It's always a good idea to get multiple quotes from reputable auto repair shops to ensure you're getting a fair price for the required repairs.

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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 P1516 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code P1516 in a 2015 GMC Sierra?

When the Throttle Actuator Control Module Throttle Actuator Position Performance code (P1516) is triggered, common symptoms may include reduced engine power, rough idling, stalling, and the Check Engine light illuminating on the dashboard.

2. What are the possible causes of OBDII code P1516 in a 2015 GMC Sierra?

Common causes of code P1516 in a 2015 GMC Sierra include a faulty throttle body, issues with the throttle position sensor, wiring problems, or a malfunctioning throttle actuator control module.

3. How can I diagnose OBDII code P1516 in my 2015 GMC Sierra?

To diagnose code P1516, it is recommended to use an OBDII scanner to read the code and then inspect the throttle actuator control module, throttle body, and related wiring for any visible damage or issues.

4. Can I still drive my 2015 GMC Sierra with OBDII code P1516?

It is not advisable to drive your GMC Sierra with code P1516 as the vehicle may experience performance issues and potential safety risks. It is recommended to address the underlying problem before driving the vehicle.

5. How can I repair OBDII code P1516 in my 2015 GMC Sierra?

Repairing OBDII code P1516 typically involves replacing the throttle body, repairing any damaged wiring, or replacing the throttle actuator control module if necessary. It is recommended to consult a professional mechanic for accurate diagnosis and repair.

6. Is it safe to reset the OBDII code P1516 in my 2015 GMC Sierra?

While resetting the code may temporarily turn off the Check Engine light, it does not address the underlying issue causing code P1516. It is best to diagnose and repair the problem to ensure the vehicle operates safely and efficiently.

7. Can a dirty throttle body trigger OBDII code P1516 in a 2015 GMC Sierra?

Yes, a dirty throttle body can disrupt the proper functioning of the throttle actuator control module and trigger code P1516 in a 2015 GMC Sierra. Regular maintenance and cleaning of the throttle body can help prevent this issue.

8. How much does it cost to repair OBDII code P1516 in a 2015 GMC Sierra?

The cost of repairing OBDII code P1516 in a 2015 GMC Sierra can vary depending on the specific cause of the issue, parts needed for replacement, and labor costs. It is advisable to obtain quotes from different mechanics or dealerships for accurate pricing.

9. Can a DIY enthusiast repair OBDII code P1516 in a 2015 GMC Sierra?

While some aspects of diagnosing and repairing code P1516 may be tackled by a knowledgeable DIY enthusiast, it is recommended to seek professional help for accurate diagnosis and repair to ensure the issue is resolved correctly.

10. How often does OBDII code P1516 occur in a 2015 GMC Sierra?

The occurrence of OBDII code P1516 in a 2015 GMC Sierra can vary depending on factors such as vehicle usage, maintenance practices, and driving conditions. If the code is triggered, it should be addressed promptly to prevent further issues.

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