Engine-CodesBuick – P1515 Buick

P1515 Buick Code - Control Module Throttle Actuator Position Performance

Quick Answer

The P1515 Buick code indicates a problem with the Control Module Throttle Actuator Position Performance. Common causes include Faulty throttle actuator position sensor, Damaged throttle actuator, Wiring issues. 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
P1515 Buick indicates Control Module Throttle Actuator Position Performance.
Common causes
Common causes include Faulty throttle actuator position sensor, Damaged throttle actuator, Wiring issues.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1515 Buick Description

The P1515 Buick code indicates a problem with the Control Module Throttle Actuator Position Performance. The throttle actuator controls the airflow into the engine, which is crucial for maintaining the proper air-fuel mixture for combustion. When this control module malfunctions, it can lead to various performance issues with the vehicle. The throttle actuator position sensor is responsible for sending signals to the engine control module to adjust the throttle position based on driver input. If the sensor detects that the throttle actuator is not performing as expected, it will trigger the P1515 code.

OBDII Code P1515 Buick - Control Module Throttle Actuator Position Performance
P1515 Buick Code - Control Module Throttle Actuator Position Performance

Common Causes of P1515 Buick

  1. Faulty throttle actuator position sensor
  2. Damaged throttle actuator
  3. Wiring issues
  4. Malfunctioning control module

Symptoms of P1515 Buick

  1. Rough idling
  2. Hesitation or stalling when accelerating
  3. Reduced fuel efficiency
  4. Loss of power

How to Fix P1515 Buick

  1. Begin by conducting a thorough diagnostic scan to confirm the P1515 code and identify the specific component causing the issue.
  2. Inspect the throttle actuator position sensor and wiring for any visible damage or wear.
  3. Test the throttle actuator's functionality and replace it if necessary.
  4. Check the control module for any signs of malfunction and replace if needed.
  5. Clear the diagnostic trouble codes and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1515 Buick

The typical repair costs for addressing the P1515 Buick code can vary depending on the specific cause of the issue. In general, replacing the throttle actuator position sensor or throttle actuator itself can range from $200 to $500, including parts and labor. If the control module needs to be replaced, the cost can increase to $500 to $1000. It's important to note that these are rough estimates, and actual costs may vary based on the vehicle's make and model, as well as the labor rates in your area. Be sure to consult with a professional mechanic for a more accurate cost estimate.

When is the Code Detected?

The Powertrain Control Module (PCM) has detected a throttle plate out of position based on commanded and actual throttle plate position

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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.

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