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P1519 Chevrolet Code - Throttle Actuator Control Module Internal Circuit

Quick Answer

The P1519 Chevrolet code indicates a problem with the Throttle Actuator Control Module (TACM) internal circuit. Common causes include Faulty Throttle Actuator Control Module (TACM), Wiring or connector issues, Malfunctioning throttle 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
P1519 Chevrolet indicates Throttle Actuator Control Module Internal Circuit.
Common causes
Common causes include Faulty Throttle Actuator Control Module (TACM), Wiring or connector issues, Malfunctioning throttle 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 10, 2024
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Code P1519 Chevrolet Description

The P1519 Chevrolet code indicates a problem with the Throttle Actuator Control Module (TACM) internal circuit. The TACM is responsible for managing the throttle position in electronically controlled throttle systems. When this code is triggered, it means that the TACM is not functioning properly, which can lead to various issues with the vehicle's performance.

OBDII Code P1519 Chevrolet - Throttle Actuator Control Module Internal Circuit
P1519 Chevrolet Code - Throttle Actuator Control Module Internal Circuit

Common Causes of P1519 Chevrolet

  1. Faulty Throttle Actuator Control Module (TACM)
  2. Wiring or connector issues
  3. Malfunctioning throttle position sensor
  4. Problem with the Engine Control Module (ECM)
  5. Electrical issues

Symptoms of P1519 Chevrolet

  1. Rough idling
  2. Stalling
  3. Poor acceleration
  4. Inability to accelerate
  5. Check Engine light illuminated

How to Fix P1519 Chevrolet

  1. Perform a diagnostic scan to retrieve the trouble code and identify the exact cause of the issue.
  2. Inspect the TACM, wiring, and connectors for any visible damage or corrosion.
  3. Test the throttle position sensor to ensure it is functioning correctly.
  4. Replace the faulty TACM or repair any damaged wiring/connectors as needed.
  5. Clear the trouble code and perform a test drive to verify that the issue has been resolved.

Cost to Fix P1519 Chevrolet

The typical repair costs for addressing a P1519 Chevrolet code can vary depending on the specific cause of the issue. Generally, replacing a faulty Throttle Actuator Control Module or repairing wiring/connectors can range from $200 to $500, including parts and labor. However, additional diagnostic time and labor rates at auto repair shops can impact the final cost. It is advisable to consult with a qualified mechanic or service center to obtain a more accurate estimate based on your vehicle's make and model.

When is the Code Detected?

The Engine Control Module (ECM) has detected a loss of data or invalid data from the Throttle Actuator Control (TAC)

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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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