Engine-CodesBuick – P1519 Buick

P1519 Buick Code - Throttle Actuator Control Module Internal Circuit

Quick Answer

The P1519 diagnostic trouble code for Buick vehicles refers to an issue with the Throttle Actuator Control Module's internal circuit. Common causes include Faulty throttle actuator control module, Wiring or connector issues, Corrosion or damage to electrical connections. 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 Buick indicates Throttle Actuator Control Module Internal Circuit.
Common causes
Common causes include Faulty throttle actuator control module, Wiring or connector issues, Corrosion or damage to electrical connections.
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 P1519 Buick Description

The P1519 diagnostic trouble code for Buick vehicles refers to an issue with the Throttle Actuator Control Module's internal circuit. The throttle actuator control module is an essential component of the electronic throttle control system, which regulates the engine's air intake to control its speed. When this module's internal circuit malfunctions, it can lead to various performance issues with the vehicle.

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

Common Causes of P1519 Buick

  1. Faulty throttle actuator control module
  2. Wiring or connector issues
  3. Corrosion or damage to electrical connections
  4. Software or programming errors
  5. Electrical system malfunctions

Symptoms of P1519 Buick

  1. Engine hesitation or stalling
  2. Reduced acceleration
  3. Check Engine Light illuminated
  4. Rough idling or engine misfires
  5. Reduced fuel efficiency

How to Fix P1519 Buick

  1. Diagnose the issue using a diagnostic scanner to confirm the P1519 code.
  2. Inspect the throttle actuator control module and related wiring for any visible damage.
  3. Test the electrical connections and wiring for continuity and proper voltage.
  4. Replace the throttle actuator control module if it is determined to be faulty.
  5. Clear the trouble code and perform a test drive to ensure the issue is resolved.

Cost to Fix P1519 Buick

The typical repair costs for addressing a P1519 code on a Buick vehicle can range from $200 to $500, including parts and labor. However, it is essential to note that specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships and lower at independent shops. It is recommended to inquire about local rates for a more accurate estimate.

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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