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Engine-Codes – Generic – P1516

P1516 Code - Throttle Actuator Control Module Throttle Actuator Position Performance

Quick Answer

The diagnostic trouble code P1516 indicates a problem with the Throttle Actuator Control Module (TACM) and its ability to control the throttle actuator position effectively. Common causes include Faulty throttle actuator control module, Malfunctioning throttle actuator position sensor, Wiring or electrical 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
P1516 indicates Throttle Actuator Control Module Throttle Actuator Position Performance.
Common causes
Common causes include Faulty throttle actuator control module, Malfunctioning throttle actuator position sensor, Wiring or electrical 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1516 Description

The diagnostic trouble code P1516 indicates a problem with the Throttle Actuator Control Module (TACM) and its ability to control the throttle actuator position effectively. The throttle actuator is responsible for controlling the amount of air entering the engine, which is essential for proper combustion and engine performance. When this code is triggered, it means that the TACM is not able to maintain the correct position of the throttle actuator, leading to potential issues with engine performance, fuel efficiency, and overall drivability.

OBDII Code P1516 - Throttle Actuator Control Module Throttle Actuator Position Performance
P1516 Code - Throttle Actuator Control Module Throttle Actuator Position Performance

Common Causes of P1516

  1. Faulty throttle actuator control module
  2. Malfunctioning throttle actuator position sensor
  3. Wiring or electrical issues
  4. Software or programming issues
  5. Mechanical problems with the throttle body

Symptoms of P1516

  1. Loss of power or hesitation during acceleration
  2. Rough idling or stalling
  3. Engine misfires
  4. Check engine light illuminated
  5. Limp mode activation

How to Fix P1516

  1. Diagnose the issue by using a scan tool to retrieve the specific trouble code and inspecting the throttle actuator control module and related components.
  2. Test the throttle actuator position sensor to ensure it is functioning correctly and providing accurate data to the TACM.
  3. Inspect the wiring and electrical connections for any damage or loose connections that may be causing the issue.
  4. Update the TACM software or reprogram it to ensure proper communication with the throttle actuator and sensors.
  5. Replace the throttle actuator control module or throttle actuator position sensor if they are found to be faulty and not repairable.

Cost to Fix P1516

The cost of repairing the Throttle Actuator Control Module Throttle Actuator Position Performance issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, the parts for this repair can range from $200 to $500, with labor costs adding an additional $100 to $200. Overall, the total repair cost for this issue can be estimated between $300 and $700. It is important to note that these are rough estimates, and actual costs may vary based on the location, vehicle make and model, and labor rates at the repair shop. It is recommended to consult with a trusted mechanic or dealership for a more accurate cost estimate.

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Code P1516 Information for Specific Makes

  • P1516 Acura — Throttle Actuator Control Position Performance
  • P1516 Audi — Intake Manifold Changeover Valve Circuit Open
  • P1516 Buick — Throttle Actuator Control Module Throttle Actuator Position Performance
  • P1516 Cadillac — Throttle Actuator Control Module Throttle Actuator Position Performance
  • P1516 Chevrolet — Throttle Actuator Control Module Throttle Actuator Position Performance
  • P1516 Ford — Intake Manifold Runner Control Input Error Bank 1
  • P1516 GMC — Throttle Actuator Control Module Throttle Actuator Position Performance
  • P1516 Honda — Throttle Actuator Control Position Performance
  • P1516 Hummer — Throttle Actuator Control Module Throttle Actuator Position Performance
  • P1516 Hyundai — Oil Temperature Sensor Low
  • P1516 Isuzu — Throttle Actuator Control Position Performance
  • P1516 Jaguar — Park / Neutral Position Switch Gear Chance Neutral / Drive
  • P1516 Lincoln — Intake Manifold Runner Control Input Error Bank 1
  • P1516 Mercury — Intake Manifold Runner Control Input Error Bank 1
  • P1516 Pontiac — Throttle Actuator Control Module Throttle Actuator Position Performance
  • P1516 Saab — Throttle Actuator Control Module Throttle Actuator Position Performance
  • P1516 Saturn — Throttle Actuator Control Module Throttle Actuator Position Performance
  • P1516 Subaru — Idle Air Control Solenoid Valve Signal 4 Circuit Low Input
  • P1516 Suzuki — Throttle Actuator Control Module Throttle Actuator Position Performance
  • P1516 Volkswagen — Intake Manifold Changeover Valve Circuit Open
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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