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Engine-Codes – Ford – P2100 2012 Ford Fusion

P2100 2012 Ford Fusion Code - Throttle Actuator Control Motor Circuit Open

Quick Answer

The P2100 diagnostic trouble code (DTC) for a 2012 Ford Fusion indicates a problem with the Throttle Actuator Control (TAC) motor circuit being open. Common causes include Damaged wiring or connectors in the TAC motor circuit, Faulty TAC motor, Malfunctioning ECM. 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
P2100 2012 Ford Fusion indicates Throttle Actuator Control Motor Circuit Open.
Common causes
Common causes include Damaged wiring or connectors in the TAC motor circuit, Faulty TAC motor, Malfunctioning ECM.
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 17, 2024
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Code P2100 2012 Ford Fusion Description

The P2100 diagnostic trouble code (DTC) for a 2012 Ford Fusion indicates a problem with the Throttle Actuator Control (TAC) motor circuit being open. The TAC system is responsible for controlling the throttle plate opening in response to driver inputs. When the circuit is open, it means that there is a break or discontinuity in the electrical connection between the throttle actuator control motor and the engine control module (ECM).

OBDII Code P2100 2012 Ford Fusion - Throttle Actuator Control Motor Circuit Open
P2100 2012 Ford Fusion Code - Throttle Actuator Control Motor Circuit Open

Common Causes of P2100 2012 Ford Fusion

  1. Damaged wiring or connectors in the TAC motor circuit
  2. Faulty TAC motor
  3. Malfunctioning ECM
  4. Issue with the throttle position sensor (TPS)
  5. Corrosion in the electrical connections

Symptoms of P2100 2012 Ford Fusion

  1. Reduced engine power
  2. Rough idling or stalling
  3. Acceleration hesitation
  4. Check Engine Light illuminated
  5. Limp mode activation

How to Fix P2100 2012 Ford Fusion

  1. Begin by conducting a thorough inspection of the TAC motor circuit, checking for any damaged wiring or connectors.
  2. Test the TAC motor and throttle position sensor to determine if they are functioning correctly.
  3. If the TAC motor or TPS is found to be faulty, replace the defective component.
  4. Clear the DTC from the ECM memory using a diagnostic scan tool.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the TAC system is operating as intended.

Cost to Fix P2100 2012 Ford Fusion

The typical repair costs for addressing a P2100 code on a 2012 Ford Fusion can range from $200 to $500, including parts and labor. However, it's essential to note that specific diagnosis time and labor rates at auto repair shops can vary 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, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. It's recommended to obtain local quotes for a more accurate estimate.

When is the Code Detected?

A powertrain control module (PCM) fault flag is set indicating the motor circuit is open, and may require cycling the key.

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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 P2100 2012 Ford Fusion Code

1. What are the common symptoms of OBDII code P2100 in a 2012 Ford Fusion?

The common symptoms of OBDII code P2100 in a 2012 Ford Fusion include reduced engine power, engine stalling, and the vehicle going into limp mode.

2. What does the OBDII code P2100 in a 2012 Ford Fusion mean?

OBDII code P2100 for a 2012 Ford Fusion indicates a problem with the Throttle Actuator Control Motor Circuit being open, causing issues with the electronic throttle control system.

3. What are the possible causes of OBDII code P2100 in a 2012 Ford Fusion?

Possible causes of OBDII code P2100 in a 2012 Ford Fusion include a faulty throttle actuator control motor, damaged wiring or connectors in the circuit, or a malfunctioning electronic throttle control module.

4. How can I diagnose the OBDII code P2100 in my 2012 Ford Fusion?

Diagnosing OBDII code P2100 in a 2012 Ford Fusion involves checking the throttle actuator control motor, inspecting the wiring and connectors in the circuit, and using a scan tool to analyze data from the electronic throttle control module.

5. Can I still drive my 2012 Ford Fusion with OBDII code P2100?

It is not recommended to drive your 2012 Ford Fusion with OBDII code P2100, as it can lead to unsafe driving conditions due to reduced engine power and potential stalling.

6. How can I repair OBDII code P2100 in my 2012 Ford Fusion?

Repairing OBDII code P2100 in a 2012 Ford Fusion may involve replacing the throttle actuator control motor, repairing or replacing damaged wiring or connectors, or reprogramming the electronic throttle control module.

7. Is it safe to reset the OBDII code P2100 in my 2012 Ford Fusion using a scan tool?

While you can reset the OBDII code P2100 using a scan tool, it is important to diagnose and address the underlying issue causing the code to prevent it from reoccurring.

8. How much does it cost to repair OBDII code P2100 in a 2012 Ford Fusion?

The cost to repair OBDII code P2100 in a 2012 Ford Fusion can vary depending on the specific cause of the issue, but it can range from a few hundred to over a thousand dollars, including parts and labor.

9. Can a DIY enthusiast fix OBDII code P2100 in a 2012 Ford Fusion?

A DIY enthusiast with the necessary tools and experience may be able to address OBDII code P2100 in a 2012 Ford Fusion, especially if the issue is related to wiring or connectors. However, complex repairs involving the throttle actuator control motor may require professional assistance.

10. How can I prevent OBDII code P2100 from appearing in my 2012 Ford Fusion in the future?

To prevent OBDII code P2100 in a 2012 Ford Fusion, it is essential to perform regular maintenance checks, address any throttle-related issues promptly, and ensure proper care of the electronic throttle control system.

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