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Engine-Codes – Ford – P2122 2006 Ford Fusion

P2122 2006 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'D' Circuit Low

Quick Answer

The P2122 diagnostic trouble code (DTC) for a 2006 Ford Fusion indicates a problem with the Throttle/Pedal Position Sensor/Switch 'D' Circuit being low. Common causes include Faulty throttle position sensor, Damaged wiring or connectors related to the sensor, Corrosion or poor connections in the sensor circuit. 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
P2122 2006 Ford Fusion indicates Throttle/Pedal Position Sensor/Switch 'D' Circuit Low.
Common causes
Common causes include Faulty throttle position sensor, Damaged wiring or connectors related to the sensor, Corrosion or poor connections in the sensor circuit.
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 14, 2024
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Code P2122 2006 Ford Fusion Description

The P2122 diagnostic trouble code (DTC) for a 2006 Ford Fusion indicates a problem with the Throttle/Pedal Position Sensor/Switch 'D' Circuit being low. This sensor is crucial for the proper functioning of the vehicle's throttle system, as it helps to regulate the amount of air entering the engine, which in turn affects the fuel delivery and overall performance of the vehicle. When this sensor detects that the voltage signal is lower than the specified range, it triggers the P2122 code.

OBDII Code P2122 2006 Ford Fusion - Throttle/Pedal Position Sensor/Switch 'D' Circuit Low
P2122 2006 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'D' Circuit Low

Common Causes of P2122 2006 Ford Fusion

  1. Faulty throttle position sensor
  2. Damaged wiring or connectors related to the sensor
  3. Corrosion or poor connections in the sensor circuit
  4. ECM malfunction
  5. Water or debris intrusion affecting the sensor

Symptoms of P2122 2006 Ford Fusion

  1. Erratic throttle response
  2. Poor acceleration
  3. Stalling or hesitation during acceleration
  4. Limp mode activation
  5. Check Engine Light illuminated

How to Fix P2122 2006 Ford Fusion

  1. Begin by diagnosing the issue using a scan tool to confirm the P2122 code and identify the specific sensor causing the problem.
  2. Inspect the wiring and connectors associated with the throttle position sensor for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the throttle position sensor using a multimeter to ensure it is functioning correctly. Replace the sensor if it is found to be faulty.
  4. Clear the DTC and reset the ECM to see if the code reappears. Test drive the vehicle to verify that the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be required to pinpoint the exact cause, such as checking the ECM for proper operation or inspecting for any other underlying issues.

Cost to Fix P2122 2006 Ford Fusion

The typical repair costs for addressing a P2122 code on a 2006 Ford Fusion can vary depending on the specific cause of the issue. In general, replacing a faulty throttle position sensor can cost between $100 to $200, while addressing wiring or connector issues may range from $50 to $150. Labor costs at auto repair shops can range from $80 to $150 per hour, with the total repair bill potentially amounting to a few hundred dollars. It is advisable to consult with a trusted mechanic or dealership to obtain a more accurate estimate based on the specific circumstances of the vehicle.

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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 P2122 2006 Ford Fusion Code

1. What are the common symptoms of OBDII code P2122 in a 2006 Ford Fusion?

When the Throttle/Pedal Position Sensor/Switch 'D' Circuit Low error code P2122 occurs, you may experience reduced engine power, hesitation or surging during acceleration, and the vehicle may go into limp mode.

2. What are the possible causes of OBDII code P2122 in a 2006 Ford Fusion?

The code P2122 in a 2006 Ford Fusion is commonly caused by a faulty throttle position sensor, damaged wiring or connectors in the throttle pedal position sensor circuit, or a problem with the engine control module (ECM).

3. How can I diagnose the Throttle/Pedal Position Sensor/Switch 'D' Circuit Low error code in a 2006 Ford Fusion?

Diagnosing the P2122 code involves using a scan tool to check for the code, testing the throttle position sensor's voltage output, inspecting the wiring and connectors for damage, and checking the ECM for any faults.

4. Can I drive my 2006 Ford Fusion with OBDII code P2122?

While it may be possible to drive with the P2122 code present, it is not recommended as it can lead to further damage to the vehicle. It is best to address the issue promptly to prevent potential safety hazards.

5. How do I repair OBDII code P2122 in a 2006 Ford Fusion?

To repair the Throttle/Pedal Position Sensor/Switch 'D' Circuit Low code, you may need to replace the faulty throttle position sensor, repair any damaged wiring or connectors, or reprogram the ECM. It is advisable to seek professional help for accurate diagnosis and repair.

6. Can a dirty throttle body cause the P2122 error code in a 2006 Ford Fusion?

While a dirty throttle body can cause related issues, such as rough idle or poor acceleration, it is unlikely to directly trigger the P2122 code. Focus on checking the throttle position sensor and related components first.

7. How much does it cost to fix OBDII code P2122 in a 2006 Ford Fusion?

The cost of fixing the P2122 code can vary depending on the root cause of the issue. It can range from a simple sensor replacement costing around $100-$200 to more complex repairs involving wiring or ECM replacement, which can cost several hundred dollars.

8. Will disconnecting the battery reset the P2122 error code in a 2006 Ford Fusion?

Disconnecting the battery may temporarily clear the error code, but it will not fix the underlying issue causing the P2122 code. It is recommended to diagnose and address the root cause of the problem to prevent the code from reoccurring.

9. Is the Throttle/Pedal Position Sensor/Switch 'D' Circuit Low error code a common problem in 2006 Ford Fusions?

While the P2122 code may not be extremely common in 2006 Ford Fusions, issues with throttle position sensors can occur in vehicles over time. Proper maintenance and timely repairs can help prevent such problems.

10. Can a DIY enthusiast fix OBDII code P2122 in a 2006 Ford Fusion?

Depending on your skill level and access to tools, a DIY enthusiast may be able to address the P2122 code by replacing the throttle position sensor or repairing damaged wiring. However, for accurate diagnosis and complex repairs, it is recommended to consult a professional mechanic.

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