Engine-CodesFord – P1124 2009 Ford Fusion

P1124 2009 Ford Fusion Code - Throttle Position Sensor Out of Self-Test Range

Quick Answer

The P1124 code for a 2009 Ford Fusion indicates that the Throttle Position Sensor (TPS) is out of self-test range. Common causes include Faulty Throttle Position Sensor, Damaged or corroded wiring/connectors related to the TPS, Issues with the electronic throttle control system. 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
P1124 2009 Ford Fusion indicates Throttle Position Sensor Out of Self-Test Range.
Common causes
Common causes include Faulty Throttle Position Sensor, Damaged or corroded wiring/connectors related to the TPS, Issues with the electronic throttle control system.
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 17, 2024
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Code P1124 2009 Ford Fusion Description

The P1124 code for a 2009 Ford Fusion indicates that the Throttle Position Sensor (TPS) is out of self-test range. The TPS is a crucial component of the vehicle's electronic throttle control system, responsible for monitoring the position of the throttle pedal and sending this information to the engine control module (ECM). When the TPS is out of self-test range, it means that the sensor is not providing the expected data to the ECM, leading to potential issues with engine performance and drivability.

OBDII Code P1124 2009 Ford Fusion - Throttle Position Sensor Out of Self-Test Range
P1124 2009 Ford Fusion Code - Throttle Position Sensor Out of Self-Test Range

Common Causes of P1124 2009 Ford Fusion

  1. Faulty Throttle Position Sensor
  2. Damaged or corroded wiring/connectors related to the TPS
  3. Issues with the electronic throttle control system
  4. ECM software or hardware malfunction
  5. Environmental factors such as moisture or debris affecting sensor operation

Symptoms of P1124 2009 Ford Fusion

  1. Rough idling or stalling
  2. Poor acceleration or hesitation when pressing the gas pedal
  3. Reduced fuel efficiency
  4. Illumination of the Check Engine Light
  5. Inconsistent throttle response

How to Fix P1124 2009 Ford Fusion

  1. Begin by connecting a diagnostic scanner to the vehicle's OBD-II port to retrieve the trouble code and confirm the issue with the TPS.
  2. Inspect the TPS wiring and connectors for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the TPS using a multimeter to ensure it is functioning within specifications. Replace the TPS if it is found to be faulty.
  4. Clear the trouble code from the ECM's memory using the diagnostic scanner and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, further diagnosis may be required to identify any underlying issues with the electronic throttle control system or ECM.

Cost to Fix P1124 2009 Ford Fusion

The typical repair costs for addressing a P1124 code on a 2009 Ford Fusion can vary depending on the specific cause of the issue. In general, replacing a faulty Throttle Position Sensor can cost between $50 and $200, including parts and labor. Additional costs may be incurred if wiring or connector repairs are needed, or if further diagnosis is required. It's important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. For a more accurate estimate, it is recommended to consult with local auto repair shops.

Tech Notes for P1124 2009 Ford Fusion

The throttle position (TP) sensor circuit is monitored by the powertrain control module (PCM) for an out of range TP rotation angle or voltage input. The test fails if the TP rotation angle or voltage reading is less than 13.27% (0.66 volt) or greater than 23.52% (1.17 volts).

When is the Code Detected?

Engine Control Module (ECM) detected a Thottle Position (TP) sensor return voltage above or below expected value at an idle condition

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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 P1124 2009 Ford Fusion Code

1. What does the OBDII code P1124 mean on a 2009 Ford Fusion?

The P1124 code indicates that the Throttle Position Sensor (TPS) is out of the self-test range, meaning the sensor's readings are not within the expected parameters.

2. What are the common symptoms of code P1124 in a 2009 Ford Fusion?

Common symptoms include poor acceleration, reduced engine performance, hesitation or stalling, and the check engine light being illuminated.

3. What causes the P1124 code to appear?

The code can be triggered by a faulty throttle position sensor, wiring or connector issues, a dirty or malfunctioning throttle body, or a PCM (Powertrain Control Module) issue.

4. Can I drive my 2009 Ford Fusion with a P1124 code?

While the car may still drive, continued operation with this code can lead to reduced performance and potential long-term engine damage. It’s best to diagnose and fix the issue promptly.

5. How do I diagnose the P1124 code on a 2009 Ford Fusion?

Start by inspecting the throttle position sensor and its wiring for damage or loose connections. Use a scan tool to monitor TPS voltage and ensure it’s within the expected range.

6. How do I fix the P1124 code in a 2009 Ford Fusion?

Repairs may include replacing the throttle position sensor, cleaning or replacing the throttle body, repairing damaged wiring, or updating/reprogramming the PCM if necessary.

7. How much does it cost to repair a P1124 code on a 2009 Ford Fusion?

The cost can vary, but replacing a throttle position sensor typically ranges from $100 to $300, including parts and labor, depending on the repair shop and location.

8. Can a dirty throttle body cause the P1124 code?

Yes, a dirty or clogged throttle body can cause incorrect sensor readings, leading to the P1124 code.

9. Will resetting the check engine light fix the P1124 code?

Resetting the light may temporarily turn it off, but the underlying issue must be resolved to prevent the code from returning.

10. Do I need special tools to fix the P1124 code on my 2009 Ford Fusion?

A basic OBDII scanner, a multimeter, and standard hand tools are usually sufficient for diagnosing and repairing most causes of this code.

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