Engine-CodesFord – P2135 2007 Ford Fusion

P2135 2007 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation

Quick Answer

The P2135 diagnostic trouble code (DTC) for a 2007 Ford Fusion indicates a problem with the Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation. Common causes include Faulty throttle position sensor, Faulty accelerator pedal position sensor, Wiring or connector 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
P2135 2007 Ford Fusion indicates Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation.
Common causes
Common causes include Faulty throttle position sensor, Faulty accelerator pedal position sensor, Wiring or connector 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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P2135 2007 Ford Fusion Description

The P2135 diagnostic trouble code (DTC) for a 2007 Ford Fusion indicates a problem with the Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation. This code is typically triggered when the voltage readings from the throttle position sensor (TPS) and the accelerator pedal position sensor (APPS) do not correlate as expected by the Engine Control Module (ECM). The TPS is responsible for monitoring the position of the throttle valve, while the APPS detects the position of the accelerator pedal. When these sensors provide conflicting voltage signals, it can lead to issues with engine performance and drivability.

OBDII Code P2135 2007 Ford Fusion - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation
P2135 2007 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation

Common Causes of P2135 2007 Ford Fusion

  1. Faulty throttle position sensor
  2. Faulty accelerator pedal position sensor
  3. Wiring or connector issues
  4. ECM malfunction
  5. Corrosion or contamination in sensor connections

Symptoms of P2135 2007 Ford Fusion

  1. Reduced engine power
  2. Limited acceleration
  3. Rough idling or stalling
  4. Hesitation or surging during acceleration
  5. Poor fuel efficiency

How to Fix P2135 2007 Ford Fusion

  1. Begin by conducting a thorough inspection of the throttle position sensor, accelerator pedal position sensor, and their respective wiring and connectors.
  2. Test the sensors using a multimeter to check for proper voltage readings and signal continuity.
  3. If either sensor is found to be faulty, replace it with a new, OEM-quality sensor.
  4. Clear the DTC from the ECM using a diagnostic scan tool and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, further diagnosis may be required to pinpoint the exact cause, such as checking for ECM faults or wiring issues.

Cost to Fix P2135 2007 Ford Fusion

The typical repair costs for addressing a P2135 code on a 2007 Ford Fusion can vary depending on the specific cause of the issue. In general, replacing a faulty throttle position sensor or accelerator pedal position sensor can range from $100 to $200 each, not including labor costs. Labor rates at auto repair shops typically range from $80 to $150 per hour, with additional charges for diagnostic time. It's advisable to consult with a trusted mechanic or dealership for a more accurate estimate based on your location and vehicle specifics.

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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 P2135 2007 Ford Fusion Code

1. What does the OBDII code P2135 for a 2007 Ford Fusion mean?

The code P2135 indicates an issue with the Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation in the vehicle's electronic control system.

2. What are the common symptoms of a P2135 code in a 2007 Ford Fusion?

Common symptoms of a P2135 code may include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into limp mode.

3. What are the possible causes of the P2135 code in a 2007 Ford Fusion?

Possible causes of the P2135 code include a faulty throttle position sensor, pedal position sensor, wiring issues, or a problem with the electronic control module.

4. How can I diagnose the P2135 code in my 2007 Ford Fusion?

Diagnosing the P2135 code typically involves using a scan tool to check for the code, inspecting the throttle and pedal position sensors for proper operation, and testing the related wiring for any issues.

5. Can I still drive my 2007 Ford Fusion with a P2135 code?

It is not recommended to drive your vehicle with a P2135 code as it may result in unsafe driving conditions and potential damage to the engine or other components.

6. How can I repair a P2135 code in my 2007 Ford Fusion?

Repairing a P2135 code may involve replacing the faulty throttle or pedal position sensor, repairing any damaged wiring, or resetting the electronic control module.

7. Will resetting the check engine light resolve the P2135 code in my 2007 Ford Fusion?

Resetting the check engine light may temporarily clear the code, but it is important to address the underlying issue causing the P2135 code to prevent it from reoccurring.

8. Can a DIY enthusiast fix a P2135 code in a 2007 Ford Fusion?

DIY enthusiasts with the necessary tools and knowledge may be able to diagnose and repair a P2135 code in a 2007 Ford Fusion, but it is recommended to seek professional help for accurate diagnosis and repair.

9. How much does it cost to fix a P2135 code in a 2007 Ford Fusion?

The cost of fixing a P2135 code can vary depending on the specific cause of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed.

10. Is the P2135 code a common issue in 2007 Ford Fusion vehicles?

The P2135 code related to the Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation is a known issue in some 2007 Ford Fusion vehicles, especially as the vehicle ages and components wear out.

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