Engine-CodesFord – P2135 2012 Ford Fusion

P2135 2012 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation

Quick Answer

The P2135 code for a 2012 Ford Fusion indicates a problem with the throttle/pedal position sensor/switch 'A'/'B' voltage correlation. Common causes include Faulty throttle position sensor, Faulty pedal position sensor, Wiring issues or poor electrical connections. 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 2012 Ford Fusion indicates Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation.
Common causes
Common causes include Faulty throttle position sensor, Faulty pedal position sensor, Wiring issues or poor electrical connections.
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 12, 2024
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Code P2135 2012 Ford Fusion Description

The P2135 code for a 2012 Ford Fusion indicates a problem with the throttle/pedal position sensor/switch 'A'/'B' voltage correlation. This means that there is a discrepancy between the signals being sent by the throttle position sensor and the pedal position sensor, which can lead to issues with the vehicle's performance. The throttle position sensor is responsible for monitoring the position of the throttle valve, while the pedal position sensor detects the position of the accelerator pedal. These sensors work together to ensure that the engine receives the correct amount of air and fuel for optimal performance.

OBDII Code P2135 2012 Ford Fusion - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation
P2135 2012 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation

Common Causes of P2135 2012 Ford Fusion

  1. Faulty throttle position sensor.
  2. Faulty pedal position sensor.
  3. Wiring issues or poor electrical connections.
  4. Problems with the throttle body.
  5. Electronic control module (ECM) issues.

Symptoms of P2135 2012 Ford Fusion

  1. Poor acceleration or lack of response when pressing the accelerator pedal.
  2. Engine stalling or hesitation during acceleration.
  3. Rough idling or fluctuations in engine speed.
  4. Vehicle going into limp mode, limiting performance.

How to Fix P2135 2012 Ford Fusion

  1. Begin by conducting a thorough inspection of the throttle position sensor, pedal position sensor, and associated wiring for any signs of damage or corrosion.
  2. Test the sensors using a multimeter to check for proper voltage output and resistance.
  3. If the sensors are found to be faulty, replace them with new, OEM parts.
  4. Clear the diagnostic trouble codes from the vehicle's ECM using a scan tool.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the sensors are now in proper voltage correlation.

Cost to Fix P2135 2012 Ford Fusion

The typical repair costs for addressing a P2135 code on a 2012 Ford Fusion can range from $200 to $500, including parts and labor. However, the 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. It is recommended to check local rates for a more accurate estimate of the repair costs.

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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 2012 Ford Fusion Code

1. What does OBDII code P2135 for a 2012 Ford Fusion indicate?

The code P2135 on a 2012 Ford Fusion points to an issue with the Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation.

2. What are the common symptoms of OBDII code P2135 in a 2012 Ford Fusion?

Common symptoms of code P2135 in a 2012 Ford Fusion include reduced engine power, hesitation or stalling, and illuminated Check Engine Light.

3. What are the potential causes of OBDII code P2135 in a 2012 Ford Fusion?

Possible causes of code P2135 in a 2012 Ford Fusion include a faulty throttle position sensor, pedal position sensor issues, wiring problems, or a malfunctioning electronic throttle control system.

4. How can I diagnose the Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation issue in my 2012 Ford Fusion?

Diagnosing code P2135 in a 2012 Ford Fusion involves using a diagnostic scanner to read the trouble codes, performing a visual inspection of the sensors and wiring, and testing the sensor voltages with a multimeter.

5. Can I continue driving my 2012 Ford Fusion with OBDII code P2135?

It is not recommended to drive your 2012 Ford Fusion with code P2135, as it can lead to potential safety hazards and further damage to the vehicle. It is best to address the issue promptly.

6. How can I repair OBDII code P2135 in my 2012 Ford Fusion?

Repairing code P2135 in a 2012 Ford Fusion typically involves replacing the faulty throttle position sensor or pedal position sensor, repairing any damaged wiring, and resetting the ECU to clear the code.

7. Will resetting the Check Engine Light resolve OBDII code P2135 in a 2012 Ford Fusion?

Simply resetting the Check Engine Light may temporarily clear the code, but it will likely return if the underlying issue causing code P2135 is not addressed and repaired.

8. Can a DIY enthusiast fix OBDII code P2135 in a 2012 Ford Fusion?

Depending on your mechanical skills and access to tools, DIY enthusiasts may be able to fix code P2135 in a 2012 Ford Fusion by following repair guides and being cautious with electrical components.

9. How much does it cost to repair OBDII code P2135 in a 2012 Ford Fusion at a mechanic?

The cost of repairing code P2135 in a 2012 Ford Fusion at a mechanic can vary depending on the specific cause of the issue, but it typically ranges from $200 to $500, including parts and labor.

10. Are there any recalls related to OBDII code P2135 in a 2012 Ford Fusion?

It is advisable to check with Ford or the National Highway Traffic Safety Administration (NHTSA) to see if there are any recalls related to code P2135 in a 2012 Ford Fusion, as some issues may be covered under a manufacturer's recall.

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