AutoCodes – Ford – P2126 2010 Ford Fusion

P2126 2010 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance

Quick Answer

The Accelerator Pedal Position (APP) sensor is an input to the Powertrain Control Module (PCM) and used to determine the amount of torque requested by the operator. Common causes include Faulty Accelerator Pedal Position (APP) Sensor, Accelerator Pedal Position (APP) Sensor harness is open or shorted, Accelerator Pedal Position (APP) Sensor circuit poor electrical connection. 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: P2126 2010 Ford Fusion indicates Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance.
Common causes: Common causes include Faulty Accelerator Pedal Position (APP) Sensor, Accelerator Pedal Position (APP) Sensor harness is open or shorted, Accelerator Pedal Position (APP) Sensor circuit poor electrical connection.
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.

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Code Popularity 1,823

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

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Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2126 2010 Ford Fusion Description

The Accelerator Pedal Position (APP) sensor is an input to the Powertrain Control Module (PCM) and used to determine the amount of torque requested by the operator. There are 2 pedal position signals in the sensor. Both signals, APP and APP2, have a positive slope (increasing angle, increasing voltage), but are offset and increase at different rates. The 2 pedal position signals make sure the PCM receives a correct input even if 1 signal has a concern. The PCM determines if a signal is incorrect by calculating where it should be, inferred from the other signals. If a concern is present with one of the circuits the other input is used. There are 2 reference voltage circuits, 2 signal return circuits, and 2 signal circuits (a total of 6 circuits and pins) between the PCM and the APP sensor assembly. The pedal position signal is converted to pedal travel degrees (rotary angle) by the PCM. The software converts these degrees to counts, which is the input to the torque based strategy. The accelerator pedal position (APP) sensor fault flag is set for sensor 2 by the PCM, indicating the signal is out of the normal self-test operating range

OBDII Code P2126 2010 Ford Fusion - Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance - AutoCodes.com — P2126 2010 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC P2126 2010 Ford Fusion?

Faulty Accelerator Pedal Position (APP) Sensor
Accelerator Pedal Position (APP) Sensor harness is open or shorted
Accelerator Pedal Position (APP) Sensor circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P2126 2010 Ford Fusion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2126 2010 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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 P2126 2010 Ford Fusion Code

1. What are the common symptoms of OBDII code P2126 in a 2010 Ford Fusion?

The common symptoms of code P2126 include a check engine light, reduced engine power, hesitation or stalling when accelerating, and issues with the vehicle's throttle response.

2. What could be causing the Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance error code P2126 in a 2010 Ford Fusion?

Possible causes of code P2126 in a 2010 Ford Fusion include a faulty throttle position sensor, damaged wiring or connections in the throttle position sensor circuit, or issues with the electronic throttle control system.

3. How can I diagnose the Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance code P2126 in my 2010 Ford Fusion?

Diagnosing code P2126 involves using a scan tool to read the code and related data, checking the throttle position sensor and its wiring for damage, and testing the throttle control system for proper operation.

4. Can I still drive my 2010 Ford Fusion with OBDII code P2126?

It is not recommended to drive your Ford Fusion with code P2126, as it can lead to reduced engine power and potential safety hazards. It is advisable to address the issue promptly to avoid further damage.

5. How can I repair the Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance error code P2126 in my 2010 Ford Fusion?

Repairing code P2126 may involve replacing the throttle position sensor, repairing or replacing damaged wiring or connections, or addressing any issues with the electronic throttle control system as needed.

6. Are there any DIY tips for fixing OBDII code P2126 in a 2010 Ford Fusion?

While some basic troubleshooting like checking connections and wiring can be done by DIY enthusiasts, diagnosing and repairing code P2126 may require specialized tools and expertise. It is advisable to consult a professional mechanic for proper diagnosis and repair.

7. How much does it typically cost to fix the Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance error code P2126 in a 2010 Ford Fusion?

The cost of repairing code P2126 can vary depending on the specific cause of the issue, labor rates in your area, and the cost of parts needed for the repair. It is recommended to obtain quotes from local automotive shops for an accurate estimate.

8. Can a faulty throttle position sensor cause other issues besides triggering code P2126 in a 2010 Ford Fusion?

Yes, a faulty throttle position sensor can cause a variety of issues beyond triggering code P2126, including poor fuel economy, rough idling, and problems with the vehicle's transmission shifting smoothly.

9. Will resetting the check engine light make OBDII code P2126 in a 2010 Ford Fusion go away?

Resetting the check engine light may temporarily clear the code, but if the underlying issue causing code P2126 is not addressed, the code is likely to reappear. It is essential to diagnose and repair the root cause of the problem.

10. How can I prevent OBDII code P2126 from occurring in my 2010 Ford Fusion in the future?

To prevent code P2126 from occurring, it is essential to perform regular maintenance on your vehicle, including checking and replacing the throttle position sensor as needed, maintaining clean and secure wiring connections, and addressing any drivability issues promptly.