AutoCodes – Ford – P2126 2009 Ford Fusion

P2126 2009 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 2009 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 1,749

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 2009 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 2009 Ford Fusion - Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance - AutoCodes.com — P2126 2009 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 2009 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 2009 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 2009 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 2009 Ford Fusion Code

1. What are the common symptoms of OBDII code P2126 in a 2009 Ford Fusion?

- Common symptoms include poor engine performance, reduced acceleration, stalling, and the vehicle going into limp mode.

2. What does the OBDII code P2126 in a 2009 Ford Fusion indicate?

- This code indicates an issue with the Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance.

3. What are the possible causes of OBDII code P2126 in a 2009 Ford Fusion?

- Possible causes include a faulty throttle position sensor, damaged wiring or connectors, a malfunctioning accelerator pedal position sensor, or a problem with the electronic throttle control system.

4. How can I diagnose the OBDII code P2126 in my 2009 Ford Fusion?

- Diagnosing this code typically involves using a scan tool to check for any related codes, testing the throttle position sensor and accelerator pedal position sensor, and inspecting the wiring and connectors for damage.

5. Can I still drive my 2009 Ford Fusion with OBDII code P2126?

- It is not recommended to drive the vehicle with this code as it can lead to further damage or safety issues. It is best to have the issue diagnosed and repaired as soon as possible.

6. How can I repair OBDII code P2126 in my 2009 Ford Fusion?

- Repairing this code usually involves replacing the faulty throttle position sensor or accelerator pedal position sensor, repairing any damaged wiring or connectors, and clearing the code with a scan tool.

7. Are there any tips for preventing OBDII code P2126 in a 2009 Ford Fusion?

- Regularly inspecting and maintaining the throttle position sensor, accelerator pedal position sensor, and related components can help prevent this code from occurring.

8. Can a DIY enthusiast fix OBDII code P2126 in a 2009 Ford Fusion?

- Depending on the skill level and tools available, a DIY enthusiast may be able to replace the throttle position sensor or accelerator pedal position sensor themselves. However, diagnosing and repairing wiring issues may require professional assistance.

9. How much does it cost to repair OBDII code P2126 in a 2009 Ford Fusion?

- The cost of repairing this code can vary depending on the cause of the issue, the labor rates in your area, and whether you choose to go to a dealership or an independent mechanic. It is best to get a few quotes for an accurate estimate.

10. Is OBDII code P2126 a common issue in 2009 Ford Fusion vehicles?

- While not extremely common, issues with the Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance can occur in 2009 Ford Fusion vehicles, especially as they age and components wear out.