AutoCodes – Ford – P2128 2006 Ford Fusion

P2128 2006 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'E' Circuit High

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: P2128 2006 Ford Fusion indicates Throttle/Pedal Position Sensor/Switch 'E' Circuit High.
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 2,022

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

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 P2128 2006 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 2 is out of self-test range high.

OBDII Code P2128 2006 Ford Fusion - Throttle/Pedal Position Sensor/Switch 'E' Circuit High - AutoCodes.com — P2128 2006 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'E' Circuit High

What does this mean?

What are the Possible Causes of the DTC P2128 2006 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 P2128 2006 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 P2128 2006 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 P2128 2006 Ford Fusion Code

1. What are the common symptoms of OBDII code P2128 on a 2006 Ford Fusion?

- Common symptoms include engine hesitation, reduced engine power, stalling, and the vehicle going into "limp mode."

2. What are the possible causes of OBDII code P2128 on a 2006 Ford Fusion?

- The code P2128 is typically caused by a faulty throttle position sensor, pedal position sensor, wiring issues, or a problem with the electronic throttle control system.

3. How can I diagnose the cause of OBDII code P2128 on my 2006 Ford Fusion?

- Diagnosing the issue involves checking the throttle position sensor and pedal position sensor for proper operation, inspecting the wiring for any damage or loose connections, and using a scan tool to monitor sensor readings.

4. Can I still drive my 2006 Ford Fusion with OBDII code P2128?

- It is not recommended to drive the vehicle with code P2128 as it can lead to unsafe driving conditions and potential damage to the engine.

5. How can I repair OBDII code P2128 on a 2006 Ford Fusion?

- Repairing the code typically involves replacing the faulty throttle position sensor, pedal position sensor, or repairing any damaged wiring in the circuit.

6. Are there any DIY tips for fixing OBDII code P2128 on a 2006 Ford Fusion?

- DIY tips include checking and cleaning the throttle body, ensuring proper electrical connections, and performing a thorough visual inspection of the sensors and wiring.

7. Will resetting the OBDII code P2128 on a 2006 Ford Fusion make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to return.

8. How much does it cost to repair OBDII code P2128 on a 2006 Ford Fusion?

- The cost of repairing code P2128 can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Can a faulty throttle position sensor cause other issues besides triggering OBDII code P2128 on a 2006 Ford Fusion?

- Yes, a faulty throttle position sensor can cause other issues such as poor acceleration, rough idling, and decreased fuel efficiency.

10. Is it safe to continue driving my 2006 Ford Fusion if the throttle position sensor triggers OBDII code P2128?

- It is not safe to continue driving the vehicle if the throttle position sensor triggers code P2128, as it can lead to unpredictable acceleration and potential loss of control while driving.