AutoCodes – Ford – P2122 2011 Ford Fusion

P2122 2011 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'D' Circuit Low

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: P2122 2011 Ford Fusion indicates Throttle/Pedal Position Sensor/Switch 'D' Circuit Low.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 2,063

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P2122 2011 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 P2122 code sets when The accelerator pedal position (APP) sensor 1 is out of self-test range low.

OBDII Code P2122 2011 Ford Fusion - Throttle/Pedal Position Sensor/Switch 'D' Circuit Low - AutoCodes.com — P2122 2011 Ford Fusion Code - Throttle/Pedal Position Sensor/Switch 'D' Circuit Low

What does this mean?

What are the Possible Causes of the DTC P2122 2011 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 P2122 2011 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 P2122 2011 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.

Need more information about the P2122 2011 Ford Fusion code?

Need more information on how to fix the P2122 2011 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2122 2011 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

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 P2122 2011 Ford Fusion Code

1. What are the common symptoms of OBDII code P2122 on a 2011 Ford Fusion?

The common symptoms of code P2122 include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into limp mode.

2. What does the OBDII code P2122 for a 2011 Ford Fusion indicate?

Code P2122 indicates an issue with the Throttle/Pedal Position Sensor/Switch 'D' Circuit, specifically that the voltage is lower than the expected range.

3. What are the possible causes of OBDII code P2122 on a 2011 Ford Fusion?

Possible causes of code P2122 include a faulty throttle position sensor, damaged wiring or connectors in the throttle pedal circuit, or issues with the powertrain control module.

4. How can I diagnose the cause of OBDII code P2122 on my 2011 Ford Fusion?

Diagnosing code P2122 involves checking the throttle position sensor's voltage readings, inspecting the wiring and connectors for damage, and testing the powertrain control module for proper functioning.

5. Can I still drive my 2011 Ford Fusion with OBDII code P2122 active?

Driving with code P2122 is not recommended as it can lead to unsafe driving conditions due to potential power loss and erratic throttle response. It's best to address the issue promptly.

6. How can I repair OBDII code P2122 on a 2011 Ford Fusion?

Repairing code P2122 may involve replacing the throttle position sensor, repairing or replacing damaged wiring or connectors, and resetting the fault code using an OBDII scanner.

7. Is it safe to reset the OBDII code P2122 on my 2011 Ford Fusion using an OBDII scanner?

Resetting the code using an OBDII scanner is safe after addressing the underlying issue causing code P2122. However, if the problem persists, further diagnosis and repairs are necessary.

8. Can a DIY enthusiast fix OBDII code P2122 on a 2011 Ford Fusion?

Depending on the DIY enthusiast's skill level and access to tools, fixing code P2122 may be possible by following the repair procedures outlined in the vehicle's service manual.

9. How much does it cost to repair OBDII code P2122 on a 2011 Ford Fusion at a mechanic?

The cost of repairing code P2122 can vary based on the specific issue causing the code and the labor rates of the mechanic, but it typically ranges from $100 to $300 or more.

10. Will OBDII code P2122 on a 2011 Ford Fusion reset on its own?

Code P2122 may reset on its own if the underlying issue is intermittent, but if the problem persists, it's essential to diagnose and repair the cause to prevent further issues.