AutoCodes – Ford – P0123 2011 Ford Fusion

P0123 2011 Ford Fusion Code - Throttle/Pedal Position Sensor 'A' Circuit High

Quick Answer

The throttle position (TP) sensor circuit is monitored by the Powertrain Control Module (PCM) for a high TP rotation angle (or voltage) input through the comprehensive component monitor (CCM). Common causes include Dirty throttle plate, Faulty throttle position sensor, Throttle position sensor harness is open or shorted. 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: P0123 2011 Ford Fusion indicates Throttle/Pedal Position Sensor 'A' Circuit High.
Common causes: Common causes include Dirty throttle plate, Faulty throttle position sensor, Throttle position sensor harness is open or shorted.
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 3,494

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
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0123 2011 Ford Fusion Description

OBDII Code P0123 2011 Ford Fusion - Throttle/Pedal Position Sensor 'A' Circuit High - AutoCodes.com — P0123 2011 Ford Fusion Code - Throttle/Pedal Position Sensor 'A' Circuit High

What does this mean?

What are the Possible Causes of the DTC P0123 2011 Ford Fusion?

Dirty throttle plate
Faulty throttle position sensor
Throttle position sensor harness is open or shorted
Throttle position sensor circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0123 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 does this mean?

Code Tech Notes

You can try to clean the throttle body, before any other repairs.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0123 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.

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Need Help with the Code?

Get the P0123 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 P0123 2011 Ford Fusion Code

1. What are the common symptoms of OBDII code P0123 in a 2011 Ford Fusion?

- Common symptoms include issues with acceleration, a decrease in fuel efficiency, and the vehicle going into "limp mode" where it may not accelerate as usual.

2. What does the OBDII code P0123 indicate in a 2011 Ford Fusion?

- The code P0123 indicates that there is a problem with the Throttle/Pedal Position Sensor 'A' Circuit High, which means the sensor is reporting a higher voltage signal than expected.

3. What are the possible causes of OBDII code P0123 in a 2011 Ford Fusion?

- Possible causes include a faulty throttle position sensor, damaged wiring or connectors in the sensor circuit, a problem with the engine control module (ECM), or a malfunction in the throttle body.

4. How can I diagnose the issue causing OBDII code P0123 in my 2011 Ford Fusion?

- Diagnosing the issue involves checking the throttle position sensor's voltage readings using a multimeter, inspecting the sensor's wiring and connectors for damage, and ensuring there are no vacuum leaks in the intake system.

5. Can I continue driving my 2011 Ford Fusion with OBDII code P0123?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the engine or drivetrain. It's best to address the issue promptly to avoid potential safety hazards.

6. How can I repair OBDII code P0123 in my 2011 Ford Fusion?

- Repair options include replacing the throttle position sensor, repairing or replacing damaged wiring or connectors, resetting the ECM, or cleaning the throttle body if necessary.

7. Are there any DIY tips for fixing OBDII code P0123 in a 2011 Ford Fusion?

- While some basic troubleshooting like checking and cleaning connectors or replacing the throttle position sensor can be done by DIY enthusiasts, more complex repairs may require professional assistance.

8. Will resetting the OBDII code P0123 in my 2011 Ford Fusion solve the issue?

- Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing the code is not fixed, the code is likely to reappear once the problem is detected again.

9. How much does it typically cost to repair OBDII code P0123 in a 2011 Ford Fusion?

- The cost of repairing this code can vary depending on the cause of the issue, but it may range from around $100 for a DIY repair to several hundred dollars if professional assistance is needed.

10. Can OBDII code P0123 in a 2011 Ford Fusion cause any long-term damage if left unresolved?

- Leaving this code unresolved can potentially lead to long-term damage to the engine or drivetrain components, impacting the vehicle's performance and safety. It's important to address the issue promptly.