AutoCodes – Ford – P0123 2008 Ford Fusion

P0123 2008 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 2008 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 2,775

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 2008 Ford Fusion Description

OBDII Code P0123 2008 Ford Fusion - Throttle/Pedal Position Sensor 'A' Circuit High - AutoCodes.com — P0123 2008 Ford Fusion Code - Throttle/Pedal Position Sensor 'A' Circuit High

What does this mean?

What are the Possible Causes of the DTC P0123 2008 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 2008 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 2008 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 P0123 2008 Ford Fusion code?

Need more information on how to fix the P0123 2008 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0123 2008 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 2008 Ford Fusion Code

1. What are the common symptoms of OBDII code P0123 in a 2008 Ford Fusion?

- Common symptoms include issues with acceleration, poor engine performance, and potential stalling of the vehicle.

2. What does the OBDII code P0123 in a 2008 Ford Fusion indicate?

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

3. What are the possible causes of the Throttle/Pedal Position Sensor 'A' Circuit High in a 2008 Ford Fusion?

- Possible causes include a faulty throttle position sensor, damaged wiring or connectors, or issues with the engine control module.

4. How can I diagnose the cause of OBDII code P0123 in my 2008 Ford Fusion?

- You can use a diagnostic scanner to read the code, check the wiring and connectors for damage, and test the throttle position sensor for proper functionality.

5. Can driving with OBDII code P0123 in a 2008 Ford Fusion cause further damage?

- Continuing to drive with this code may lead to poor fuel economy, increased emissions, and potential damage to other engine components over time.

6. How can I repair OBDII code P0123 in my 2008 Ford Fusion?

- The repair typically involves replacing the throttle position sensor, repairing any damaged wiring or connectors, and clearing the trouble code with a diagnostic scanner.

7. Is it safe to continue driving my 2008 Ford Fusion with the Throttle/Pedal Position Sensor 'A' Circuit High code?

- It is not recommended to drive the vehicle with this code, as it can lead to decreased performance and potential safety hazards on the road.

8. Can I reset the OBDII code P0123 in my 2008 Ford Fusion by disconnecting the battery?

- Disconnecting the battery may clear the code temporarily, but it is important to diagnose and repair the underlying issue to prevent the code from reappearing.

9. How much does it typically cost to repair OBDII code P0123 in a 2008 Ford Fusion?

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

10. Are there any preventive measures to avoid OBDII code P0123 in a 2008 Ford Fusion?

- Regularly maintaining and inspecting the throttle position sensor, wiring, and connectors can help prevent issues that may lead to the Throttle/Pedal Position Sensor 'A' Circuit High code.