AutoCodes – Ford – P0503 2006 Ford Fusion

P0503 2006 Ford Fusion Code - Vehicle Speed Sensor 'A' Intermittent

Quick Answer

Indicates poor or noisy VSS performance. Common causes include Faulty Vehicle Speed Sensor, Vehicle speed sensor harness or connectors is open or shorted, Vehicle speed 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: P0503 2006 Ford Fusion indicates Vehicle Speed Sensor 'A' Intermittent.
Common causes: Common causes include Faulty Vehicle Speed Sensor, Vehicle speed sensor harness or connectors is open or shorted, Vehicle speed 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 1,926

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 P0503 2006 Ford Fusion Description

Indicates poor or noisy VSS performance. Vehicle speed data is received from either the VSS, the transfer case speed sensor (TCSS), or the anti lock brake system (ABS) control module.

OBDII Code P0503 2006 Ford Fusion - Vehicle Speed Sensor 'A' Intermittent - AutoCodes.com — P0503 2006 Ford Fusion Code - Vehicle Speed Sensor 'A' Intermittent

What does this mean?

What are the Possible Causes of the DTC P0503 2006 Ford Fusion?

Faulty Vehicle Speed Sensor
Vehicle speed sensor harness or connectors is open or shorted
Vehicle speed sensor circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0503 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 P0503 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.

Need more information about the P0503 2006 Ford Fusion code?

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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 P0503 2006 Ford Fusion Code

1. What are the common symptoms of OBDII code P0503 on a 2006 Ford Fusion?

- Common symptoms include erratic speedometer readings, incorrect or fluctuating vehicle speed readings, and issues with the cruise control system.

2. What can cause the OBDII code P0503 to appear on a 2006 Ford Fusion?

- The code P0503 is typically triggered by a faulty vehicle speed sensor 'A', damaged wiring or connectors related to the sensor, or issues with the sensor's signal.

3. How can I diagnose the OBDII code P0503 on my 2006 Ford Fusion?

- Diagnosis involves using a scan tool to retrieve the code, inspecting the vehicle speed sensor and its wiring for any visible damage, and testing the sensor's output using a multimeter.

4. What are the possible repair options for fixing the Vehicle Speed Sensor 'A' Intermittent issue on a 2006 Ford Fusion?

- Repair options include replacing the faulty vehicle speed sensor 'A', repairing or replacing damaged wiring or connectors, and ensuring proper alignment and installation of the new sensor.

5. Can I drive my 2006 Ford Fusion with the OBDII code P0503 present?

- It is not recommended to drive the vehicle with the P0503 code present, as it can lead to inaccurate speed readings and potential issues with other vehicle systems relying on speed sensor data.

6. Will resetting the OBDII code P0503 on my 2006 Ford Fusion make it go away permanently?

- Resetting the code may temporarily clear it, but if the underlying issue causing the code is not addressed, it is likely to reappear once the vehicle is driven again.

7. How much does it typically cost to repair the Vehicle Speed Sensor 'A' Intermittent problem on a 2006 Ford Fusion?

- The cost of repair can vary depending on the cause of the issue and whether you choose to do the repair yourself or take it to a mechanic. Replacement sensors can range from $50 to $150, not including labor costs.

8. Can a faulty vehicle speed sensor affect the performance of my 2006 Ford Fusion?

- Yes, a faulty vehicle speed sensor can impact the vehicle's performance by causing issues with shifting, cruise control operation, and overall drivability due to inaccurate speed readings.

9. Are there any preventive measures to avoid encountering the OBDII code P0503 on a 2006 Ford Fusion?

- Regular maintenance, such as checking and cleaning the speed sensor and its connections during routine inspections, can help prevent issues that may trigger the P0503 code.

10. How long does it take to replace the Vehicle Speed Sensor 'A' on a 2006 Ford Fusion?

- The replacement process can vary but typically takes around 1-2 hours, depending on the accessibility of the sensor and the skill level of the person performing the repair.