Engine-CodesFord – P1502 2012 Ford Fusion

P1502 2012 Ford Fusion Code - Vehicle Speed Sensor Intermittent

Quick Answer

The P1502 diagnostic trouble code (DTC) for a 2012 Ford Fusion indicates an intermittent issue with the vehicle speed sensor. Common causes include Faulty vehicle speed sensor, Damaged wiring or connectors, Corrosion or debris affecting sensor operation. 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
P1502 2012 Ford Fusion indicates Vehicle Speed Sensor Intermittent.
Common causes
Common causes include Faulty vehicle speed sensor, Damaged wiring or connectors, Corrosion or debris affecting sensor operation.
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.
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P1502 2012 Ford Fusion Description

The P1502 diagnostic trouble code (DTC) for a 2012 Ford Fusion indicates an intermittent issue with the vehicle speed sensor. The vehicle speed sensor (VSS) is a crucial component that monitors the speed of the vehicle and sends this information to the engine control module (ECM) for various functions, including fuel injection, transmission shifting, and ABS operation. An intermittent fault with the VSS can lead to erratic speedometer readings, incorrect shifting patterns, and overall poor vehicle performance.

OBDII Code P1502 2012 Ford Fusion - Vehicle Speed Sensor Intermittent
P1502 2012 Ford Fusion Code - Vehicle Speed Sensor Intermittent

Common Causes of P1502 2012 Ford Fusion

  1. Faulty vehicle speed sensor
  2. Damaged wiring or connectors
  3. Corrosion or debris affecting sensor operation
  4. ECM software issues
  5. Mechanical damage to the sensor

Symptoms of P1502 2012 Ford Fusion

  1. Erratic speedometer readings
  2. Incorrect shifting patterns
  3. ABS warning light illuminated
  4. Engine stalling
  5. Decreased fuel efficiency

How to Fix P1502 2012 Ford Fusion

  1. Diagnose the issue by using a scan tool to retrieve the specific DTC and monitor VSS data.
  2. Inspect the vehicle speed sensor, wiring, and connectors for any visible damage or corrosion.
  3. Test the VSS using a multimeter to check for proper resistance and signal output.
  4. Replace the faulty vehicle speed sensor if necessary and clear the DTC from the ECM.
  5. Test drive the vehicle to ensure the issue has been resolved and the code does not return.

Cost to Fix P1502 2012 Ford Fusion

The typical repair costs for addressing a P1502 code on a 2012 Ford Fusion can range from $100 to $300, depending on the specific cause of the issue and the cost of the replacement parts. This estimate includes the cost of a new vehicle speed sensor, any necessary wiring repairs, and labor charges. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

When is the Code Detected?

The Powertrain Control Module (PCM) detected an intermittent condition on the vehicle speed sensor circuit

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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 P1502 2012 Ford Fusion Code

1. What are the common symptoms of OBDII code P1502 in a 2012 Ford Fusion related to the vehicle speed sensor intermittent issue?

The common symptoms include erratic speedometer readings, intermittent loss of speedometer function, erratic shifting of the transmission, and the illumination of the check engine light.

2. What are the possible causes of the OBDII code P1502 related to the vehicle speed sensor intermittent problem in a 2012 Ford Fusion?

The possible causes include a faulty vehicle speed sensor, damaged wiring or connectors related to the speed sensor circuit, or a malfunctioning instrument cluster.

3. How can I diagnose the OBDII code P1502 in a 2012 Ford Fusion related to the vehicle speed sensor intermittent issue?

Diagnosis typically involves using an OBDII scanner to retrieve the trouble codes, inspecting the vehicle speed sensor and its wiring for damage, and testing the sensor's functionality using a multimeter.

4. Is it safe to continue driving a 2012 Ford Fusion with the OBDII code P1502 related to the vehicle speed sensor intermittent problem?

It is not recommended to continue driving the vehicle with this issue, as it can lead to inaccurate speed readings, potential transmission problems, and safety hazards.

5. How can I repair the OBDII code P1502 in a 2012 Ford Fusion related to the vehicle speed sensor intermittent issue?

Repair options may include replacing the faulty vehicle speed sensor, repairing or replacing damaged wiring or connectors, or addressing any issues with the instrument cluster.

6. Can a DIY enthusiast fix the OBDII code P1502 related to the vehicle speed sensor intermittent problem in a 2012 Ford Fusion?

While some DIY enthusiasts may be able to address this issue, it is recommended to have a professional mechanic diagnose and repair the problem to ensure it is properly resolved.

7. Are there any temporary fixes or workarounds for the OBDII code P1502 in a 2012 Ford Fusion related to the vehicle speed sensor intermittent issue?

There are no recommended temporary fixes for this issue, as it is important to address the root cause of the problem to prevent further damage and ensure the vehicle operates safely.

8. How much does it typically cost to repair the OBDII code P1502 in a 2012 Ford Fusion related to the vehicle speed sensor intermittent issue?

The cost of repair can vary depending on the specific cause of the issue, but it may involve parts and labor costs ranging from $100 to $300 or more.

9. Can the OBDII code P1502 related to the vehicle speed sensor intermittent issue in a 2012 Ford Fusion affect fuel economy?

While the direct impact on fuel economy may be minimal, it is still important to address this issue promptly to prevent potential transmission problems and ensure the vehicle operates efficiently.

10. Will resetting the OBDII code P1502 related to the vehicle speed sensor intermittent problem in a 2012 Ford Fusion make the issue go away?

Resetting the code may temporarily clear the check engine light, but if the underlying problem is not addressed, the code is likely to reappear once the issue is detected again by the vehicle's system.

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