Engine-CodesFord – P0572 2007 Ford Fusion

P0572 2007 Ford Fusion Code - Brake Switch 'A' Circuit Low

Quick Answer

The P0572 diagnostic trouble code (DTC) for a 2007 Ford Fusion indicates a problem with the Brake Switch 'A' Circuit being low. Common causes include Faulty brake switch, Wiring issues or loose connections in the brake switch circuit, Corrosion or damage to the brake switch or its components. 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
P0572 2007 Ford Fusion indicates Brake Switch 'A' Circuit Low.
Common causes
Common causes include Faulty brake switch, Wiring issues or loose connections in the brake switch circuit, Corrosion or damage to the brake switch or its components.
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 Aug 19, 2024
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Code P0572 2007 Ford Fusion Description

The P0572 diagnostic trouble code (DTC) for a 2007 Ford Fusion indicates a problem with the Brake Switch 'A' Circuit being low. The brake switch is an essential component in the vehicle's braking system as it signals to the vehicle's computer when the brake pedal is pressed. When the brake switch 'A' circuit is low, it means that the voltage signal from the brake switch is lower than expected, which can lead to issues with the vehicle's brake lights, cruise control, and transmission shift interlock. This can potentially affect the vehicle's performance and safety, as it may result in brake lights not illuminating properly, cruise control malfunctions, and difficulty shifting gears.

OBDII Code P0572 2007 Ford Fusion - Brake Switch 'A' Circuit Low
P0572 2007 Ford Fusion Code - Brake Switch 'A' Circuit Low

Common Causes of P0572 2007 Ford Fusion

  1. Faulty brake switch.
  2. Wiring issues or loose connections in the brake switch circuit.
  3. Corrosion or damage to the brake switch or its components.
  4. Issues with the brake pedal position sensor.
  5. Problems with the vehicle's computer or control module.

Symptoms of P0572 2007 Ford Fusion

  1. Brake lights not working or functioning intermittently.
  2. Cruise control not engaging or maintaining speed properly.
  3. Difficulty shifting gears out of park.
  4. Check engine light illuminated on the dashboard.
  5. Possible ABS or traction control warning lights appearing on the dashboard.

How to Fix P0572 2007 Ford Fusion

  1. Begin by locating the brake switch under the dashboard near the brake pedal.
  2. Inspect the brake switch and its wiring for any visible damage or corrosion.
  3. Test the brake switch with a multimeter to ensure it is functioning properly.
  4. If the brake switch is faulty, replace it with a new one.
  5. Clear the DTC using an OBD-II scanner and test the vehicle to ensure the issue has been resolved.

Cost to Fix P0572 2007 Ford Fusion

The cost of repairing a P0572 code on a 2007 Ford Fusion can vary depending on the cause of the issue and labor rates in your area. Typically, the cost of a new brake switch ranges from $20 to $50, with labor costs ranging from $50 to $150. Overall, the total repair cost could range from $70 to $200. Keep in mind that additional diagnostic time may be required to pinpoint the exact cause of the issue, so it's advisable to consult with a professional mechanic for a more accurate estimate.

Tech Notes for P0572 2007 Ford Fusion

Check the bulb and fuse first, if they are good replace the stop lamp switch (it is located behind the brake pedal)

When is the Code Detected?

The P0572 codes is set when the stop light switch signal is too low.

Need more information about the P0572 2007 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 P0572 2007 Ford Fusion Code

1. What does OBDII code P0572 on a 2007 Ford Fusion indicate?

- This code, Brake Switch 'A' Circuit Low, suggests a low voltage signal from the brake light switch.

2. What are the common symptoms of P0572 on a 2007 Ford Fusion?

- Common symptoms include the inability to shift out of park, cruise control not working, and the brake lights staying on constantly.

3. What are the possible causes of the P0572 code on a 2007 Ford Fusion?

- The code can be triggered by a faulty brake light switch, damaged wiring or connectors, or a problem with the brake light circuit.

4. How can I diagnose the P0572 code on my 2007 Ford Fusion?

- You can start by checking the brake light switch for proper operation, inspecting the wiring for any damage, and testing the brake light circuit for continuity.

5. Can I drive my 2007 Ford Fusion with the P0572 code?

- It is not recommended to drive with the P0572 code as it can affect the proper operation of important safety features like shifting and brake lights.

6. How do I repair the P0572 code on a 2007 Ford Fusion?

- To repair the P0572 code, you may need to replace the brake light switch, repair any damaged wiring, or fix any issues with the brake light circuit.

7. Is the P0572 code a serious issue on a 2007 Ford Fusion?

- While it may not cause immediate harm to the vehicle, the P0572 code can impact the safety and functionality of crucial systems like the brakes and transmission.

8. Can I reset the P0572 code on my 2007 Ford Fusion without repairs?

- Resetting the code without addressing the underlying issue will likely result in the code reappearing once the problem is detected again.

9. How long does it take to repair the P0572 code on a 2007 Ford Fusion?

- The repair time can vary based on the exact cause of the code, but it typically takes an hour or two to diagnose and fix the issue.

10. Will the P0572 code cause my 2007 Ford Fusion to fail an emission test?

- Yes, the P0572 code can cause your vehicle to fail an emission test due to its impact on the brake and transmission systems.

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