Engine-CodesFord – P0573 2006 Ford Fusion

P0573 2006 Ford Fusion Code - Brake Switch A Circuit High

Quick Answer

The P0573 diagnostic trouble code (DTC) for a 2006 Ford Fusion indicates a problem with the Brake Switch A Circuit High. Common causes include Faulty brake switch, Short circuit in the wiring, Corrosion or damage to the brake switch connector. 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
P0573 2006 Ford Fusion indicates Brake Switch A Circuit High .
Common causes
Common causes include Faulty brake switch, Short circuit in the wiring, Corrosion or damage to the brake switch connector.
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 17, 2024
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Code P0573 2006 Ford Fusion Description

The P0573 diagnostic trouble code (DTC) for a 2006 Ford Fusion indicates a problem with the Brake Switch A Circuit High. The brake switch, also known as the stoplight switch, is a crucial component of the vehicle's braking system. When you press the brake pedal, the brake switch sends a signal to the vehicle's computer, informing it that the brakes are being applied. This signal is used to activate the brake lights and may also be used to disengage cruise control or shift interlock systems.

OBDII Code P0573 2006 Ford Fusion - Brake Switch A Circuit High
P0573 2006 Ford Fusion Code - Brake Switch A Circuit High

Common Causes of P0573 2006 Ford Fusion

  1. Faulty brake switch
  2. Short circuit in the wiring
  3. Corrosion or damage to the brake switch connector
  4. Issues with the vehicle's computer or wiring harness

Symptoms of P0573 2006 Ford Fusion

  1. Non-functioning brake lights
  2. Cruise control not disengaging when brakes are applied
  3. Inability to shift out of park
  4. Check Engine Light illuminated on the dashboard

How to Fix P0573 2006 Ford Fusion

  1. Begin by locating the brake switch, typically located near the top of the brake pedal.
  2. Disconnect the wiring harness from the brake switch.
  3. Remove the old brake switch and replace it with a new one.
  4. Reconnect the wiring harness to the new brake switch.
  5. Clear the DTC with a diagnostic scanner and test the brake lights to ensure they are functioning properly.

Cost to Fix P0573 2006 Ford Fusion

The cost of repairing a Brake Switch A Circuit High issue on a 2006 Ford Fusion can vary depending on the specific cause of the problem. In general, the cost of a new brake switch can range from $20 to $50, while labor costs can range from $50 to $100. Therefore, the total repair cost could be anywhere from $70 to $150. Keep in mind that these are rough estimates, and actual costs may vary based on factors such as location, labor rates, and any additional parts or repairs that may be needed. It's recommended to consult with a qualified mechanic for a more accurate cost estimate.

Tech Notes for P0573 2006 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 P0573 codes is set when the stop light switch signal is too high.

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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 P0573 2006 Ford Fusion Code

1. What are the common symptoms of OBDII code P0573 on a 2006 Ford Fusion related to the Brake Switch A Circuit High?

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

2. What are the possible causes of the Brake Switch A Circuit High OBDII code P0573 in a 2006 Ford Fusion?

- The code P0573 can be caused by a faulty brake light switch, a short circuit in the wiring, or a problem with the brake light circuit.

3. How can I diagnose the Brake Switch A Circuit High OBDII code P0573 on my 2006 Ford Fusion?

- To diagnose this issue, 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.

4. Can a bad brake light switch cause the OBDII code P0573 on a 2006 Ford Fusion?

- Yes, a malfunctioning or misadjusted brake light switch can trigger the P0573 code by sending incorrect signals to the vehicle's computer.

5. How do I repair the Brake Switch A Circuit High OBDII code P0573 on my 2006 Ford Fusion?

- Repairing this code may involve replacing the brake light switch, repairing any damaged wiring, or resetting the brake light circuit if necessary.

6. Is it safe to continue driving my 2006 Ford Fusion with the Brake Switch A Circuit High OBDII code P0573?

- It is not recommended to drive the vehicle with this code present, as it can affect the proper operation of the brake lights and other safety features.

7. Can a DIY enthusiast fix the Brake Switch A Circuit High OBDII code P0573 on a 2006 Ford Fusion?

- Depending on your mechanical skills and tools available, you may be able to address this issue yourself by following repair guides or seeking assistance from automotive forums.

8. Will resetting the OBDII code P0573 on my 2006 Ford Fusion make it go away permanently?

- Resetting the code may temporarily turn off the warning light, but if the underlying issue causing the code is not fixed, it will likely reappear.

9. How long does it typically take to repair the Brake Switch A Circuit High OBDII code P0573 on a 2006 Ford Fusion?

- The repair time can vary depending on the exact cause of the issue, but it may take anywhere from 30 minutes to a few hours to diagnose and fix the problem.

10. Are there any recalls or service bulletins related to the Brake Switch A Circuit High OBDII code P0573 in a 2006 Ford Fusion?

- It is recommended to check with a Ford dealership or online resources to see if there are any known recalls or service bulletins related to this specific OBDII code for your vehicle.

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