AutoCodes – Ford – P0573 2012 Ford Fusion

P0573 2012 Ford Fusion Code - Brake Switch 'A' Circuit High

Quick Answer

When the brake pedal is depressed, the stop light switch sends a signal to the Engine Control Module (ECM). Common causes include Faulty Brake Switch, Brake Switch harness is open or shorted, Brake Switch 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: P0573 2012 Ford Fusion indicates Brake Switch 'A' Circuit High.
Common causes: Common causes include Faulty Brake Switch, Brake Switch harness is open or shorted, Brake Switch 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 1,590

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 Apr 28, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0573 2012 Ford Fusion Description

When the brake pedal is depressed, the stop light switch sends a signal to the Engine Control Module (ECM). When the ECM receives this signal, it cancels the cruise control.

OBDII Code P0573 2012 Ford Fusion - Brake Switch 'A' Circuit High - AutoCodes.com — P0573 2012 Ford Fusion Code - Brake Switch 'A' Circuit High

What does this mean?

What are the Possible Causes of the DTC P0573 2012 Ford Fusion?

Faulty Brake Switch
Brake Switch harness is open or shorted
Brake Switch circuit poor electrical connection

How to Fix the DTC P0573 2012 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

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0573 2012 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 P0573 2012 Ford Fusion code?

Need more information on how to fix the P0573 2012 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the 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 P0573 2012 Ford Fusion Code

1. What are the common symptoms of OBDII code P0573 in a 2012 Ford Fusion?

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

2. What does the OBDII code P0573 for a 2012 Ford Fusion indicate?

- OBDII code P0573 indicates an issue with the Brake Switch 'A' Circuit High, suggesting a problem with the brake light switch circuit.

3. What are the possible causes of OBDII code P0573 in a 2012 Ford Fusion?

- Possible causes include a faulty brake light switch, damaged wiring or connectors in the brake light circuit, or a malfunctioning brake control module.

4. How can I diagnose the OBDII code P0573 in my 2012 Ford Fusion?

- Diagnosing OBDII code P0573 involves checking the brake light switch for proper operation, inspecting the wiring and connectors for any damage, and testing the brake control module if needed.

5. Can I drive my 2012 Ford Fusion with OBDII code P0573?

- It is not recommended to drive your vehicle with OBDII code P0573 as it can affect the proper functioning of the brake lights and other safety features.

6. How can I repair OBDII code P0573 in my 2012 Ford Fusion?

- Repairing OBDII code P0573 may involve replacing the faulty brake light switch, repairing or replacing damaged wiring or connectors, or reprogramming the brake control module.

7. Are there any DIY tips for fixing OBDII code P0573 in a 2012 Ford Fusion?

- DIY tips include checking and adjusting the brake light switch position, inspecting the wiring for any visible damage, and ensuring proper connection of all components in the brake light circuit.

8. How much does it cost to fix OBDII code P0573 in a 2012 Ford Fusion?

- The cost of fixing OBDII code P0573 can vary depending on the cause of the issue, but it may range from $50 to $200 for parts and labor.

9. Will OBDII code P0573 cause my 2012 Ford Fusion to fail an emissions test?

- OBDII code P0573 is related to the brake light circuit and is unlikely to cause your vehicle to fail an emissions test.

10. Can resetting the OBDII system clear the P0573 code in my 2012 Ford Fusion?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing P0573 is not addressed, the code is likely to reappear.