AutoCodes – Ford – P0572 2008 Ford Fusion

P0572 2008 Ford Fusion Code - Brake Switch 'A' Circuit Low

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, Misadjusted brake switch, Brake Switch harness is open or shorted. 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 2008 Ford Fusion indicates Brake Switch 'A' Circuit Low.
Common causes: Common causes include Faulty Brake Switch, Misadjusted brake switch, Brake Switch harness is open or shorted.
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 2,025

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
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0572 2008 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 P0572 2008 Ford Fusion - Brake Switch 'A' Circuit Low - AutoCodes.com — P0572 2008 Ford Fusion Code - Brake Switch 'A' Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0572 2008 Ford Fusion?

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

How to Fix the DTC P0572 2008 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 P0572 2008 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 P0572 2008 Ford Fusion code?

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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 P0572 2008 Ford Fusion Code

1. What are the common symptoms of OBDII code P0572 in a 2008 Ford Fusion?

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

2. What does the OBDII code P0572 for a 2008 Ford Fusion indicate?

- This code indicates a malfunction in the Brake Switch 'A' Circuit, specifically a low voltage condition.

3. What are the possible causes of OBDII code P0572 in a 2008 Ford Fusion?

- Possible causes include a faulty brake light switch, damaged wiring or connectors in the brake light circuit, or a defective PCM (Powertrain Control Module).

4. How can I diagnose the cause of OBDII code P0572 in my 2008 Ford Fusion?

- You can start by checking the brake light switch for proper operation, inspecting the wiring and connectors for damage, and using a multimeter to test voltage at various points in the circuit.

5. How can I repair OBDII code P0572 in my 2008 Ford Fusion?

- To repair this code, you may need to replace the brake light switch if it is faulty, repair any damaged wiring or connectors, or reprogram the PCM if necessary.

6. Can I continue driving my 2008 Ford Fusion with OBDII code P0572?

- It is not recommended to continue driving with this code present, as it can affect the proper operation of your brake lights and other vehicle systems.

7. Will OBDII code P0572 in a 2008 Ford Fusion cause the vehicle to fail an emissions test?

- Yes, this code may cause the vehicle to fail an emissions test, as it indicates a problem with the brake light circuit which is a critical safety feature.

8. How much does it typically cost to repair OBDII code P0572 in a 2008 Ford Fusion?

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

9. Is OBDII code P0572 a common issue in 2008 Ford Fusion vehicles?

- Yes, this code is relatively common in Ford Fusion models from 2008 and can be caused by various factors related to the brake light circuit.

10. Can I reset OBDII code P0572 in my 2008 Ford Fusion using a scan tool?

- Yes, you can reset the code using an OBDII scan tool after repairing the underlying issue. However, if the problem persists, the code will likely reappear.