P0572 2009 Ford Fusion Code - Brake Switch 'A' Circuit Low
Quick Answer
The P0572 diagnostic trouble code for a 2009 Ford Fusion indicates a problem with the Brake Switch 'A' Circuit being low. Common causes include Faulty brake switch, Damaged wiring or connectors in the brake switch circuit, Corrosion or poor connection at the brake switch. 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 2009 Ford Fusion indicates Brake Switch 'A' Circuit Low.
- Common causes
- Common causes include Faulty brake switch, Damaged wiring or connectors in the brake switch circuit, Corrosion or poor connection at the brake switch.
- 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 P0572 2009 Ford Fusion Description
The P0572 diagnostic trouble code for a 2009 Ford Fusion indicates a problem with the Brake Switch 'A' Circuit being low. The brake switch is a crucial component in the vehicle's braking system, as it sends a signal to the vehicle's electronic control module (ECM) when the brake pedal is depressed. This signal is used by the ECM to control various functions such as disengaging cruise control, activating brake lights, and potentially other safety systems.
Common Causes of P0572 2009 Ford Fusion
- Faulty brake switch.
- Damaged wiring or connectors in the brake switch circuit.
- Corrosion or poor connection at the brake switch.
- Issues with the ECM or related control modules.
- Electrical issues such as a short circuit or open circuit in the brake switch circuit.
Symptoms of P0572 2009 Ford Fusion
- Brake lights staying on continuously.
- Inability to disengage cruise control when braking.
- Difficulty shifting out of park.
- ABS warning light illuminated on the dashboard.
- Loss of power assist in braking.
How to Fix P0572 2009 Ford Fusion
- Begin by locating the brake switch, typically located near the brake pedal assembly.
- Inspect the wiring and connectors for any signs of damage, corrosion, or poor connection.
- Test the brake switch using a multimeter to check for proper voltage output.
- If the brake switch is faulty, replace it with a new one following manufacturer guidelines.
- Clear the diagnostic trouble codes using an OBD-II scanner and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0572 2009 Ford Fusion
The cost of repairing a P0572 code on a 2009 Ford Fusion can vary depending on the specific cause of the issue. In general, the cost of a new brake switch can range from $20 to $50, while labor costs for the repair can range from $80 to $150 per hour. Overall, the total repair cost for this issue is typically between $100 and $300, but it's advisable to check with local auto repair shops for a more accurate estimate based on your location and vehicle specifics.
Tech Notes for P0572 2009 Ford Fusion
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Frequently Asked Questions about P0572 2009 Ford Fusion Code
1. What does OBDII code P0572 mean on a 2009 Ford Fusion?
P0572 indicates that the brake switch 'A' circuit is reading a voltage lower than the expected range, which can affect the brake light and cruise control systems.
2. What are the symptoms of code P0572 in a 2009 Ford Fusion?
Common symptoms include non-functioning brake lights, inability to engage cruise control, and the illumination of the check engine light.
3. What causes code P0572 in a 2009 Ford Fusion?
The most common causes are a faulty brake light switch, damaged wiring or connectors in the brake switch circuit, or a blown fuse.
4. Can code P0572 affect how the car drives?
While P0572 doesn’t typically affect drivability, it can disable the cruise control system and pose a safety risk if the brake lights stop working.
5. How do you diagnose code P0572 on a 2009 Ford Fusion?
Start by checking the brake lights and fuse, inspect the brake switch wiring and connectors for damage, and test the brake light switch for proper voltage and functionality.
6. Can I drive my 2009 Ford Fusion with a P0572 code?
It’s not recommended, as malfunctioning brake lights can pose a safety hazard and may make your car non-compliant with traffic laws.
7. How do you fix code P0572 in a 2009 Ford Fusion?
Repairs typically include replacing the brake light switch, repairing damaged wiring, or replacing a blown fuse in the brake light circuit.
8. How much does it cost to fix code P0572 on a 2009 Ford Fusion?
The cost varies but typically ranges from $50 to $150, depending on whether the brake light switch or wiring needs repair.
9. Can a bad brake light switch cause the P0572 code?
Yes, a faulty or stuck brake light switch is a common cause of the P0572 code.
10. Will clearing the P0572 code fix the problem?
Clearing the code without addressing the underlying issue will not fix the problem, and the code is likely to return.
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