P0573 2009 Ford Fusion Code - Brake Switch 'A' Circuit High
Quick Answer
The P0573 diagnostic trouble code (DTC) for a 2009 Ford Fusion indicates a problem with the Brake Switch 'A' Circuit being too high. Common causes include Faulty brake switch, Wiring issue in the brake switch circuit, Problem with the vehicle's computer. 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 2009 Ford Fusion indicates Brake Switch 'A' Circuit High.
- Common causes
- Common causes include Faulty brake switch, Wiring issue in the brake switch circuit, Problem with the vehicle's computer.
- 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 P0573 2009 Ford Fusion Description
The P0573 diagnostic trouble code (DTC) for a 2009 Ford Fusion indicates a problem with the Brake Switch 'A' Circuit being too high. The brake switch is a crucial component of the vehicle's braking system, as it is responsible for sending a signal to the vehicle's computer when the brake pedal is pressed. This signal is used to activate the brake lights and disengage cruise control, among other functions.
Common Causes of P0573 2009 Ford Fusion
- Faulty brake switch
- Wiring issue in the brake switch circuit
- Problem with the vehicle's computer
- Corrosion or damage to the electrical connections
- Faulty brake pedal position sensor
Symptoms of P0573 2009 Ford Fusion
- Brake lights not functioning properly
- Cruise control not disengaging when brake pedal is pressed
- Inability to start the vehicle
- Check engine light illuminated on the dashboard
How to Fix P0573 2009 Ford Fusion
- Begin by locating the brake switch, typically located near the brake pedal under the dashboard.
- Inspect the wiring and connections for any signs of damage, corrosion, or loose connections.
- Test the brake switch using a multimeter to ensure it is functioning properly.
- If the brake switch is faulty, replace it with a new one following the manufacturer's instructions.
- Clear the DTC using a scan tool and test the vehicle to ensure the issue has been resolved.
Cost to Fix P0573 2009 Ford Fusion
The typical repair costs for resolving a P0573 code on a 2009 Ford Fusion can range from $50 to $150 for parts, with labor costs varying between $80 and $150 per hour. Additional costs may be incurred if other components need to be replaced or if further diagnosis is required. It's recommended to check with local auto repair shops for more accurate estimates based on your specific location and vehicle.
Tech Notes for P0573 2009 Ford Fusion
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Frequently Asked Questions about P0573 2009 Ford Fusion Code
1. What are the common symptoms of OBDII code P0573 on a 2009 Ford Fusion?
- Common symptoms include the brake lights staying on constantly, cruise control not working, and potentially difficulty shifting out of park.
2. What does the OBDII code P0573 Brake Switch 'A' Circuit High mean for a 2009 Ford Fusion?
- This code indicates that the vehicle's powertrain control module (PCM) has detected a high voltage signal from the brake switch 'A' circuit.
3. What are the possible causes of OBDII code P0573 on a 2009 Ford Fusion?
- Possible causes include a faulty brake light switch, wiring issues in the brake light circuit, a malfunctioning PCM, or a short circuit in the brake switch circuit.
4. How can I diagnose the OBDII code P0573 on a 2009 Ford Fusion?
- You can diagnose this code by checking the brake light operation, inspecting the brake switch and its wiring for any damage, and using a scan tool to read the PCM data for brake switch status.
5. How do I repair OBDII code P0573 on a 2009 Ford Fusion?
- To repair this code, you may need to replace the faulty brake light switch, repair any damaged wiring in the brake light circuit, or reset the PCM after fixing the issue.
6. Can OBDII code P0573 on a 2009 Ford Fusion cause any safety concerns?
- Yes, since this code affects the brake light operation, it can pose safety concerns by potentially causing confusion for other drivers on the road when your brake lights stay on continuously.
7. Is it safe to continue driving with OBDII code P0573 on a 2009 Ford Fusion?
- It is generally not recommended to drive with this code present, as it can impact the proper functioning of your brake lights and other vehicle systems.
8. How much does it typically cost to repair OBDII code P0573 on a 2009 Ford Fusion?
- The cost of repair can vary depending on the exact cause of the code, but it may range from $50 to $200 for parts and labor.
9. Can I reset the OBDII code P0573 on a 2009 Ford Fusion without fixing the issue?
- While you can clear the code with a scan tool, it is important to address the underlying problem causing the code to prevent it from reoccurring.
10. Will OBDII code P0573 on a 2009 Ford Fusion affect the vehicle's performance?
- This code may not directly affect the vehicle's performance, but it can impact certain safety features and systems like cruise control and brake lights.
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