P0573 2010 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 2010 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.
Code P0573 2010 Ford Fusion Description
What are the Possible Causes of the DTC P0573 2010 Ford Fusion?
- Faulty Brake Switch
- Brake Switch harness is open or shorted
- Brake Switch circuit poor electrical connection
How to Fix the DTC P0573 2010 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0573 2010 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.
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Frequently Asked Questions about P0573 2010 Ford Fusion Code
1. What does the OBDII code P0573 mean on a 2010 Ford Fusion?
P0573 indicates a "Brake Switch 'A' Circuit High" fault, meaning the brake light switch is sending a voltage signal that is higher than expected.
2. What are the common symptoms of code P0573 in a 2010 Ford Fusion?
Symptoms include malfunctioning brake lights, cruise control not working, and potentially an illuminated check engine light.
3. What causes the P0573 code to appear?
Common causes include a faulty brake light switch, damaged or corroded wiring, a stuck brake pedal, or a defective connector.
4. Can I drive my 2010 Ford Fusion with the P0573 code?
While the car may be drivable, the issue can affect brake light functionality and cruise control, posing a safety risk. It’s best to address it promptly.
5. How do I diagnose the P0573 code on my Ford Fusion?
Start by inspecting the brake light switch, wiring, and connectors for damage or corrosion. A multimeter can be used to test for proper voltage at the switch.
6. How do I fix the P0573 code on a 2010 Ford Fusion?
Repairs may include replacing the brake light switch, repairing damaged wiring, cleaning corroded connections, or resetting the code after repairs.
7. Where is the brake light switch located on a 2010 Ford Fusion?
The brake light switch is typically located near the brake pedal assembly, mounted to detect the pedal's position.
8. What tools are needed to fix the P0573 code?
Common tools include a multimeter, basic hand tools for removing and replacing the switch, and possibly a scan tool to clear the code.
9. How much does it cost to repair a P0573 code on a 2010 Ford Fusion?
Repair costs vary but replacing a brake light switch typically costs $50-$150, including parts and labor.
10. Can a faulty brake light switch affect cruise control operation?
Yes, a faulty brake light switch can disable the cruise control, as the system relies on the switch to detect when the brakes are applied.
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