P0573 2007 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 2007 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 2007 Ford Fusion Description
What are the Possible Causes of the DTC P0573 2007 Ford Fusion?
- Faulty Brake Switch
- Brake Switch harness is open or shorted
- Brake Switch circuit poor electrical connection
How to Fix the DTC P0573 2007 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 2007 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 2007 Ford Fusion Code
What does the OBDII code P0573 mean on a 2007 Ford Fusion?
P0573 indicates a "Brake Switch 'A' Circuit High," meaning the vehicle's computer has detected an abnormally high voltage in the brake light switch circuit.
What are the common symptoms of code P0573 in a 2007 Ford Fusion?
Symptoms include non-functioning brake lights, cruise control not working, and possibly the illumination of the check engine light.
What causes the P0573 code in a 2007 Ford Fusion?
Common causes include a faulty brake light switch, damaged or corroded wiring, poor electrical connections in the circuit, or a blown fuse.
Can I drive my 2007 Ford Fusion with a P0573 code?
While the car may still be drivable, driving with this issue is unsafe since it can affect the brake lights and cruise control, increasing the risk of accidents.
How do I diagnose the P0573 code on a 2007 Ford Fusion?
Start by checking the brake light switch, inspecting the wiring and connectors for damage or corrosion, and testing the circuit voltage with a multimeter.
How do I fix the P0573 code on my 2007 Ford Fusion?
Repairs may include replacing the brake light switch, repairing or replacing damaged wiring, cleaning corroded connectors, or replacing a blown fuse.
How much does it cost to repair the P0573 code on a 2007 Ford Fusion?
The cost can range from $50 to $200 depending on whether you need a new brake light switch, wiring repairs, or professional labor.
Could a blown fuse trigger the P0573 code on a 2007 Ford Fusion?
Yes, a blown fuse in the brake light circuit can cause the P0573 code by interrupting the circuit or causing high voltage.
Will fixing the P0573 code turn off the check engine light?
Yes, once the underlying issue is repaired and the code is cleared using an OBDII scanner, the check engine light should turn off.
Does the P0573 code affect the cruise control in a 2007 Ford Fusion?
Yes, the P0573 code can disable the cruise control system since it relies on input from the brake light switch to function correctly.
Discuss the causes and fixes for P0573 2007 Ford Fusion OBDII Code
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