Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is getting a low signal from the brake switch. It's like when a light switch in your house isn't working properly, and the lights won't turn on or off as they should.
The P0572 code is triggered when the powertrain control module (PCM) detects a low voltage signal from the brake switch circuit.
The brake switch is a crucial component that signals the vehicle's computer when the brake pedal is pressed. This switch is part of the brake light circuit and is also used by the PCM to control various functions such as cruise control. A low circuit signal indicates a potential issue with the switch, wiring, or connectors.
• Brake lights not working
• Cruise control not functioning
• Warning light on the dashboard
• Faulty brake switch
• Damaged or corroded wiring
• Poor electrical connection
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics II
• Check the brake lights for proper operation.
• Inspect the brake switch for damage or wear.
• Test the wiring and connectors for continuity and corrosion.
• Replace the faulty brake switch.
• Repair or replace damaged wiring or connectors.
• Clear the code and test the system.
• Multimeter
• Screwdriver set
• OBD-II scanner
$50 - $150
Moderate
• Honda Accord
• Toyota Camry
• Ford Focus
• Regularly inspect brake lights.
• Ensure proper maintenance of electrical systems.
• Check brake switch operation periodically.
Sensor Issue
• Do not ignore the warning light on your dashboard.
• Have your vehicle inspected by a professional if unsure.
Check if your vehicle is still under warranty for coverage on electrical components.
This code has been commonly reported in vehicles with high mileage or those frequently used in stop-and-go traffic.
Moderate – While the vehicle may still be operational, brake light issues can lead to safety hazards.
Driving with non-functional brake lights can result in traffic violations and increase the risk of accidents.
• Vehicle in park with engine running
• Brake pedal pressed
The brake switch is typically located near the brake pedal arm under the dashboard.
Q: Can I drive with a P0572 code?
A: It's not recommended as it may affect brake light operation, posing a safety risk.
Q: Will fixing the brake switch clear the code?
A: Yes, replacing or repairing the faulty component should clear the code after a reset.
Pro · Four-system diagnostics
A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.
Chassis and ABS faults usually need a scanner that can read brake-system data directly.
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