P0573 Toyota Code - Cruise Control/Brake Switch 'A' Circuit High
Quick Answer
The P0573 OBD-II trouble code indicates that there is a malfunction in the Cruise Control/Brake Switch 'A' Circuit, specifically that the circuit is reading a high voltage signal when it should not be. Common causes include Faulty brake switch, Damaged wiring or connectors in the circuit, Malfunctioning cruise control module. 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 Toyota indicates Cruise Control/Brake Switch 'A' Circuit High.
- Common causes
- Common causes include Faulty brake switch, Damaged wiring or connectors in the circuit, Malfunctioning cruise control module.
- 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 Toyota Description
The P0573 OBD-II trouble code indicates that there is a malfunction in the Cruise Control/Brake Switch 'A' Circuit, specifically that the circuit is reading a high voltage signal when it should not be. This code typically affects vehicles with cruise control capabilities, as the brake switch is an important component in the system. The brake switch is responsible for detecting when the brake pedal is pressed, which in turn deactivates the cruise control system to ensure safety.
Common Causes of P0573 Toyota
- Faulty brake switch
- Damaged wiring or connectors in the circuit
- Malfunctioning cruise control module
- Corrosion or loose connections in the circuit
- Electrical issues in the vehicle
Symptoms of P0573 Toyota
- Inoperative cruise control system
- Brake lights staying on constantly
- Cruise control engaging unexpectedly
- Check Engine Light illuminated
- Vehicle may not shift out of park
How to Fix P0573 Toyota
- Begin by conducting a thorough diagnosis of the cruise control/brake switch circuit using a digital multimeter to pinpoint the exact cause of the high voltage signal.
- Inspect the brake switch for any signs of damage or wear and replace if necessary.
- Check the wiring and connectors in the circuit for any visible damage, corrosion, or loose connections. Repair or replace as needed.
- Test the cruise control module for proper functionality and replace if it is found to be malfunctioning.
- Clear the diagnostic trouble codes from the vehicle's computer and test the cruise control system to ensure that the issue has been resolved.
Cost to Fix P0573 Toyota
The cost of repairing the Cruise Control/Brake Switch 'A' Circuit High issue can vary depending on the specific cause of the problem and the vehicle's make and model. On average, the parts for this repair can range from $50 to $200, while the labor costs can be between $100 and $200. This estimate does not include diagnosis time, which can add to the overall cost. It is recommended to consult with a professional mechanic to get a more accurate estimate based on the specific circumstances of the vehicle.
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