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P0571 Honda Code - Brake Pedal Position Switch Circuit Malfunction

Quick Answer

The P0571 diagnostic trouble code for Honda vehicles indicates a malfunction in the brake pedal position switch circuit. Common causes include Faulty brake pedal position switch, Damaged wiring or connectors in the circuit, Corroded or loose connection in the brake pedal position switch circuit. 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
P0571 Honda indicates Brake Pedal Position Switch Circuit Malfunction.
Common causes
Common causes include Faulty brake pedal position switch, Damaged wiring or connectors in the circuit, Corroded or loose connection in the brake pedal position switch circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0571 Honda Description

The P0571 diagnostic trouble code for Honda vehicles indicates a malfunction in the brake pedal position switch circuit. This switch is a crucial component in the vehicle's braking system as it sends signals to the engine control module (ECM) when the brake pedal is depressed. When this switch fails or malfunctions, it can lead to a variety of issues that can affect the vehicle's performance and safety.

OBDII Code P0571 Honda - Brake Pedal Position Switch Circuit Malfunction
P0571 Honda Code - Brake Pedal Position Switch Circuit Malfunction

Common Causes of P0571 Honda

  1. Faulty brake pedal position switch.
  2. Damaged wiring or connectors in the circuit.
  3. Corroded or loose connection in the brake pedal position switch circuit.
  4. Malfunctioning ECM.

Symptoms of P0571 Honda

  1. Brake lights not illuminating when the brake pedal is pressed.
  2. Inability to disengage cruise control when braking.
  3. Traction control or stability control warning lights illuminated on the dashboard.
  4. Loss of functionality in safety features related to the brake pedal position switch.

How to Fix P0571 Honda

  1. Begin by diagnosing the issue using a diagnostic scanner to retrieve the trouble codes and pinpoint the source of the problem.
  2. Inspect the brake pedal position switch, wiring, and connectors for any signs of damage, corrosion, or wear.
  3. Test the brake pedal position switch using a multimeter to ensure it is functioning correctly.
  4. Replace the brake pedal position switch if it is found to be faulty, ensuring proper installation and secure connections.
  5. Clear the trouble codes from the ECM and test the vehicle to verify that the issue has been resolved.

Cost to Fix P0571 Honda

The typical cost to repair a P0571 code in a Honda vehicle can range from $100 to $300, including parts and labor. However, it is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It is recommended to obtain quotes from local repair shops for a more accurate estimate.

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Information for Specific Honda Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0571 Honda Code

1. What does the OBDII code P0571 mean on a Honda?

P0571 indicates a malfunction in the brake pedal position switch circuit, which monitors the brake pedal's position to assist systems like cruise control and brake lights.

2. What are the symptoms of code P0571 in a Honda?

Common symptoms include the cruise control not working, brake lights staying on or not illuminating, and the check engine light being triggered.

3. What causes code P0571 to appear in a Honda?

Possible causes include a faulty brake pedal position switch, damaged wiring or connectors in the circuit, or issues with the vehicle's Electronic Control Unit (ECU).

4. Can I drive my Honda with code P0571?

While the vehicle may still be drivable, safety features like brake lights and cruise control could be compromised, so it’s best to address the issue promptly.

5. How do I fix code P0571 on a Honda?

Start by inspecting the brake pedal position switch and its wiring for damage. Replace the switch if it’s faulty, and repair or replace any damaged wiring or connectors.

6. How much does it cost to fix code P0571 on a Honda?

Repair costs can vary, but replacing a brake pedal position switch typically ranges from $50 to $150, including parts and labor.

7. Can a blown fuse cause code P0571 in a Honda?

Yes, a blown fuse in the brake light or related circuit can interrupt the brake pedal position switch function and trigger the code.

8. How do I test the brake pedal position switch on my Honda?

Use a multimeter to check for continuity in the switch when the brake pedal is pressed. If there’s no continuity, the switch is likely faulty and needs replacement.

9. Will clearing the code P0571 fix the problem in my Honda?

Clearing the code will turn off the check engine light temporarily, but if the underlying issue isn’t resolved, the code will reappear.

10. Does a faulty brake pedal position switch affect other systems in my Honda?

Yes, it can impact systems like cruise control, ABS, and brake light operation, as these rely on accurate input from the switch.

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