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P0571 Mitsubishi Code - Brake Switch 1 Performance

Quick Answer

The P0571 code for Mitsubishi vehicles indicates a performance issue with Brake Switch 1. Common causes include Faulty brake switch, Damaged wiring connected to the brake switch, Corrosion or debris affecting the switch's performance. 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 Mitsubishi indicates Brake Switch 1 Performance.
Common causes
Common causes include Faulty brake switch, Damaged wiring connected to the brake switch, Corrosion or debris affecting the switch's performance.
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 10, 2024
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Code P0571 Mitsubishi Description

The P0571 code for Mitsubishi vehicles indicates a performance issue with Brake Switch 1. The brake switch is a crucial component of the vehicle's braking system, as it is responsible for informing the vehicle's computer when the brake pedal is pressed. This information is used to activate the brake lights and to disengage cruise control when the brakes are applied.

OBDII Code P0571 Mitsubishi - Brake Switch 1 Performance
P0571 Mitsubishi Code - Brake Switch 1 Performance

Common Causes of P0571 Mitsubishi

  1. Faulty brake switch
  2. Damaged wiring connected to the brake switch
  3. Corrosion or debris affecting the switch's performance
  4. Poor electrical connection
  5. Issues with the brake pedal position sensor

Symptoms of P0571 Mitsubishi

  1. Check Engine Light illuminated
  2. Brake Warning Light on the dashboard
  3. Inoperative brake lights
  4. Cruise control not disengaging when brakes are applied
  5. Difficulty shifting out of park

How to Fix P0571 Mitsubishi

  1. Begin by diagnosing the issue using a diagnostic scanner to retrieve the specific code and determine the cause of the problem.
  2. Inspect the brake switch and wiring for any damage, corrosion, or loose connections. Replace the brake switch if necessary.
  3. Test the new brake switch to ensure proper functionality and proper communication with the vehicle's computer.
  4. Clear the code from the vehicle's computer using the diagnostic scanner.
  5. Test drive the vehicle to confirm that the issue has been resolved and that warning lights are no longer illuminated.

Cost to Fix P0571 Mitsubishi

The cost of repairing a P0571 code for Brake Switch 1 performance can vary depending on the exact cause of the issue and the labor rates in your area. On average, the cost of replacing a brake switch can range from $50 to $150 for the part, with additional costs for labor. The total cost of repairs, including parts and labor, could range from $100 to $300. It is advisable to contact local auto repair shops for specific pricing information based on your vehicle make and model. Labor rates typically range from $80 to $150 per hour, but rates may vary based on location and the shop's expertise.

When is the Code Detected?

The P0571 codes is set when the stop light switch does not turn off even once the vehicle is driven.

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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 Mitsubishi Code

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

P0571 indicates a Brake Switch 1 Performance issue, meaning the brake light switch may not be operating properly or the signal is out of range.

2. What are the common symptoms of the P0571 code?

Symptoms include the brake lights not functioning correctly, cruise control not working, or the ABS/traction control warning light illuminating.

3. What causes the P0571 code on a Mitsubishi?

Common causes include a faulty brake light switch, damaged wiring or connectors, or a malfunctioning cruise control system.

4. Can I drive my Mitsubishi with the P0571 code?

While the vehicle may still be drivable, safety systems like brake lights or cruise control may not function properly, posing a safety risk.

5. How do you diagnose the P0571 code?

Diagnosis involves inspecting the brake light switch, checking the wiring and connectors for damage, and using a multimeter to test the electrical circuit.

6. How is the P0571 code fixed?

Repairs typically involve replacing the brake light switch, repairing damaged wiring, or cleaning connectors to restore proper signal performance.

7. How much does it cost to repair the P0571 code?

Repair costs vary, but replacing a brake light switch typically costs $50-$150, including parts and labor.

8. Can a faulty brake light switch trigger the P0571 code?

Yes, a malfunctioning brake light switch is one of the most common reasons for this code.

9. Will resetting the code fix the P0571 issue?

Resetting the code without addressing the root cause will not fix the issue; the code will likely return.

10. Does the P0571 code affect cruise control operation?

Yes, this code can disable the cruise control system, as it relies on signals from the brake light switch for safe operation.

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