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Engine-Codes – RAM – P0571 Ram

P0571 Ram Code - Brake Switch 1 Performance

Quick Answer

The diagnostic trouble code P0571 refers to a performance issue with Brake Switch 1 in the vehicle's braking system. Common causes include Faulty brake switch, Damaged or corroded wiring connected to the brake switch, Issues with the electronic control module (ECM). 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 Ram indicates Brake Switch 1 Performance.
Common causes
Common causes include Faulty brake switch, Damaged or corroded wiring connected to the brake switch, Issues with the electronic control module (ECM).
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 Ram Description

The diagnostic trouble code P0571 refers to a performance issue with Brake Switch 1 in the vehicle's braking system. The brake switch is a crucial component that sends a signal to the vehicle's electronic control module (ECM) when the brake pedal is depressed. This signal is used to activate the brake lights and disengage cruise control, among other functions. When the ECM detects that the performance of Brake Switch 1 is not within the expected parameters, it triggers the P0571 trouble code.

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

Common Causes of P0571 Ram

  1. Faulty brake switch.
  2. Damaged or corroded wiring connected to the brake switch.
  3. Issues with the electronic control module (ECM).
  4. Loose or misaligned brake switch.
  5. Water damage or corrosion in the brake switch assembly.

Symptoms of P0571 Ram

  1. Brake lights not illuminating when the brake pedal is pressed.
  2. Cruise control not disengaging when the brake pedal is pressed.
  3. Inconsistent operation of the brake lights.
  4. Dashboard warning light indicating a brake system fault.

How to Fix P0571 Ram

  1. Begin by locating the brake switch, typically located near the brake pedal.
  2. Inspect the wiring connected to the brake switch for any damage or corrosion.
  3. Test the brake switch using a multimeter to determine if it is functioning correctly.
  4. If the brake switch is faulty, replace it with a new one according to the manufacturer's specifications.
  5. Clear the trouble code from the vehicle's ECM using a diagnostic tool to reset the system.

Cost to Fix P0571 Ram

The cost of repairing a P0571 code related to Brake Switch 1 performance can vary depending on the specific cause of the issue and the make and model of the vehicle. In general, the cost of parts for a brake switch replacement ranges from $20 to $50, while the labor cost can range from $80 to $150 per hour. Therefore, the total repair cost could be anywhere from $100 to $300, including parts and labor.

What does this mean?

Tech Notes for P0571 Ram









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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 Ram Code

1. What does the OBDII code P0571 mean for a Ram vehicle?

P0571 indicates a performance issue with the brake switch circuit, typically signaling incorrect input or functionality.

2. What are common symptoms of code P0571 in a Ram?

Symptoms may include cruise control not working, brake lights malfunctioning, or an illuminated check engine light.

3. What causes the P0571 code on a Ram?

Common causes include a faulty brake light switch, damaged wiring or connectors, or issues with the brake pedal assembly.

4. Can I still drive my Ram with code P0571?

You can drive, but it’s recommended to address the issue promptly, as it may affect safety systems like brake lights and cruise control.

5. How do I diagnose the P0571 code on my Ram?

Inspect the brake light switch, check the wiring and connectors for damage, and test the circuit for proper voltage and continuity.

6. How do I fix the P0571 code on a Ram?

Repairs may include replacing the brake light switch, repairing damaged wiring, or ensuring proper alignment of the brake pedal.

7. Will code P0571 affect my Ram’s brake lights?

Yes, a faulty brake light switch can cause brake lights to stay on or fail to illuminate when the pedal is pressed.

8. How much does it cost to fix code P0571 on a Ram?

Repairs typically range from $50 to $200, depending on whether the issue is with the brake light switch or wiring.

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

Yes, a malfunctioning or worn-out brake light switch is one of the main causes of this code.

10. Do I need special tools to fix the P0571 code on a Ram?

Basic tools like a multimeter and screwdrivers are usually sufficient for diagnosing and replacing the brake light switch or repairing wiring.

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