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Engine-Codes – Nissan – P1572 2009 Nissan Sentra

P1572 2009 Nissan Sentra Code - Brake Pedal Switch Circuit Malfunction

Quick Answer

The P1572 diagnostic trouble code (DTC) on a 2009 Nissan Sentra indicates a malfunction in the brake pedal switch circuit. Common causes include Faulty brake pedal switch, Damaged wiring or connectors in the circuit, ECM malfunction. 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
P1572 2009 Nissan Sentra indicates Brake Pedal Switch Circuit Malfunction.
Common causes
Common causes include Faulty brake pedal switch, Damaged wiring or connectors in the circuit, ECM malfunction.
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 08, 2024
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Code P1572 2009 Nissan Sentra Description

The P1572 diagnostic trouble code (DTC) on a 2009 Nissan Sentra indicates a malfunction in the brake pedal switch circuit. The brake pedal switch is a critical component of the vehicle's braking system, responsible for activating the brake lights when the brake pedal is pressed. It also communicates with the engine control module (ECM) to inform the vehicle when the brakes are being applied. When this circuit malfunctions, it can lead to a variety of issues that can affect the performance and safety of the vehicle.

OBDII Code P1572 2009 Nissan Sentra - Brake Pedal Switch Circuit Malfunction
P1572 2009 Nissan Sentra Code - Brake Pedal Switch Circuit Malfunction

Common Causes of P1572 2009 Nissan Sentra

  1. Faulty brake pedal switch
  2. Damaged wiring or connectors in the circuit
  3. ECM malfunction
  4. Corrosion or debris affecting the brake pedal switch operation
  5. Impact damage to the brake pedal assembly

Symptoms of P1572 2009 Nissan Sentra

  1. Check engine light illuminated on the dashboard
  2. Brake lights not working or functioning erratically
  3. ESC system warning light appearing on the dashboard
  4. Inconsistent response from the vehicle when applying the brakes
  5. Difficulty shifting gears or starting the vehicle

How to Fix P1572 2009 Nissan Sentra

  1. Begin by diagnosing the issue using a diagnostic scanner to retrieve the specific trouble codes and pinpoint the source of the problem.
  2. Inspect the brake pedal switch, wiring, and connectors for any signs of damage or wear. Replace any components that are faulty or damaged.
  3. Test the brake pedal switch circuit to ensure proper functionality and communication with the ECM.
  4. Clear the DTCs from the vehicle's onboard computer and reset the system to see if the issue has been resolved.
  5. If the problem persists, consider seeking the assistance of a professional mechanic to further diagnose and repair the issue.

Cost to Fix P1572 2009 Nissan Sentra

The cost of repairing a P1572 code on a 2009 Nissan Sentra can vary depending on the extent of the issue and the specific components that need to be replaced. On average, the parts for this repair can range from $50 to $150, while the labor costs can add an additional $80 to $150 per hour. In total, the repair for this issue could amount to approximately $150 to $400, including parts and labor. It is important to note that these estimates are rough guidelines, and actual costs may vary based on the location, vehicle make and model, and specific repair shop rates. It is advisable to consult with a trusted mechanic or repair shop for a more accurate cost estimate.

When is the Code Detected?

When the vehicle speed is above 30 km/h (19 MPH), ON signals from the stop lamp switch and the Automatic Speed Control Device (ASCD) brake switch are sent to the The Engine Control Modulee (ECM) at the same time.

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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 P1572 2009 Nissan Sentra Code

1. What are the common symptoms of OBDII code P1572 on a 2009 Nissan Sentra?

The common symptoms of code P1572 in a 2009 Nissan Sentra include brake lights staying on constantly, cruise control not working properly, and the inability to shift out of park.

2. What does the OBDII code P1572 Brake Pedal Switch Circuit Malfunction indicate?

The code P1572 indicates a malfunction in the brake pedal switch circuit, which is responsible for detecting when the brake pedal is pressed.

3. What are the possible causes of code P1572 on a 2009 Nissan Sentra?

Possible causes of code P1572 on a 2009 Nissan Sentra include a faulty brake pedal switch, damaged wiring or connectors in the brake pedal circuit, or a problem with the brake pedal position sensor.

4. How can I diagnose the cause of OBDII code P1572 on my 2009 Nissan Sentra?

You can diagnose the cause of code P1572 by visually inspecting the brake pedal switch, checking the wiring and connectors for any damage, and using a multimeter to test the switch for continuity.

5. Can I still drive my 2009 Nissan Sentra with OBDII code P1572 present?

It is not recommended to drive your 2009 Nissan Sentra with code P1572 present, as it can affect the proper operation of your brake lights and other critical safety systems.

6. Is it possible to reset OBDII code P1572 on a 2009 Nissan Sentra without fixing the issue?

While you can clear the code with an OBDII scanner, it is essential to address the underlying issue causing code P1572 to prevent further problems with your vehicle.

7. How much does it typically cost to repair OBDII code P1572 on a 2009 Nissan Sentra?

The cost of repairing code P1572 on a 2009 Nissan Sentra can vary depending on the exact cause of the issue, but it generally ranges from $100 to $300 for parts and labor.

8. Can a DIY enthusiast fix OBDII code P1572 on a 2009 Nissan Sentra?

If you have some experience with automotive repairs and the necessary tools, you may be able to fix code P1572 on your 2009 Nissan Sentra by replacing the brake pedal switch or repairing the wiring yourself.

9. Will OBDII code P1572 cause my 2009 Nissan Sentra to fail an emissions test?

Code P1572 itself may not cause your 2009 Nissan Sentra to fail an emissions test. Still, it is essential to address the issue promptly to prevent any potential safety concerns or further malfunctions.

10. How long does it typically take to repair OBDII code P1572 on a 2009 Nissan Sentra?

The repair time for code P1572 on a 2009 Nissan Sentra can vary depending on the exact cause of the problem and your mechanic's workload, but it generally takes 1-2 hours to diagnose and fix the issue.

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