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P1572 2009 Nissan Altima Sedan Code - Brake Pedal Switch Circuit Malfunction

Quick Answer

The P1572 diagnostic trouble code (DTC) for a 2009 Nissan Altima Sedan indicates a Brake Pedal Switch Circuit Malfunction. Common causes include Faulty brake pedal switch, Damaged wiring or connectors in the brake pedal switch circuit, Malfunctioning PCM. 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 Altima Sedan indicates Brake Pedal Switch Circuit Malfunction.
Common causes
Common causes include Faulty brake pedal switch, Damaged wiring or connectors in the brake pedal switch circuit, Malfunctioning PCM.
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 07, 2024
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Code P1572 2009 Nissan Altima Sedan Description

The P1572 diagnostic trouble code (DTC) for a 2009 Nissan Altima Sedan indicates a Brake Pedal Switch Circuit Malfunction. This code is triggered when the Powertrain Control Module (PCM) detects an issue with the brake pedal switch circuit, which is responsible for signaling the PCM when the brake pedal is pressed. The brake pedal switch is a crucial component in the vehicle's brake system as it communicates with the PCM to engage the brake lights and potentially disable cruise control when the brake pedal is depressed.

OBDII Code P1572 2009 Nissan Altima Sedan - Brake Pedal Switch Circuit Malfunction
P1572 2009 Nissan Altima Sedan Code - Brake Pedal Switch Circuit Malfunction

Common Causes of P1572 2009 Nissan Altima Sedan

  1. Faulty brake pedal switch
  2. Damaged wiring or connectors in the brake pedal switch circuit
  3. Malfunctioning PCM
  4. Loose connections in the brake pedal switch circuit
  5. Corrosion on electrical components in the brake pedal switch circuit

Symptoms of P1572 2009 Nissan Altima Sedan

  1. Brake lights not illuminating when the brake pedal is pressed
  2. Cruise control not disengaging when the brake pedal is pressed
  3. Difficulty shifting gears or starting the vehicle
  4. Check Engine Light illuminated on the dashboard

How to Fix P1572 2009 Nissan Altima Sedan

  1. Begin by visually inspecting the brake pedal switch and its wiring for any signs of damage or corrosion.
  2. Test the brake pedal switch using a multimeter to check for continuity and proper functionality.
  3. Replace the brake pedal switch if it is found to be faulty or damaged.
  4. Repair or replace any damaged wiring or connectors in the brake pedal switch circuit.
  5. Clear the DTC with a scan tool and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1572 2009 Nissan Altima Sedan

The cost of repairing a Brake Pedal Switch Circuit Malfunction can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the parts for this repair may cost between $50 to $150, while the labor charges can range from $100 to $200. Overall, the total repair cost for this issue is typically around $150 to $350. However, it is essential to note that the actual costs may differ based on the location of the repair shop, the make and model of the vehicle, and any additional services required. It is recommended to consult with a professional mechanic for a more accurate estimate based on the specific circumstances.

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 Altima Sedan Code

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

The common symptoms include the brake lights staying on continuously, cruise control not functioning properly, and the inability to shift out of Park.

2. What usually causes the P1572 code on a 2009 Nissan Altima Sedan?

The P1572 code typically indicates a malfunction in the brake pedal switch circuit, which may be caused by a faulty brake pedal switch, damaged wiring, or a poor connection.

3. How can I diagnose the Brake Pedal Switch Circuit Malfunction on my 2009 Nissan Altima Sedan?

You can start by checking the brake pedal switch for proper operation, inspecting the wiring for any damage, and ensuring all connections are secure. A multimeter can also be used to test the switch's continuity.

4. Can I still drive my 2009 Nissan Altima Sedan with the P1572 code?

It is not recommended to drive the vehicle with the P1572 code, as it can affect crucial functions like the brake lights and shift interlock system. It is best to address the issue promptly to avoid any safety risks.

5. How can I repair the Brake Pedal Switch Circuit Malfunction on my 2009 Nissan Altima Sedan?

To repair the issue, you may need to replace the brake pedal switch if it is faulty, repair any damaged wiring, and ensure all connections are secure. Clearing the trouble code with an OBDII scanner is also recommended after making the repairs.

6. Will resetting the OBDII code P1572 on my 2009 Nissan Altima Sedan make it go away permanently?

Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing the P1572 code is not addressed, it is likely to reappear. It is essential to diagnose and repair the root cause of the code for a permanent solution.

7. How much does it typically cost to fix the Brake Pedal Switch Circuit Malfunction on a 2009 Nissan Altima Sedan?

The cost of fixing the P1572 code can vary depending on the exact cause of the issue and whether you choose to do the repairs yourself or take the vehicle to a mechanic. Costs may include parts, labor, and diagnostic fees.

8. Can a DIY enthusiast repair the P1572 code on a 2009 Nissan Altima Sedan?

Yes, if you have some automotive repair experience and the necessary tools, you may be able to diagnose and repair the Brake Pedal Switch Circuit Malfunction yourself. However, if you are unsure or uncomfortable with the process, it is best to seek professional help.

9. Will the P1572 code affect the overall performance of my 2009 Nissan Altima Sedan?

While the P1572 code itself may not directly impact the engine performance, it can affect the functionality of critical systems like the brake lights and transmission interlock. Addressing the issue promptly is essential for the safe operation of your vehicle.

10. Is the Brake Pedal Switch Circuit Malfunction a common issue in 2009 Nissan Altima Sedans?

While the P1572 code may not be extremely common, issues with brake pedal switches and their circuits can occur in various vehicles, including the 2009 Nissan Altima Sedan. Proper maintenance and timely repairs can help prevent such problems.

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