Engine-CodesNissan – P1572 2004 Nissan Altima Sedan

P1572 2004 Nissan Altima Sedan Code - Brake Pedal Switch Circuit Malfunction

Quick Answer

The P1572 diagnostic trouble code (DTC) for a 2004 Nissan Altima Sedan indicates a Brake Pedal Switch Circuit Malfunction. Common causes include Faulty brake pedal switch, Damaged or corroded wiring in the brake pedal switch circuit, Malfunctioning 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
P1572 2004 Nissan Altima Sedan indicates Brake Pedal Switch Circuit Malfunction.
Common causes
Common causes include Faulty brake pedal switch, Damaged or corroded wiring in the brake pedal switch circuit, Malfunctioning 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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P1572 2004 Nissan Altima Sedan Description

The P1572 diagnostic trouble code (DTC) for a 2004 Nissan Altima Sedan indicates a Brake Pedal Switch Circuit Malfunction. This code is triggered when the Engine Control Module (ECM) detects an issue with the brake pedal switch circuit. The brake pedal switch is a crucial component that sends a signal to the ECM when the brake pedal is depressed, allowing the vehicle to activate the brake lights and control various systems such as cruise control, traction control, and the transmission shift interlock.

OBDII Code P1572 2004 Nissan Altima Sedan - Brake Pedal Switch Circuit Malfunction
P1572 2004 Nissan Altima Sedan Code - Brake Pedal Switch Circuit Malfunction

Common Causes of P1572 2004 Nissan Altima Sedan

  1. Faulty brake pedal switch.
  2. Damaged or corroded wiring in the brake pedal switch circuit.
  3. Malfunctioning ECM.
  4. Loose or poor connection in the brake pedal switch circuit.
  5. Water or moisture damage affecting the brake pedal switch circuit.

Symptoms of P1572 2004 Nissan Altima Sedan

  1. Brake lights not illuminating when the brake pedal is pressed.
  2. Cruise control not engaging or disengaging properly.
  3. Difficulty shifting gears or inability to shift out of park.
  4. ABS or traction control warning lights illuminated on the dashboard.
  5. Vehicle may not start due to the transmission shift interlock being affected.

How to Fix P1572 2004 Nissan Altima Sedan

  1. Begin by locating the brake pedal switch, typically located near the top of the brake pedal arm.
  2. Inspect the wiring and connections for any damage, corrosion, or loose connections.
  3. Test the brake pedal switch using a multimeter to check for continuity when the brake pedal is pressed.
  4. If the brake pedal switch is faulty, replace it with a new one following the manufacturer's instructions.
  5. Clear the DTC using an OBD-II scanner and test the vehicle to ensure the issue has been resolved.

Cost to Fix P1572 2004 Nissan Altima Sedan

The typical repair costs for addressing a Brake Pedal Switch Circuit Malfunction can range from $100 to $300, including parts and labor. The cost may vary depending on the specific components that need to be replaced and the labor rates at the auto repair shop. It's advisable to check with local shops for a more accurate estimate based on your location and vehicle make and model. Keep in mind that diagnostic time and labor rates can vary, with rates typically ranging between $80 and $150 per hour.

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 2004 Nissan Altima Sedan Code

What does the OBDII code P1572 mean for a 2004 Nissan Altima Sedan?

P1572 indicates a malfunction in the brake pedal switch circuit, which can affect the vehicle's brake light operation and other systems relying on the brake pedal signal.

What symptoms might I experience if my 2004 Nissan Altima has a P1572 code?

Common symptoms include malfunctioning brake lights, issues with the cruise control system, and the illumination of the check engine light.

What could cause the P1572 code to appear in my Nissan Altima?

Possible causes include a faulty brake pedal switch, damaged wiring or connectors in the brake switch circuit, or issues with the vehicle's PCM (Powertrain Control Module).

How can I diagnose the P1572 code?

Start by visually inspecting the brake pedal switch and its wiring for any damage. Use a multimeter to test the switch's continuity and operation. If necessary, check the PCM for additional fault codes.

What repairs might be necessary for a P1572 code?

Repairs may involve replacing the brake pedal switch, repairing or replacing damaged wiring, or addressing issues with the PCM if it is malfunctioning.

Can I drive my 2004 Nissan Altima with a P1572 code?

While you can drive the vehicle, it's advisable to address the issue promptly, as it may affect safety features like the brake lights and cruise control.

How much does it typically cost to fix a P1572 code?

Repair costs can vary widely, but replacing the brake pedal switch usually ranges from $50 to $150, while more extensive wiring repairs could cost more.

Is the brake pedal switch easy to replace on a 2004 Nissan Altima?

Yes, replacing the brake pedal switch is generally a straightforward process that can be done with basic tools and some mechanical knowledge.

Will clearing the code P1572 fix the problem?

Clearing the code will not fix the underlying issue; it will only reset the check engine light. The root cause must be addressed to prevent the code from returning.

Discuss the causes and fixes for P1572 2004 Nissan Altima Sedan OBDII Code

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