AutoCodes – Infiniti – P1572 2005 Infiniti G35

P1572 2005 Infiniti G35 Code - Brake Pedal Switch Circuit Malfunction

Quick Answer

When the brake pedal is depressed, Automatic Speed Control Device (ASCD) brake switch is turned OFF and stop lamp switch is turned ON. Common causes include Faulty Brake Pedal Switch, Faulty stop lamp switch, Brake Pedal Switch harness is open or shorted. 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 2005 Infiniti G35 indicates Brake Pedal Switch Circuit Malfunction.
Common causes
Common causes include Faulty Brake Pedal Switch, Faulty stop lamp switch, Brake Pedal Switch harness is open or shorted.
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.
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Code Popularity 3,365
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 30, 2019
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Code P1572 2005 Infiniti G35 Description

When the brake pedal is depressed, Automatic Speed Control Device (ASCD) brake switch is turned OFF and stop lamp switch is turned ON. The Engine Control Module (ECM) detects the state of the brake pedal by this input of two kinds (ON/OFF signal).
OBDII Code P1572 2005 Infiniti G35 - Brake Pedal Switch Circuit Malfunction - AutoCodes.com
P1572 2005 Infiniti G35 Code - Brake Pedal Switch Circuit Malfunction

What are the Possible Causes of the DTC P1572 2005 Infiniti G35?

  • Faulty Brake Pedal Switch
  • Faulty stop lamp switch
  • Brake Pedal Switch harness is open or shorted
  • Brake Pedal Switch circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P1572 2005 Infiniti G35?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1572 2005 Infiniti G35 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1572 2005 Infiniti G35 code?

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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 2005 Infiniti G35 Code

What does the OBDII code P1572 indicate for a 2005 Infiniti G35?

The P1572 code indicates a malfunction in the brake pedal switch circuit, which can affect various systems, including the cruise control and stability control.

What are common symptoms associated with the P1572 code?

Common symptoms include the cruise control not functioning, the brake lights staying on, or the brake warning light illuminating on the dashboard.

What could cause the P1572 code to trigger?

Causes may include a faulty brake pedal switch, damaged wiring or connectors in the brake switch circuit, or issues with the vehicle's electronic control unit (ECU).

How can I diagnose the issue related to the P1572 code?

To diagnose the issue, check the brake pedal switch for proper operation, inspect the wiring and connectors for damage, and use a multimeter to test the circuit for continuity.

What repair steps can be taken to resolve the P1572 code?

Repair steps may include replacing the brake pedal switch, repairing any damaged wiring or connectors, or reprogramming the ECU if necessary.

Can I drive my 2005 Infiniti G35 with the P1572 code?

While it is possible to drive the vehicle, it is not recommended as it may affect safety features like cruise control and could lead to further electrical issues.

Will resetting the code clear the problem permanently?

Resetting the code may clear the warning light temporarily, but if the underlying issue is not fixed, the code will likely return.

How much does it typically cost to repair the P1572 code?

Repair costs can vary widely, but replacing the brake pedal switch generally ranges from $50 to $200, depending on labor and parts.

Is the P1572 code a serious issue that needs immediate attention?

Yes, the P1572 code indicates a malfunction that can affect critical vehicle functions, so it is advisable to address it as soon as possible for safe operation.

Discuss the causes and fixes for P1572 2005 Infiniti G35 OBDII Code

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