AutoCodes – Infiniti – P1572 2003 Infiniti G35

P1572 2003 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 2003 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 3,778

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 30, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1572 2003 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 2003 Infiniti G35 - Brake Pedal Switch Circuit Malfunction - AutoCodes.com — P1572 2003 Infiniti G35 Code - Brake Pedal Switch Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P1572 2003 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 2003 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 2003 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 2003 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 2003 Infiniti G35 Code

1. What are the common symptoms of OBDII code P1572 in a 2003 Infiniti G35?

The common symptoms of code P1572 in a 2003 Infiniti G35 include the brake lights staying on, cruise control not working, and potentially difficulty shifting out of park.

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

Code P1572 indicates a malfunction in the brake pedal switch circuit, which can affect the operation of various vehicle systems related to brake pedal input.

3. What are the possible causes of OBDII code P1572 in a 2003 Infiniti G35?

Possible causes of code P1572 in a 2003 Infiniti G35 include a faulty brake pedal switch, damaged wiring or connectors in the circuit, or a problem with the brake control module.

4. How can I diagnose the Brake Pedal Switch Circuit Malfunction in my 2003 Infiniti G35?

To diagnose the issue, you can start by checking the brake pedal switch for proper operation, inspecting the wiring and connectors for any damage, and using an OBDII scanner to read the trouble codes.

5. Can I still drive my 2003 Infiniti G35 with OBDII code P1572 present?

It is not recommended to drive your vehicle with code P1572 active, as it can affect crucial systems like the brake lights and cruise control, potentially compromising safety and performance.

6. How do I repair OBDII code P1572 in my 2003 Infiniti G35?

Repairing code P1572 may involve replacing the faulty brake pedal switch, repairing damaged wiring or connectors, or seeking professional assistance to diagnose and fix the underlying issue.

7. Is it safe to reset the OBDII code P1572 in my 2003 Infiniti G35 without addressing the root cause?

Resetting the code without addressing the root cause may temporarily clear the warning light, but the underlying issue will persist, potentially leading to recurring problems with the brake pedal switch circuit.

8. Can a DIY enthusiast fix OBDII code P1572 in a 2003 Infiniti G35?

Depending on your technical skills and knowledge, you may be able to fix code P1572 yourself by following repair guides, but if you're unsure, it's best to consult a professional mechanic.

9. How much does it cost to repair OBDII code P1572 in a 2003 Infiniti G35?

The cost of repairing code P1572 can vary depending on the root cause of the issue, the parts needed for repair, and whether you choose to perform the repair yourself or seek professional help.

10. Can a malfunctioning brake pedal switch cause other OBDII codes to appear in a 2003 Infiniti G35?

Yes, a malfunctioning brake pedal switch can affect various vehicle systems, potentially triggering related OBDII codes in addition to P1572, so it's essential to address the issue promptly.