AutoCodes – Generic – P1572

P1572 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 Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P1572 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
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code Popularity 35,464
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 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 - Brake Pedal Switch Circuit Malfunction - AutoCodes.com
P1572 Code - Brake Pedal Switch Circuit Malfunction

What are the Possible Causes of the DTC P1572?

  • 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?

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 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.

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Information for Specific Makes

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 Code

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