AutoCodes – Suzuki – P0572 Suzuki

P0572 Suzuki Code - Brake Switch Circuit 1 Low Voltage

Quick Answer

When the brake pedal is depressed, the stop light switch sends a signal to the Engine Control Module (ECM). Common causes include Faulty Brake Switch, Misadjusted brake switch, Brake 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: P0572 Suzuki indicates Brake Switch Circuit 1 Low Voltage.
Common causes: Common causes include Faulty Brake Switch, Misadjusted brake switch, Brake 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 6,509

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 Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0572 Suzuki Description

When the brake pedal is depressed, the stop light switch sends a signal to the Engine Control Module (ECM). When the ECM receives this signal, it cancels the cruise control.

OBDII Code P0572 Suzuki - Brake Switch Circuit 1 Low Voltage - AutoCodes.com — P0572 Suzuki Code - Brake Switch Circuit 1 Low Voltage

What does this mean?

What are the Possible Causes of the DTC P0572 Suzuki?

Faulty Brake Switch
Misadjusted brake switch
Brake Switch harness is open or shorted
Brake Switch circuit poor electrical connection

How to Fix the DTC P0572 Suzuki?

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 P0572 Suzuki 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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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 P0572 Suzuki Code

1. What does OBDII code P0572 mean on a Suzuki?

P0572 indicates that the brake switch circuit 1 is experiencing low voltage, meaning the vehicle's computer has detected an issue in the brake pedal position sensor or switch.

2. What are common symptoms of code P0572 in a Suzuki?

Symptoms may include the brake lights not functioning properly, cruise control being disabled, or a warning light on the dashboard.

3. What causes code P0572 on a Suzuki?

Common causes include a faulty brake pedal switch, damaged or corroded wiring, a blown fuse, or a malfunctioning brake light bulb.

4. Can I drive my Suzuki with the P0572 code?

While the vehicle may still be drivable, it is unsafe to drive with malfunctioning brake lights or cruise control. Address the issue promptly.

5. How do I fix the P0572 code on my Suzuki?

Repair steps may include replacing the brake pedal switch, checking and repairing wiring, replacing blown fuses, or ensuring proper brake light bulb function.

6. How do I diagnose the cause of code P0572 on a Suzuki?

Use a multimeter to check for proper voltage at the brake switch, inspect the wiring for damage or corrosion, and test the brake light bulbs and fuses.

7. Is replacing the brake pedal switch the only solution for code P0572?

No, other possible fixes include repairing wiring issues, cleaning corroded connections, or replacing a faulty fuse or bulb.

8. Does code P0572 affect the cruise control system in a Suzuki?

Yes, a malfunction in the brake switch circuit can disable the cruise control system as it relies on the brake switch for proper operation.

9. How much does it cost to fix code P0572 on a Suzuki?

The cost can vary but typically ranges from $50 to $150 for parts and labor, depending on whether the issue is with the brake switch or associated wiring.

10. Can a low battery cause code P0572 on a Suzuki?

A low battery is unlikely to directly cause this code, but electrical issues stemming from low voltage could exacerbate existing problems in the brake switch circuit.