AutoCodes – Suzuki – P0571 Suzuki

P0571 Suzuki Code - Brake Switch Circuit

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: P0571 Suzuki indicates Brake Switch Circuit .
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 11,574

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 P0571 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 P0571 Suzuki - Brake Switch Circuit - AutoCodes.com — P0571 Suzuki Code - Brake Switch Circuit

What does this mean?

What are the Possible Causes of the DTC P0571 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 P0571 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 P0571 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 P0571 Suzuki Code

1. What does the OBDII code P0571 mean on a Suzuki?

The P0571 code indicates that there is a malfunction in the brake switch "A" circuit, suggesting that the signal transmitted by the brake switch to the vehicleâ€™s control modules is outside of the expected range.

2. What symptoms may I notice if my Suzuki has the P0571 code?

Symptoms can include the brake lights staying on continuously or not functioning at all, issues with shifting out of park for automatic transmissions, and possible effects on cruise control functionality where it might not engage or disengage correctly.

3. What are common causes of the P0571 code in a Suzuki?

Common causes include a faulty brake light switch, damaged wiring or connectors in the brake light circuit, blown fuses related to the brake light circuit, or problems with the brake light bulbs.

4. How can I fix the P0571 code on my Suzuki?

To fix the P0571 code, start by inspecting and replacing the brake light switch if it is defective. Also, check for and repair any damaged wires or poor connections, and replace any blown fuses. Ensure that all brake light bulbs are functioning correctly.

5. Is it safe to drive my Suzuki with the P0571 code?

While you might be able to drive with this code, it is not recommended as it involves crucial safety features. Issues with the brake lights or brake switch can lead to unsafe driving conditions and potentially fail to alert drivers behind you when you are braking.

6. How do I diagnose the P0571 code on a Suzuki?

Diagnosing the P0571 code involves using a scan tool to confirm the code and freeze frame data, visually inspecting the brake light switch and its circuitry for any obvious issues, and testing the brake switch with a multimeter. Additionally, checking the brake lights operation is crucial.

7. How urgent is it to address a P0571 code on a Suzuki?

It is fairly urgent to address a P0571 code because of the involvement with the vehicle's braking system functionality, which is critical for safe driving. Delaying repairs can lead to safety hazards and potentially more complex issues down the road.

8. Can a faulty brake switch affect other systems in my Suzuki?

Yes, a faulty brake switch can affect other systems such as the cruise control, which might fail to engage or disengage properly, and the transmission system, particularly in automatic vehicles where it might prevent shifting out of park.

9. What tools are needed to diagnose the P0571 code on a Suzuki?

The tools typically needed include a diagnostic scan tool to read the code, a multimeter for electrical testing, and basic hand tools to access and replace the brake switch or any related components.

10. Could the P0571 code on a Suzuki be triggered by an electrical issue elsewhere in the vehicle?

Yes, while the problem is often localized to the brake switch and its immediate wiring, broader electrical issues such as grounding problems or issues with the vehicle's electrical control unit (ECU) could also manifest as this code. Itâ€™s important to thoroughly examine all related systems and circuits.