AutoCodes – Toyota – P0571 2015 Toyota RAV4

P0571 2015 Toyota RAV4 Code - Brake Switch 'A' Circuit

Quick Answer

When the brake pedal is depressed, the stop light switch assembly 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 2015 Toyota RAV4 indicates Brake Switch 'A' 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 457
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 02, 2022
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Code P0571 2015 Toyota RAV4 Description

When the brake pedal is depressed, the stop light switch assembly sends a signal to the Engine Control Module (ECM). When the ECM receives this signal, it cancels the cruise control. The fail-safe function operates to enable normal driving even if there is a malfunction in the stop light signal circuit. The cancellation condition occurs when voltage is applied to terminal STP. When the brake is applied, voltage is normally applied to the terminal STP of the ECM through the STOP fuse and the stop light switch assembly, and the ECM turns the cruise control system off. The Diagnostic Trouble Code (DTC) will be set when the ignition switch is turned ON and the dynamic radar cruise control system is operating, voltage of the STP terminal and that of the ST1- terminal of ECM are less than 1 V for approximately 0.5 seconds or more.
OBDII Code P0571 2015 Toyota RAV4 - Brake Switch 'A' Circuit - AutoCodes.com
P0571 2015 Toyota RAV4 Code - Brake Switch 'A' Circuit

What are the Possible Causes of the DTC P0571 2015 Toyota RAV4?

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

How to Fix the DTC P0571 2015 Toyota RAV4?

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 2015 Toyota RAV4 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 P0571 2015 Toyota RAV4 code?

Need more information on how to fix the P0571 2015 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the 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 P0571 2015 Toyota RAV4 Code

1. What is OBDII code P0571 in a 2015 Toyota RAV4?

The P0571 code indicates a problem in the Brake Switch 'A' Circuit of the vehicle.

2. What are the common symptoms of OBDII code P0571 in a 2015 Toyota RAV4?

Common symptoms include the brake lights staying on continuously, difficulty shifting out of park, and the cruise control not working.

3. What are the possible causes of OBDII code P0571 in a 2015 Toyota RAV4?

Potential causes of this code include a faulty brake light switch, damaged wiring or connectors in the circuit, or a problem with the brake control module.

4. How can I diagnose the OBDII code P0571 in my 2015 Toyota RAV4?

You can diagnose the P0571 code by checking the brake light switch operation, inspecting the wiring and connectors for damage, and using a diagnostic tool to scan for any related trouble codes.

5. Can I continue driving my 2015 Toyota RAV4 with OBDII code P0571?

It is not recommended to drive with the P0571 code present, as it can affect the vehicle's safety systems and lead to potentially dangerous situations on the road.

6. How can I repair OBDII code P0571 in my 2015 Toyota RAV4?

To repair the P0571 code, you may need to replace the brake light switch, repair any damaged wiring or connectors, or seek assistance from a professional mechanic for further diagnosis and repair.

7. Is it possible to reset OBDII code P0571 in a 2015 Toyota RAV4 without fixing the underlying issue?

While you can clear the code with a scan tool, it is crucial to address the root cause of the problem to prevent the code from reappearing and ensure the proper functioning of the brake system.

8. Can a DIY enthusiast fix OBDII code P0571 in a 2015 Toyota RAV4?

Depending on your skills and experience, you may be able to address the P0571 code by replacing the brake light switch or repairing simple wiring issues. However, complex diagnosis and repairs may require professional help.

9. How much does it cost to repair OBDII code P0571 in a 2015 Toyota RAV4?

The cost of repairing the P0571 code can vary depending on the underlying cause and whether you do the repairs yourself or seek assistance from a mechanic. Costs may include parts and labor.

10. Will OBDII code P0571 in a 2015 Toyota RAV4 affect the vehicle's performance?

While the P0571 code may not directly impact the vehicle's performance, it can affect safety features like the brake lights and cruise control, so it is essential to address the issue promptly.

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