AutoCodes – Toyota – P0571 2018 Toyota RAV4

P0571 2018 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 2018 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 544

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 Sep 02, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0571 2018 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 2018 Toyota RAV4 - Brake Switch 'A' Circuit - AutoCodes.com — P0571 2018 Toyota RAV4 Code - Brake Switch 'A' Circuit

What does this mean?

What are the Possible Causes of the DTC P0571 2018 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 2018 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 2018 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 2018 Toyota RAV4 code?

Need more information on how to fix the P0571 2018 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 2018 Toyota RAV4 Code

1. What does OBDII code P0571 mean for a 2018 Toyota RAV4?

The P0571 code indicates a problem with the Brake Switch 'A' Circuit in the vehicle's brake light switch.

2. What are the common symptoms of a P0571 OBDII code in a 2018 Toyota RAV4?

Common symptoms include non-functioning brake lights, cruise control not working, and the inability to shift out of park.

3. What are the possible causes of a P0571 OBDII code in a 2018 Toyota RAV4?

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

4. How can I diagnose a P0571 OBDII code in my 2018 Toyota RAV4?

Diagnosing a P0571 code involves checking the brake light switch for proper operation, inspecting the wiring and connectors for damage, and testing the brake control module.

5. Can I continue driving my 2018 Toyota RAV4 with a P0571 OBDII code?

It is not recommended to drive your vehicle with a P0571 code, as it can affect the brake lights and other critical safety systems.

6. How can I repair a P0571 OBDII code in my 2018 Toyota RAV4?

Repairing a P0571 code typically involves replacing the brake light switch, repairing damaged wiring or connectors, or addressing any issues with the brake control module.

7. Is it possible to reset the P0571 OBDII code in a 2018 Toyota RAV4?

Resetting the code may temporarily turn off the check engine light, but it is crucial to address the underlying issue causing the P0571 code to prevent it from reoccurring.

8. Are there any DIY tips for fixing a P0571 OBDII code in a 2018 Toyota RAV4?

If you have experience with automotive repairs, you may be able to replace the brake light switch yourself. However, it is recommended to consult a professional for accurate diagnosis and repair.

9. How much does it cost to fix a P0571 OBDII code in a 2018 Toyota RAV4?

The cost of fixing a P0571 code can vary depending on the cause of the issue and whether you perform the repair yourself or take your vehicle to a mechanic. Costs typically include parts and labor.

10. How long does it take to repair a P0571 OBDII code in a 2018 Toyota RAV4?

The repair time for a P0571 code can vary based on the specific cause of the issue and the complexity of the repair. It is best to consult with a professional for an accurate estimate of repair time.