AutoCodesJeep – P0571 Jeep

P0571 Jeep Code - Brake Switch 1 Performance

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 Jeep indicates Brake Switch 1 Performance.
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 2,362
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 14, 2022
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Code P0571 Jeep 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. The P0571 code is set when the stop light switch does not turn off even once the vehicle is driven.
OBDII Code P0571 Jeep - Brake Switch 1 Performance - AutoCodes.com
P0571 Jeep Code - Brake Switch 1 Performance

What are the Possible Causes of the DTC P0571 Jeep?

  • 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 Jeep?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0571 Jeep 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 Jeep Code

1. What does OBDII code P0571 mean for a Jeep?

P0571 indicates a performance issue with the brake switch circuit, often related to the brake switch not functioning correctly.

2. What are the symptoms of code P0571 in a Jeep?

Symptoms may include the cruise control not working, difficulty shifting out of park, or the brake lights failing to illuminate.

3. What causes the P0571 code on a Jeep?

Common causes include a faulty brake switch, damaged wiring or connectors, misaligned brake pedal, or issues with the brake light circuit.

4. Can I drive my Jeep with code P0571 active?

While the vehicle may still be drivable, safety features like brake lights and cruise control may not work properly, creating potential hazards.

5. How do I diagnose the P0571 code in a Jeep?

Inspect the brake switch for damage, check the wiring and connectors for corrosion or wear, and use a multimeter to test continuity in the brake light circuit.

6. How do I fix code P0571 on my Jeep?

Possible fixes include replacing the faulty brake switch, repairing damaged wiring, cleaning corroded connectors, or adjusting the brake pedal position.

7. Does the P0571 code affect my Jeep’s performance?

It typically does not affect engine performance but can disable features like cruise control and compromise brake light functionality.

8. How much does it cost to repair code P0571 on a Jeep?

Repair costs vary but replacing a brake switch typically ranges from $50 to $150, plus additional labor costs if wiring or connectors need repair.

9. Can a faulty brake switch trigger other codes on a Jeep?

Yes, a faulty brake switch may cause codes related to cruise control or transmission issues, such as difficulty shifting out of park.

10. How can I prevent the P0571 code from occurring again?

Regularly inspect the brake switch, wiring, and connectors for damage or wear, and ensure the brake pedal is properly aligned.

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