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Engine-Codes – Generic – P0724

P0724 Code - Brake Switch 'B' Circuit High

Quick Answer

The diagnostic trouble code P0724 indicates a problem with the Brake Switch 'B' Circuit High in the vehicle. Common causes include Faulty brake switch, Wiring issues or shorts in the brake switch circuit, Corrosion or poor connection at the brake switch terminals. 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
P0724 indicates Brake Switch 'B' Circuit High.
Common causes
Common causes include Faulty brake switch, Wiring issues or shorts in the brake switch circuit, Corrosion or poor connection at the brake switch terminals.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code P0724 Description

The diagnostic trouble code P0724 indicates a problem with the Brake Switch 'B' Circuit High in the vehicle. The brake switch is a crucial component that communicates with the vehicle's onboard computer to indicate when the brake pedal is being pressed. This information is used by various systems in the vehicle, such as the transmission control module, cruise control, and brake lights.

OBDII Code P0724 - Brake Switch 'B' Circuit High
P0724 Code - Brake Switch 'B' Circuit High

Common Causes of P0724

  1. Faulty brake switch
  2. Wiring issues or shorts in the brake switch circuit
  3. Corrosion or poor connection at the brake switch terminals
  4. Issues with the transmission control module
  5. Electrical problems in the vehicle's system

Symptoms of P0724

  1. Check Engine Light illuminated on the dashboard
  2. Erratic shifting patterns
  3. Cruise control not engaging properly
  4. Brake lights not working when the brake pedal is pressed

How to Fix P0724

  1. Begin by diagnosing the issue using a scan tool to confirm the P0724 code and pinpoint the exact cause.
  2. Inspect the brake switch for any visible damage or signs of malfunction. Replace the brake switch if necessary.
  3. Check the wiring and connections in the brake switch circuit for any faults. Repair or replace damaged wiring as needed.
  4. Clear the trouble code from the vehicle's computer using the scan tool.
  5. Test drive the vehicle to ensure the issue has been resolved and that all systems are functioning correctly.

Cost to Fix P0724

The typical repair costs for addressing the Brake Switch 'B' Circuit High code can vary depending on the specific cause of the issue and the vehicle's make and model. On average, the parts for a new brake switch can range from $20 to $50, while labor costs can range from $80 to $150 per hour. Overall, the total repair cost for this issue may range from $100 to $300. It's recommended to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on your vehicle's requirements.

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Code P0724 Information for Specific Makes

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.

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