Engine-CodesSubaru – P0724 Subaru

P0724 Subaru Code - Torque Converter Brake Switch 'B' Circuit High

Quick Answer

The P0724 diagnostic trouble code for Subaru vehicles indicates a problem with the Torque Converter Brake Switch 'B' Circuit High. Common causes include Faulty torque converter brake switch, Damaged wiring or connectors, Defective transmission control module (TCM). 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 Subaru indicates Torque Converter Brake Switch 'B' Circuit High.
Common causes
Common causes include Faulty torque converter brake switch, Damaged wiring or connectors, Defective transmission control module (TCM).
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0724 Subaru Description

The P0724 diagnostic trouble code for Subaru vehicles indicates a problem with the Torque Converter Brake Switch 'B' Circuit High. The torque converter brake switch is a crucial component of the vehicle's transmission system, responsible for controlling the locking and unlocking of the torque converter. When the switch detects a high voltage signal in its circuit, it triggers the P0724 code, indicating a malfunction that needs to be addressed.

OBDII Code P0724 Subaru - Torque Converter Brake Switch 'B' Circuit High
P0724 Subaru Code - Torque Converter Brake Switch 'B' Circuit High

Common Causes of P0724 Subaru

  1. Faulty torque converter brake switch
  2. Damaged wiring or connectors
  3. Defective transmission control module (TCM)
  4. Malfunctioning torque converter
  5. Corrosion or poor connections in the circuit

Symptoms of P0724 Subaru

  1. Erratic shifting patterns
  2. Harsh gear changes
  3. Transmission slippage
  4. Illuminated Check Engine Light
  5. Reduced fuel efficiency

How to Fix P0724 Subaru

  1. Use a diagnostic scanner to retrieve the fault code and verify the issue.
  2. Inspect the torque converter brake switch, wiring, and connectors for any signs of damage or corrosion.
  3. Test the torque converter brake switch with a multimeter to determine if it is functioning properly.
  4. Replace the faulty torque converter brake switch if necessary, and repair any damaged wiring or connectors.
  5. Clear the fault code from the vehicle's computer system and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0724 Subaru

The cost of repairing a P0724 code for a Subaru vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. Typically, the cost of replacing a torque converter brake switch can range from $100 to $300, including parts and labor. Additional costs may apply if wiring repairs or TCM replacement are required. It's important to consider the diagnosis time and labor rates at your local auto repair shop, as these can impact the overall repair costs. It's recommended to consult with a qualified mechanic for a more accurate estimate based on your vehicle's make and model.

When is the Code Detected?

The stop light switch does not turn off even once vehicle is driven.

Need more information about the P0724 Subaru code?

Need more information on how to fix the P0724 Subaru code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0724 Subaru code diagnosed by a professional: Find a repair shop in your area

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 P0724 Subaru Code

1. What are the common symptoms of OBDII code P0724 in a Subaru related to the Torque Converter Brake Switch 'B' Circuit High?

- Common symptoms include issues with the vehicle shifting gears, poor fuel economy, and the Check Engine Light being illuminated.

2. What can cause the Torque Converter Brake Switch 'B' Circuit High error code P0724 in a Subaru?

- Possible causes include a faulty torque converter brake switch, damaged wiring or connectors, or a malfunctioning transmission control module.

3. How serious is the P0724 OBDII code in a Subaru related to the Torque Converter Brake Switch 'B' Circuit High?

- While the vehicle may still be operable, ignoring this code can lead to transmission issues and potentially cause further damage over time.

4. Can I drive my Subaru with the P0724 error code present?

- It is not recommended to drive the vehicle with the P0724 code active, as it can result in poor performance and potential transmission problems.

5. How is the Torque Converter Brake Switch 'B' Circuit High code P0724 diagnosed in a Subaru?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the torque converter brake switch and related components, and performing a thorough inspection of the wiring.

6. Is it possible to reset the P0724 OBDII code in a Subaru related to the Torque Converter Brake Switch 'B' Circuit High?

- Resetting the code without addressing the underlying issue will not solve the problem. It's crucial to diagnose and repair the root cause to clear the code properly.

7. What are some repair tips for fixing the P0724 code in a Subaru?

- Repairing the torque converter brake switch, replacing damaged wiring, and ensuring proper connections can help resolve the P0724 error code.

8. Can a DIY enthusiast fix the P0724 error code in a Subaru themselves?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to address the P0724 code by replacing the torque converter brake switch or fixing wiring issues.

9. How much does it typically cost to repair the Torque Converter Brake Switch 'B' Circuit High error code in a Subaru?

- Repair costs can vary based on the extent of the problem and whether you choose to address it yourself or seek professional help. Costs may include parts and labor.

10. How can I prevent the P0724 OBDII code from appearing in my Subaru in the future?

- Regularly maintaining your vehicle, checking for any signs of transmission issues, and addressing any related warning lights promptly can help prevent the recurrence of the P0724 code.

Discuss the causes and fixes for P0724 Subaru OBDII Code

Code P0724 Subaru comments

No comments found for this page.