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Engine-Codes – Generic – P1724

P1724 Code - Automatic Transmission Control Relay Electrical

Quick Answer

The P1724 code indicates a problem with the automatic transmission control relay electrical circuit. Common causes include Faulty automatic transmission control relay, Corroded or loose electrical connections, Wiring harness damage. 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
P1724 indicates Automatic Transmission Control Relay Electrical.
Common causes
Common causes include Faulty automatic transmission control relay, Corroded or loose electrical connections, Wiring harness damage.
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 06, 2024
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Code P1724 Description

The P1724 code indicates a problem with the automatic transmission control relay electrical circuit. This relay is responsible for controlling the transmission's operation, including shifting gears and engaging the torque converter lockup. When this relay malfunctions, it can lead to issues with gear shifting, transmission slipping, and overall poor performance of the vehicle. If left unaddressed, it can potentially cause further damage to the transmission system and result in costly repairs.

OBDII Code P1724 - Automatic Transmission Control Relay Electrical
P1724 Code - Automatic Transmission Control Relay Electrical

Common Causes of P1724

  1. Faulty automatic transmission control relay
  2. Corroded or loose electrical connections
  3. Wiring harness damage
  4. Issues with the transmission control module
  5. Electrical system malfunctions

Symptoms of P1724

  1. Difficulty shifting gears
  2. Transmission slipping or jerking
  3. Delayed engagement when shifting
  4. Illumination of the Check Engine Light
  5. Reduced fuel efficiency

How to Fix P1724

  1. Begin by diagnosing the exact cause of the issue using a scan tool to retrieve the fault codes and inspecting the relay and related components.
  2. Replace the faulty automatic transmission control relay if it is determined to be the cause of the problem.
  3. Check and repair any corroded or loose electrical connections in the circuit.
  4. Inspect the wiring harness for damage and repair or replace any compromised wiring.
  5. Clear the fault codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1724

The cost of repairing the automatic transmission control relay electrical issue can vary depending on the specific cause of the problem and the labor rates in your area. Typically, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. It's recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model.

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Code P1724 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.

Frequently Asked Questions about P1724 Code

1. What are the common symptoms of OBDII code P1724 (Automatic Transmission Control Relay Electrical)?

The common symptoms of P1724 may include issues with shifting gears, delays in acceleration, and the transmission getting stuck in a single gear.

2. What are the possible causes of OBDII code P1724?

Possible causes of P1724 include a faulty automatic transmission control relay, damaged wiring or connectors in the transmission system, or a malfunctioning transmission control module.

3. How can I diagnose OBDII code P1724?

Diagnosing P1724 typically involves using a scan tool to retrieve the code, inspecting the automatic transmission control relay and related components for any visible damage, and testing the relay's electrical connections for proper voltage.

4. Can driving with OBDII code P1724 cause further damage to my vehicle?

Continued driving with code P1724 can potentially lead to further damage to the transmission system, affecting the overall performance and drivability of your vehicle. It is recommended to address the issue promptly.

5. How can I repair OBDII code P1724?

To repair P1724, you may need to replace the faulty automatic transmission control relay, repair any damaged wiring or connectors, or reprogram the transmission control module if necessary. It's advisable to consult a professional mechanic for accurate diagnosis and repair.

6. Is it safe to continue driving my vehicle with OBDII code P1724?

It is not recommended to drive your vehicle with an unresolved P1724 code, as it can lead to potential transmission issues and safety concerns on the road. It's best to address the problem promptly.

7. How much does it typically cost to repair OBDII code P1724?

The cost of repairing P1724 can vary depending on the specific cause of the issue, the extent of the repairs needed, and the labor rates in your area. It's advisable to get a few quotes from different mechanics to compare prices.

8. Can a DIY enthusiast fix OBDII code P1724 at home?

While some DIY enthusiasts with automotive repair experience may be able to address P1724 at home, it is a complex issue related to the transmission system. It's recommended to consult a professional mechanic for accurate diagnosis and repair.

9. Will resetting the OBDII system clear the P1724 code?

Resetting the OBDII system may temporarily clear the P1724 code, but if the underlying issue is not addressed, the code is likely to reappear once the vehicle is driven again. It's important to diagnose and repair the root cause of the problem.

10. How long does it typically take to repair OBDII code P1724?

The repair time for P1724 can vary depending on the specific cause of the issue, the availability of parts, and the workload of the mechanic. In general, it may take a few hours to a full day to diagnose and repair the problem.

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