Engine-CodesHyundai – P1724 Hyundai

P1724 Hyundai Code - Automatic Transmission Control Relay Electrical

Quick Answer

The P1724 Hyundai diagnostic trouble code (DTC) refers to an issue with the Automatic Transmission Control Relay Electrical system. Common causes include Faulty automatic transmission control relay, Wiring issues or shorts in the electrical circuit, Malfunctioning transmission control module. 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 Hyundai indicates Automatic Transmission Control Relay Electrical.
Common causes
Common causes include Faulty automatic transmission control relay, Wiring issues or shorts in the electrical circuit, Malfunctioning transmission control module.
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 07, 2024
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Code P1724 Hyundai Description

The P1724 Hyundai diagnostic trouble code (DTC) refers to an issue with the Automatic Transmission Control Relay Electrical system. This code indicates that there is a malfunction in the electrical circuit related to the automatic transmission control relay. The automatic transmission control relay plays a crucial role in the proper functioning of the transmission system in a Hyundai vehicle.

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

Common Causes of P1724 Hyundai

  1. Faulty automatic transmission control relay
  2. Wiring issues or shorts in the electrical circuit
  3. Malfunctioning transmission control module
  4. Corrosion or loose connections in the relay circuit
  5. Water damage or exposure to moisture affecting the relay

Symptoms of P1724 Hyundai

  1. Rough or delayed shifting
  2. Stuck transmission in a particular gear
  3. Poor acceleration
  4. Intermittent or complete loss of power

How to Fix P1724 Hyundai

  1. Begin by inspecting the automatic transmission control relay and the surrounding wiring for any visible damage or corrosion.
  2. Test the relay using a multimeter to check for continuity and proper function. Replace the relay if it fails the test.
  3. Check the wiring harness for any shorts or breaks and repair or replace as necessary.
  4. Inspect the transmission control module for any signs of damage or malfunction and replace if needed.
  5. Clear the fault codes using a diagnostic scanner and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1724 Hyundai

The cost of repairing the P1724 Hyundai code can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the parts for this repair, including a new relay and wiring components, can range from $50 to $200. Labor costs at an auto repair shop can add an additional $100 to $300, bringing the total repair cost to around $150 to $500. It's important to note that labor rates can vary, so it's advisable to check with local repair shops for a more accurate estimate.

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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 P1724 Hyundai Code

1. What does the OBDII code P1724 mean on a Hyundai?

P1724 indicates an issue with the Automatic Transmission Control Relay Electrical circuit, which can affect the operation of the transmission control module.

2. What are common symptoms of the P1724 code in a Hyundai?

Symptoms may include difficulty shifting gears, transmission stuck in limp mode, erratic transmission behavior, or the Check Engine Light being illuminated.

3. What causes the P1724 code to appear in a Hyundai?

Common causes include a faulty automatic transmission control relay, damaged wiring or connectors, or a malfunctioning transmission control module (TCM).

4. Can I still drive my Hyundai with a P1724 code?

While it may be possible to drive, the transmission may not operate correctly, potentially causing further damage. It’s best to address the issue promptly.

5. How is the P1724 code diagnosed in a Hyundai?

A mechanic will use a scan tool to verify the code, inspect the relay, wiring, and connectors, and perform electrical tests to pinpoint the fault.

6. How do I fix the P1724 code in my Hyundai?

Repairs may include replacing the faulty relay, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the TCM if necessary.

7. Is the P1724 code specific to Hyundai vehicles?

While the code may appear on other vehicles, the troubleshooting steps and components affected can vary, so Hyundai-specific diagnostics are important.

8. How much does it cost to fix the P1724 code on a Hyundai?

Repair costs depend on the root cause but typically range from $100 to $500, including parts and labor, with relay replacement being on the lower end.

9. Can a dead battery cause the P1724 code in a Hyundai?

A weak or dead battery may cause electrical issues, but the P1724 code is more likely due to specific problems with the control relay or related circuits.

10. Does the P1724 code require transmission replacement on a Hyundai?

Not usually. The code typically points to electrical issues, so replacing the transmission is rarely necessary unless severe damage has occurred.

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