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Engine-Codes – Hyundai – P0124 Hyundai

P0124 Hyundai Code - Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

Quick Answer

The P0124 code for Hyundai vehicles indicates an issue with the Throttle/Pedal Position Sensor/Switch A Circuit being intermittent. Common causes include Faulty throttle position sensor, Damaged wiring or connectors related to the TPS, Issues with the throttle body. 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
P0124 Hyundai indicates Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.
Common causes
Common causes include Faulty throttle position sensor, Damaged wiring or connectors related to the TPS, Issues with the throttle body.
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 11, 2024
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Code P0124 Hyundai Description

The P0124 code for Hyundai vehicles indicates an issue with the Throttle/Pedal Position Sensor/Switch A Circuit being intermittent. The throttle position sensor (TPS) is a crucial component that monitors the position of the throttle valve in the engine. It communicates with the engine control module (ECM) to determine the correct air-fuel mixture for optimal engine performance. When this sensor malfunctions or sends intermittent signals, it can lead to a variety of performance issues and potentially cause long-term damage to the vehicle's systems.

OBDII Code P0124 Hyundai - Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
P0124 Hyundai Code - Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

Common Causes of P0124 Hyundai

  1. Faulty throttle position sensor
  2. Damaged wiring or connectors related to the TPS
  3. Issues with the throttle body
  4. Malfunctioning ECM
  5. Electrical interference or corrosion in the circuit

Symptoms of P0124 Hyundai

  1. Hesitation or jerking during acceleration
  2. Engine stalling or rough idling
  3. Reduced fuel efficiency
  4. Lack of power when accelerating
  5. Illumination of the check engine light

How to Fix P0124 Hyundai

  1. Begin by conducting a thorough diagnostic scan to confirm the P0124 code and pinpoint the exact cause of the issue.
  2. Inspect the wiring and connectors associated with the throttle position sensor for any damage or corrosion. Repair or replace any faulty components.
  3. Test the throttle position sensor using a multimeter to check for proper voltage and resistance. Replace the sensor if it is not functioning within the specified parameters.
  4. Clean the throttle body to ensure smooth operation and prevent any potential obstructions that could affect sensor readings.
  5. Clear the diagnostic trouble codes, reset the ECM, and test drive the vehicle to verify that the issue has been resolved.

Cost to Fix P0124 Hyundai

The typical cost to repair a throttle position sensor issue like the P0124 code can range from $150 to $300, including parts and labor. However, the specific costs can vary depending on the location, vehicle make and model, and the extent of the repair needed. Diagnostic time and labor rates at auto repair shops can fluctuate, with hourly rates commonly falling between $80 and $150. It is recommended to inquire about local rates for a more accurate estimate before proceeding with the repair.

When is the Code Detected?

An intermittent voltage from the TP sensor is sent to ECM.

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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 P0124 Hyundai Code

1. What are the common symptoms of OBDII code P0124 in a Hyundai?

- Common symptoms include intermittent stalling, rough idling, lack of power, and issues with acceleration responsiveness.

2. What can cause the OBDII code P0124 in a Hyundai?

- The code P0124 is typically triggered by a faulty throttle position sensor, a damaged wiring harness, or a poor electrical connection.

3. How can I diagnose the cause of OBDII code P0124 in my Hyundai?

- To diagnose the issue, you can use a diagnostic scanner to read the code, visually inspect the throttle position sensor and associated wiring, and perform voltage tests to check for proper sensor operation.

4. Can I continue to drive my Hyundai with OBDII code P0124?

- It is not recommended to continue driving your Hyundai with the P0124 code present, as it can lead to further engine performance issues and potential safety hazards.

5. How can I repair OBDII code P0124 in my Hyundai?

- Repairing the P0124 code typically involves replacing the throttle position sensor, repairing or replacing damaged wiring, and ensuring all connections are secure.

6. Is it possible to reset the OBDII code P0124 in my Hyundai without fixing the underlying issue?

- While you can clear the code temporarily, it is important to address the root cause of the problem to prevent the code from reappearing and causing further issues.

7. How much does it cost to repair OBDII code P0124 in a Hyundai?

- The cost of repairing the P0124 code can vary depending on the specific issue and labor rates, but it typically ranges from $150 to $400 for parts and labor.

8. Can a DIY enthusiast fix OBDII code P0124 in a Hyundai?

- If you have the necessary tools and experience working on vehicles, you may be able to replace the throttle position sensor yourself. However, it is recommended to consult a professional if you are unsure.

9. Will OBDII code P0124 cause my Hyundai to fail emissions testing?

- Yes, the P0124 code can cause your Hyundai to fail emissions testing, as it indicates a problem with the throttle position sensor, which is essential for proper engine performance.

10. How long does it take to repair OBDII code P0124 in a Hyundai?

- The repair time for the P0124 code can vary based on the specific issue and the availability of parts. In general, it can take anywhere from 1 to 3 hours to complete the repair.

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