Engine-CodesMitsubishi – P0124 Mitsubishi

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

Quick Answer

The P0124 diagnostic trouble code for Mitsubishi vehicles indicates an issue with the Throttle/Pedal Position Sensor/Switch A Circuit Intermittent. Common causes include Faulty throttle position sensor, Faulty accelerator pedal position sensor, Damaged wiring or connectors. 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 Mitsubishi indicates Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.
Common causes
Common causes include Faulty throttle position sensor, Faulty accelerator pedal position sensor, Damaged wiring or connectors.
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 10, 2024
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Code P0124 Mitsubishi Description

The P0124 diagnostic trouble code for Mitsubishi vehicles indicates an issue with the Throttle/Pedal Position Sensor/Switch A Circuit Intermittent. This means that the Engine Control Module (ECM) has detected a problem with the signal coming from the throttle position sensor or accelerator pedal position sensor. These sensors are crucial components in the engine management system as they provide feedback to the ECM about the position of the throttle or accelerator pedal, allowing the ECM to adjust fuel delivery and ignition timing accordingly.

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

Common Causes of P0124 Mitsubishi

  1. Faulty throttle position sensor
  2. Faulty accelerator pedal position sensor
  3. Damaged wiring or connectors
  4. Corrosion in the sensor connections
  5. ECM software issue

Symptoms of P0124 Mitsubishi

  1. Reduced engine performance or power
  2. Hesitation or surging during acceleration
  3. Check Engine Light illuminated on the dashboard
  4. Poor fuel efficiency
  5. Limp mode activated

How to Fix P0124 Mitsubishi

  1. Start by conducting a thorough inspection of the throttle position sensor, accelerator pedal position sensor, wiring harness, and connectors for any visible damage or corrosion.
  2. Use a multimeter to test the sensors for proper voltage output and resistance values according to the manufacturer's specifications.
  3. If a faulty sensor is identified, replace it with a new, OEM-quality part to ensure proper function.
  4. Check and repair any damaged wiring or connectors as needed.
  5. Clear the diagnostic trouble codes from the ECM and perform a test drive to confirm that the issue has been resolved.

Cost to Fix P0124 Mitsubishi

The cost of repairing a P0124 code on a Mitsubishi vehicle can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $150 to $400 for parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can vary significantly, so it's recommended to obtain quotes from multiple sources for a more accurate estimate. Additionally, factors such as the vehicle make and model, engine type, and location can also influence the overall repair costs.

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 Mitsubishi Code

What does the OBD-II code P0124 mean for a Mitsubishi?

P0124 indicates that the Throttle/Pedal Position Sensor/Switch A Circuit is experiencing intermittent operation, meaning the signal from the sensor is unreliable or erratic.

What are the common symptoms of a P0124 code in a Mitsubishi?

Symptoms may include engine hesitation, poor acceleration, stalling, inconsistent throttle response, and the illumination of the Check Engine Light.

What causes the P0124 code to appear on a Mitsubishi?

Common causes include a faulty throttle position sensor (TPS), damaged wiring or connectors in the TPS circuit, a failing pedal position sensor, or electrical issues such as loose connections or shorts.

Can I drive my Mitsubishi with a P0124 code?

While the car may still be drivable, it is not recommended as the erratic throttle response could lead to safety issues or further damage to engine components.

How do I diagnose a P0124 code in a Mitsubishi?

Diagnosis involves checking the throttle position sensor and pedal position sensor for proper operation, inspecting wiring and connectors for damage, and using a scan tool to monitor sensor data for irregularities.

How do I fix a P0124 code on my Mitsubishi?

Possible fixes include replacing the faulty throttle position sensor or pedal position sensor, repairing or replacing damaged wiring or connectors, and clearing the code with a scan tool after repairs.

What tools are needed to troubleshoot a P0124 code?

Tools may include a multimeter to test sensor circuits, a diagnostic scan tool to monitor live data and clear codes, and basic hand tools for sensor replacement if needed.

Can a dirty throttle body cause the P0124 code in a Mitsubishi?

Yes, a dirty or clogged throttle body can sometimes cause erratic sensor readings, which might trigger the P0124 code.

How much does it cost to repair a P0124 code on a Mitsubishi?

Costs vary depending on the issue, but replacing a throttle position sensor typically ranges from $150 to $300, including parts and labor.

Can a P0124 code be caused by a weak battery?

Yes, a weak or failing battery can cause intermittent voltage issues, which may affect the throttle or pedal position sensor circuits and trigger the P0124 code.

Discuss the causes and fixes for P0124 Mitsubishi OBDII Code

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