AutoCodes – Mitsubishi – P0124 Mitsubishi

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

Quick Answer

The Throttle Position Sensor (TPS) responds to the accelerator pedal movement. Common causes include Faulty throttle position sensor, Throttle position sensor harness is open or shorted, Throttle position sensor circuit poor electrical connection. 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, Throttle position sensor harness is open or shorted, Throttle position sensor circuit poor electrical connection.
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.

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Code Popularity 5,573

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0124 Mitsubishi Description

The Throttle Position Sensor (TPS) responds to the accelerator pedal movement. This sensor is a kind of potentiometer which transforms the throttle position into output voltage, and emits the voltage signal to the Engine Control Module (ECM). In addition, the sensor detects the opening and closing speed of the throttle valve and feeds the voltage signal to the ECM.
Idle position of the throttle valve is determined by the ECM receiving the signal from the throttle position sensor. This sensor controls engine operation such as fuel cut. On the other hand, the Wide open and closed throttle position switch, which is built into the throttle position sensor unit, is not used for engine control.

OBDII Code P0124 Mitsubishi - Throttle/Pedal Position Sensor/Switch A Circuit Intermittent - AutoCodes.com — P0124 Mitsubishi Code - Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What does this mean?

What are the Possible Causes of the DTC P0124 Mitsubishi?

Faulty throttle position sensor.
Throttle position sensor harness is open or shorted
Throttle position sensor circuit poor electrical connection

How to Fix the DTC P0124 Mitsubishi?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0124 Mitsubishi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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.