P2124
Throttle/Pedal Position Sensor/Switch D Circuit Intermittent
P2124 is an OBD-II diagnostic trouble code meaning: Throttle/Pedal Position Sensor/Switch D Circuit Intermittent. Common causes: damage to the sensor wiring harness, oxidation of contacts in connectors. Estimated repair cost: $17–56.
Symptoms
- Unstable engine operation at idle
- Jerking when pressing the gas pedal
- Check Engine Light Illuminates
- Reduced engine power
- The car goes into emergency mode
Causes
- Damage to the sensor wiring harness
- Oxidation of contacts in connectors
- Gas pedal position sensor malfunction
- Circuit Grounding Problems
- ECU malfunction (rare)
How to Fix
- Check the condition of the sensor wiring harness and connectors
- Clean connector contacts from oxides
- Check the resistance of the gas pedal position sensor
- Replace the gas pedal position sensor if necessary
- Check and restore the integrity of the power supply and grounding circuits
Related codes
Error P2124 by Vehicle Brand
FAQ
What does the P2124 code mean?
P2124 is an OBD-II diagnostic trouble code that indicates: Throttle/Pedal Position Sensor/Switch D Circuit Intermittent
What causes a P2124 error code?
The most common causes of P2124 include: Damage to the sensor wiring harness; Oxidation of contacts in connectors; Gas pedal position sensor malfunction; Circuit Grounding Problems.
How do I fix a P2124 diagnostic trouble code?
To fix P2124: Check the condition of the sensor wiring harness and connectors. Clean connector contacts from oxides. Check the resistance of the gas pedal position sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2124?
Limited driving only, diagnose soon
How much does it cost to fix P2124?
The estimated repair cost for P2124 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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