Fault Code P2123
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2123
Throttle/Pedal Position Sensor/Switch 'D' Circuit High
This code indicates that the voltage signal from the Throttle/Pedal Position Sensor/Switch 'D' is unusually high. The PCM detects a voltage that is too high in the sensor's circuit.
Part Details
Part Name
Accelerator Pedal Position Sensor (APPS)
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪300 - ₪1200
Engine Location
Accelerator Pedal
Symptoms
- Uncontrolled vehicle acceleration
- High engine RPM
- Vehicle entering 'limp-mode'
- Check Engine Light on
Possible Causes
- 1Faulty Accelerator Pedal Position Sensor (APPS)
- 2Short to voltage in the sensor circuit
- 3Damaged wiring or loose connector
- 4Malfunctioning Engine Control Module (ECM/PCM)
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