Fault Code P2129
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2129
Throttle/Pedal Position Sensor/Switch 'E' / 'F' Voltage Correlation
This code indicates a mismatch in the voltage signals between the Throttle/Pedal Position Sensors/Switches 'E' and 'F'. The PCM detects that the signals from the two sensors are not correlating as expected.
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
- Erratic or absent acceleration
- Vehicle entering 'limp-mode'
- Engine stalling
- Check Engine Light on
Possible Causes
- 1Faulty Accelerator Pedal Position Sensor (APPS) (one or more channels)
- 2Damaged wiring or loose connectors
- 3Internal malfunction of the Engine Control Module (ECM/PCM)
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