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Home >> Lexus >> 2007 >> GX 470 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0657 - P2A03 >> DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance >> Description
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DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance: Description

HINT:

This DTC relates to the Accelerator Pedal Position (APP) sensor.

Refer to DESCRIPTION  .

DTC DETECTION CONDITION TABLE

DTC No. DTC Detection Condition Trouble Area
P2121 Conditions (a) and (b) continue for 0.5 seconds:
  1. Difference between VPA1 and VPA2 deviates from the standard
  2. IDL is OFF
  • APP sensor circuit
  • APP sensor
  • ECM