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Home >> Lexus >> 2009 >> GX 470 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control (SFI) System (Diagnostic Codes (P050A-P2A00) & Circuit Tests) >> SFI System >> DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance >> Description

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 DTC P2120. Refer to DESCRIPTION .

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