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Home >> Lexus >> 2009 >> LX 570 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control (Diagnostic Codes (P0010-P0451) >> SFI System >> DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem >> Description
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DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem: Description

Refer to DTC P0120. Refer to DESCRIPTION .

DTC Code DTC Detection Condition Trouble Area
P0121 The difference between the VTA1 and VTA2 voltages is below 0.8 V, or higher than 1.6 V for 2 seconds (1 trip detection logic). Throttle Position (TP) sensor (built into throttle body)