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Home >> Toyota >> 2006 >> Land Cruiser >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (1 Of 3) >> 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  .

THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT RANGE/PERFORMANCE PROBLEM

DTC No. DTC Detection Condition Trouble Area
P0121 Difference between VTA1 and VTA2 voltage less than 0.8 V, or more than 1.6 V for 2 seconds
(1 trip detection logic)
  • Throttle Position (TP) sensor (built into throttle body)