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DTC P0121 Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem: Description

Refer to DTC P0120 (See DTC P0120  ).

DTC DETECTION CONDITION AND TROUBLE AREA

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)