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

Refer to DTC P0120  (See .

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P0121 Difference between voltage output of VTA1 and VTA2 deviates from the threshold for 2.0 seconds Throttle Position (TP) sensor (built into throttle body)