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DTC P2121 Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance: Description

Refer to DTC P2120 .

DTC TROUBLE DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
P2121 Difference between VPA and VPA2 is less than 0.4 V, or more than 1.2 V for 0.5 seconds (1 trip detection logic)
  • Accelerator pedal position (APP) sensor
  • ECM