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

HINT:

This DTC relates to the Accelerator Pedal Position (APP) sensor.

Refer to DTC P2120  (See ).

DTC TROUBLE DETECTION CONDITION

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