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DTC P2121: Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance [06/2014 - 10/2017]: Description

Refer to DTC P2120.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory
P2121 Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance Either of the following conditions is met for 0.5 seconds (1 trip detection logic):
  1. Difference between VPA and VPA2 is less than 0.4 V, or higher than 1.2 V. (learned value of accelerator off position)
  2. Difference between VPA and VPA2 is greater than or equal to the specified value.
  • Accelerator pedal sensor assembly
  • ECM
 Comes on DTC stored
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