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DTC P2126: Notes

DTC P2126 [L3] DETECTION CONDITIONS AND POSSIBLE CAUSES

DTC P2126 Accelerator pedal position (APP) sensor No. 2 circuit range/performance problem
DETECTION CONDITION 
  • The PCM monitors the APP sensor duty signal. If the input signal (duty signal) is too high or too low than the set value, or the input signal intervals are too short or too long, the PCM determines that the APP sensor No. 2 has a malfunction.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA (Mode 2/Mode12) is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • APP sensor No. 2 malfunction
  • PCM malfunction
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