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DTC P2126 [L3 With TC]: Notes

DTC P2126 [L3 WITH TC] DETECTION CONDITION AND POSSIBLE CAUSE

DTC P2126 Accelerator pedal position (APP) sensor No. 2 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).
  • The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.
  • PENDING CODE is available if the PCM detects the above malfunction condition.
  • FREEZE FRAME DATA is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • APP sensor No. 2 malfunction
  • PCM malfunction
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