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DTC P2109 [LF]: Notes

DTC P2109 (LF) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P2109 TP sensor minimum stop range/performance problem
DETECTION CONDITION 
  • The PCM monitors the minimum TP when the closed TP learning is completed. If the TP is less than 6.03%  or more than 18.7%  , the PCM determines that there is a TP sensor minimum stop range/performance problem.

Diagnostic support note 
  • This is a continuous monitor (CCM).
  • The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA (Mode 2/Mode 12) is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • Throttle valve actuator malfunction
    • Throttle valve malfunction
  • PCM malfunction
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