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DTC P2135 [LF]: Notes

DTC P2135 (LF) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P2135 TP sensor No. 1/No. 2 voltage correlation problem
DETECTION CONDITION 
  • The PCM compares the input voltage from TP sensor No. 1 with the input voltage from TP sensor No. 2 when the engine is running. If the difference is more than the specification, the PCM determines that there is a TP sensor No. 1/No. 2 voltage correlation 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 body connector or terminals malfunction
  • PCM connector or terminals malfunction
  • TP sensor No. 1/No. 2 malfunction
  • PCM malfunction
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