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Home >> Mazda >> 2013 >> 6 i Touring Plus >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System MZR 2.5] >> DTC P2138:00 >> Notes
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DTC P2138:00: Notes

DTC P2138:00 APP sensor No.1/No.2 voltage correlation problem
DETECTION CONDITION 
  • The PCM compares the input voltage from APP sensor No.1 with the input voltage from APP sensor No.2 when the engine is running. If the difference is more than the specification, the PCM determines that there is an APP sensor No.1/No.2 angle 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)/Snapshot data is available.
  • The DTC is stored in the PCM memory.
POSSIBLE CAUSE 
  • APP sensor connector or terminal malfunction
  • APP sensor No.1 malfunction
  • APP sensor No.2 malfunction
  • PCM connector or terminal malfunction
  • PCM malfunction