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Home >> Nissan-Datsun >> 2018 >> Versa Note S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 3) >> DTC/Circuit Diagnosis >> DTC P2138: App Sensor >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P2138 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to DTC Logic .

DTC No.

Trouble diagnosis content

DTC detecting condition

Possible cause

P2138

Accelerator pedal position sensor circuit range/performance

Rationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2.
  • Harness or connector

    (APP sensor 1 and 2 circuit is open or shorted.)

    [Crankshaft position sensor (POS) circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

  • Accelerator pedal position sensor (APP sensor 1 and 2)
  • Crankshaft position sensor (POS)
  • Refrigerant pressure sensor
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