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Home >> Infiniti >> 2017 >> QX70 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P0850: PNP Switch >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. Trouble Diagnosis Name DTC Detecting Condition Possible Cause
P0850 Park/neutral position Switch The signal of the park/neutral position (PNP) signal does not change during driving after the engine is started.
  • Harness or connectors

    [The park/neutral position (PNP) signal circuit is open or shorted.]

  • TCM
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