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Home >> Infiniti >> 2020 >> QX80 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (4 Of 5) >> Engine (ECM) >> DTC P0850: PNP Switch >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0850

P-N POS SW/CIRCUIT

(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