DTC Detection Logic

2013 Infiniti M56 SportSECTION 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
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.