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DTC Detection Logic

WARNING: This page is about a different car, the 2013 Infiniti FX37. However, it is still accessible from the selected car via links, so may be relevant.
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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