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Home >> Infiniti >> 2011 >> QX56 RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Transfer Case (ATX90A)) >> DTC/Circuit Diagnosis >> DTC P1816: Parking/Neutral Position Switch >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different variant/trim than selected.
DTC DETECTION LOGIC

DTC Display item Malfunction detected condition Possible cause
P1816 PNP SW/CIRC Malfunction is detected in PNP switch signal that is output from TCM through CAN communication
  • Harness or connector (CAN communication line)
  • TCM

  • Internal malfunction of TCM
  • A/T shift selector error
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