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Home >> Infiniti >> 2021 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case (DTCS) >> All Mode AWD/4WD (Transfer Control Unit) >> DTC P1816: Transmission Range Switch >> DTC Description
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DTC Description

DTC

Display item

Malfunction detected condition

Possible cause

P1816

PNP SW/CIRC

Malfunction is detected in shift position 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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