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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Transfer Case >> Transfer Case (DTC/Circuit Diagnosis) >> DTC/Circuit Diagnosis >> DTC P1813: 4WD Mode Switch >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC Display item Malfunction detected condition Possible cause
P1813 4WD MODE SW Multiple signals received from 4WD shift switch are detected.
  • 4WD switch assembly
    • Internal malfunction of 4WD switch assembly
    • Malfunction of 4WD switch assembly circuit
  • Transfer control unit
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