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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Transfer Case (DTC/Circuit Diagnosis) (Except Hybrid)) >> DTC/Circuit Diagnosis >> DTC P1809: Transfer Control Unit >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

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DTC

Display item

Malfunction detected condition

Possible cause

P1809

CONTROL UNIT 4

Malfunction has occurred inside AWD Control Unit.

AD converter system of transfer Control Unit is malfunctioning.