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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Transfer Case >> Transfer Case (DTCS) >> All Mode AWD/4WD (AWD Control Unit) >> DTC P1804: AWD Control Unit >> DTC Diagnosis Procedure >> AWD models
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AWD models

  1. REPLACE AWD CONTROL UNIT 
    CAUTION: Replace AWD control unit when DTC "P1804" is detected simultaneously with other items.

    Replace AWD control unit. Refer to AWD CONTROL UNIT : Removal & Installation .