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Home >> Genesis >> 2017 >> G80 3.8, AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> 4WD Control Diagnosis >> DTC U0121: Lost Communication With Anti-Lock Brake System (ABS) Control Module >> DTC Information >> DTC Description

DTC Description

The 4WD ECU causes Code U0121 when no ABS control module signal is entered during CAN communication with the ABS control module.