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Home >> Hyundai >> 2020 >> Tucson Value, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> 4WD Control Diagnosis >> DTC U1121: Lost Communication With Electric Stability Program Module >> DTC Information And Inspection >> DTC Description

DTC Description

U1121 sets when an ESC (ESP) signal is not input during CAN communication between the 4WD ECM and the ESC (ESP) module.