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Home >> Genesis >> 2024 >> GV70 2.5T >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Integrated Led Headlamp Control Unit_LH Diagnosis >> DTC B1637-54: System Not Initialized >> DTC Information And Inspection >> DTC Description

DTC Description

Leveling system of ILCU is working properly when Automobile-high sensor is calibrated. Basically, calibration must be done before releasing the vehicle. When the worker replaces controller or head lamp, he/she should calibrate the vehicle again. AFS warning lamp will illuminate without calibration.