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Home >> Genesis >> 2024 >> GV70 2.5T >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Integrated Led Headlamp Control Unit_LH Diagnosis >> DTC B1622-48: ECU Software >> DTC Information And Inspection >> Inspection Guide 2

Inspection Guide 2

  1. Monitor the lamp illumination, adjusting multifunction switch.
  2. If software malfunctions, illuminate two low-beam module in upper side, regardless of multi-functional operation.
    • Reset the power, if there the module software is malfunctioning.

      (Trunk battery - Remover the battery terminal wire, and reconnect it.)

  3. If the internal memory element in controller is malfunctioning, turn off the lamp, regardless of multi-functional operation.
    • If the memory element malfunctions, replace head lamp controller (ILCU) and go to the "Verification of Vehicle Repair".
  4. If the software operates properly, the function that represents multi-functional operation result will illuminate.