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Home >> Genesis >> 2024 >> GV70 2.5T >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Integrated Led Headlamp Control Unit_LH Diagnosis >> DTC B1621-01: ECU Hardware >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • Monitor the GDS
  1. Internal headlamp module (ILCU) (Micom element) is malfunctioning
Prerequisite Condition
  • Turn ignition switch ON
Threshold Value
  • Internal hardware of controller is malfunctioning
Diagnosis Time
  • Immediately
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