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Home >> Genesis >> 2024 >> GV70 2.5T >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Integrated Led Headlamp Control Unit_LH Diagnosis >> DTC B2477-09: Fan Error >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Troubleshooting Condition Possible Cause
Main Action
  • Monitor the GDS
  1. Fault in powering part of FAN in head lamp controller
  2. Faulty FAN unit
Prerequisite Condition
  • Turn engine "ON"
Threshold Value
  • Poor powering to FAN
  • Invalid message is received from FAN
Diagnosis Time
  • 10 seconds
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