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Home >> Hyundai >> 2012 >> Genesis 5.0 R-Spec >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Head Lamp AFLS (Led) Diagnosis >> DTC B1639: LIN communication error DBL (Dynamic Bending Light) left >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Signal monitoring
  1. LIN communication circuit open
  2. Faulty in Headlamp
Enable Conditions
  • IG ON
Threshold Value
  • LIN communication (Left side) error of Swivel Actuator
Detecting time
  • 1sec.
Fail Safe
  • Leveling -2.8% down

    Before Swivelling initialization: stop at present status.

    After Swivelling initialization: move to 0° position
Check Lamp
  • AFLS OFF lamp blinks
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