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Home >> Hyundai >> 2010 >> Azera GLS >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control - Body Control Module >> DTC B1901: Auto Light Out Of Range >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Check Voltage
  • Open or short in signal harness.
  • Faulty BCM
Enable Conditions
  • IGN 'ON' & Headlamp 'AUTO'
Threshold value
  • 4V< Output voltage <6V
Detecting time
  • 300ms
FAIL SAFE
  • -
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