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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 76 (Auto Headlamp Leveling System Diagnosis (HEV)) >> DTC C1620: First Setup Not Completed >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • First Setup result monitoring
  1. Faulty ACTUATOR ADJUSTING
  2. Faulty AHLS ECU
Detecting mode
  • Engine "ON" and Head lamp "ON"
Threshold Value
  • When being not aware of the origin setting code input right after downloading parameter. (EEPROM Check-Sensor Calibration)
Detecting time
  • Immediately
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