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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Auto Headlamp Leveling System Diagnosis (Except HEV) >> DTC C1367: Internal Signal not Plausible >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Check time for no signal movement
  1. Height is out of permissible range (Sensor angle is out of normal range)
  2. Height linkage breakage or separation
  3. AHLDM
Enable Conditions
  • IG "ON"
Threshold Value
  • There is no signal change while the vehicle is driving at a speed above 30 km/h.
Detecting Time
  • 5 minutes.