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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 152 (Forward Collision-Avoidance Assist System Diagnosis) >> DTC C1620-78: Alignment Failed >> DTC Information And Inspection >> DTC Setting Condition

DTC Setting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Troubleshooting Condition Possible Cause
Main action
  • Monitor the sensor alignment value
  1. Sensor Alignment Error
  2. FAC module installation (Horizontally or Vertically) Error (Check for bracket, vehicle deformation)
Prerequisite condition
  • Battery Voltage is between 9V and 16V.
  • Ignition has been on for over 2 sec.
Threshold Value
  • Reflector alignment is not initialized.
  • Reflector alignment ended not properly.
  • Horizontal angle error after reflector alignment.
  • Vertical angle error after reflector alignment.
  • Horizontal/vertical angle error while driving.
Diagnosis Time
  • At instant
MIL
  • FCA operation cancelled/inhibited
  • FCA warning lamp ON