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Home >> Kia >> 2021 >> Niro Touring >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Autonomous Emergency Braking (AEB) System Diagnosis (HEV) >> DTC C1620-78: Alignment Failed >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring CAN messages
  • Faulty sensor alignment
  • Deformation of SCC (FCA) module bracket and vehicle frame
Enable Condition
  • Ignition "ON" (Stop Mode/Running Mode)
  • Vehicle speed is above 50 km/h (31 MPH) (Running Mode)
Threshold Value
  • Alignment process does not complete successfully (Stop Mode)
  • Alignment of SCC (FCA) sensor is abnormal
  • Vertical angle is above ±1.25 degree (Stop Mode)
  • Horizontal angle is above ±3 degree (Stop Mode/Running Mode)
Diagnosis Time
  • Immediately
Fail Safe
  • SCC (FCA) Disengagement/Shutdown
  • SCC (FCA) Warning lamp turns ON