LEMON Manuals: Even more car manuals for everyone
Home >> Kia >> 2021 >> Niro Touring >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Autonomous Emergency Braking (AEB) System Diagnosis (HEV) >> DTC C1823-81: NAVI Invalid Signal For SCC >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring CAN messages
  • Faulty NAVI
  • Open or short in C-CAN communication line
Enable Condition
  • Ready (Ready signal received more than 2s)
  • CAN communication line in normal condition
  • Auxiliary battery voltage is between 9V and 16V
  • Operating SCC (FCA)
  • AVN is not updating, NAVI is functioning normally
Threshold Value
  • When it received abnormal invalid signal message from NAVI
Diagnosis Time
  • 0.5s
Fail Safe
  • SCC (FCA) Disengagement/Shutdown
  • SCC (FCA) Warning lamp turns ON