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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Autonomous Emergency Braking (AEB) System Diagnosis (HEV) >> DTC C1616-88: C-CAN Bus Off >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring CAN messages
  1. Poor connection
  2. Power supply to each Module
  3. Open or short in AEB(SCC) Module communication line
  4. Resistors of gateway (Cluster, IGPM)
Enable Conditions
  • It has 2 seconds delay after ignition switch is on.
  • Battery voltage is between 9 volt and 16 volt.
Threshold Value
  • C-CAN Bus Off State
Diagnosis Time
  • 500 milliseconds
Fail Safe
  • SCC/AEB Disengagement/Shutdown
  • SCC/AEB Warning lamp turns 'ON'
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