LEMON Manuals: Even more car manuals for everyone
Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Autonomous Emergency Braking (AEB) System Diagnosis (HEV) >> DTC C1742-81: Variant Error - ESC (Check ESC) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring CAN messages
  1. Variant coding error
  2. Faulty ESP(ESC) Module
  3. Faulty AEB(SCC) Module
Enable Conditions
  • Engine run (engine run at least for 2 seconds)
  • Battery voltage is between 9 volt and 16 volt
  • No CAN Bus off
Threshold Value
  • When it receives CAN message which SCC System is not applicable from ESP(ESC).
Diagnosis Time
  • 500 milliseconds
Fail Safe
  • SCC/AEB Disengagement/Shutdown
  • SCC/AEB Warning lamp turns 'ON'
scientia non olet · About LEMON Manuals