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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Parking Brake System Diagnosis (HEV) >> DTC C1642-08: CAN Message Failure - Brake >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring CAN messages
  1. Faulty IBAU(ABS/ESP) System
  2. Faulty EPB System
  3. Open or short in C-CAN communication line
Enable Conditions
  • Ignition switch 'ON'
  • Battery voltage is between 9 volts and 16 volts
  • No CAN Bus Off
Threshold Value
  • Wheel invalid signals (both "FL" and "RR" or both "FR" and RL" or both "FL and FR" or both "RL and RR") in wheel speed messages are received during 200 milliseconds within normal voltage condition
  • The fault is not checked during 2 seconds after ignition switch turns on
Warning Lamp
  • EPB warning lamp 'ON'