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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> ESC/AHB Diagnosis (HEV) >> DTC C1806-08: CAN Time-Out MCU >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN message monitoring
  1. Faulty IBAU
  2. Faulty MCU
  3. Poor connection of CAN communication circuit
Enable Conditions
  • In case that MCU message was not received for more than specific time.

Specific time
  1. any control activated: 500 msec.
  2. all control inactivated: 1500 msec.
MIL
  • The RBS/ESP (ESC)/DBC warning lamp is activated. The AVH warning lamp is activated in case of the vehicle equipped with AVH.
Reset condition
  • Turn ignition switch off and on.
NOTE: IBAU: Integrated Brake Accumulation Unit
LDC: Low voltage DC/DC Converter
RBS: Regenerative Brake Cooperation System
ABS: Anti-lock Brake System
EBD: Electronic Brake-force Distribution System
VDC: Vehicle Dynamic Control
AVH: Auto Vehicle Hold