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Home >> Kia >> 2021 >> Niro LXS >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> ESC/AHB Diagnosis (HEV) (2 Of 2) >> DTC C1604-04: ECU Hardware Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Hardware monitoring
  • Poor connector connection
  • Faulty IBAU
Threshold Value
  • When the MCU can't erase or write a data of the EEPROM
  • A failure is detected if an abnormal operation of RAM, ROM, interrupt, timer, A/D converter, cycle time is detected in master processor or in slave processor
  • A failure is detected if the communication error between internal components is detected
  • A failure is detected if the internal components initialization is not completed
  • A failure is detected if an abnormal operation of internal power supply is detected
Warning Lamp
  • Brake (EBD), ABS, ESC, AVH warning indicator lamp "ON"
  • Buzzer "ON"
Disable Condition
  • Ignition "OFF" and then "ON"