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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Anti-Lock Brake System (Abs)/Electronic Stability Control (ESC) Diagnosis) >> DTC C1604-04: ECU Hardware Error >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Trouble shooting Condition Possible Cause
Main action
  • Internal monitoring
  1. Faulty ESP (ESC)
Threshold value
  • When abnormal operation of internal power supply is detected.
  • When abnormal operation of internal MCU hardware is detected.
  • When the CPU do not execute the program synchronously.
  • When the Communication error between internal components is detected.
  • When abnormal operation of RAM, ROM, interrupt, timer, A/D converter, cycle time is detected in a master processor or in slave processor.
  • When the MCU can't clear or write the EEPROM data.
  • When the internal components initialization is not completed.
Diagnosis time
  • Continuously
MIL
  • EBD/ABS/ESP (ESC)/DBC operation cancelled/inhibited.
  • BRAKE/ABS/ESP (ESC)/DBC warning lamps ON
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