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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Motor Driven Power Steering System Diagnosis) >> DTC C1604-04: ECU Hardware Error >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • Check ECU hardware
  • Poor connector connection
  • Faulty MDPS
Enable Condition
  • Ignition "ON"
Threshold Value
  • Arithmetic function error
  • Interrupted communication with ASIC
  • Motor control circuit (FET) open or short
  • ROM/RAM data error
Warning Lamp
  • Warning lamp "ON"
Service Lamp
  • "ON"
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