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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (4WD Control System Diagnosis) >> DTC U0100: Lost Communication With ECM/PCM 'A' (C-CAN) >> 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
  • CAN message monitoring
  • Poor connector connection
  • Open in CAN communication line
  • Faulty ECM/PCM
  • Faulty 4WD ECU
Enable Condition
  • Engine "ON"
  • Normal operation
Threshold Value
  • EMS CAN message is not received
Detecting Time
  • 2s
Fail Safe
  • 4WD prohibited
MIL
  • "ON"
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