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Home >> Kia >> 2024 >> Seltos X-Line >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 4WD Control System Diagnosis >> DTC U0122-87: Lost Communication With Vehicle Dynamics Control Module >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN message monitoring
  • Poor connection
  • CAN communication circuit (open, short)
    • CAN High line open
    • CAN Low line open
    • CAN High and Low line open
    • CAN High line short to battery
    • CAN Low line short to battery
    • CAN High, Low line short to each other
    • CAN High, Low line short to each other and short to ground
  • Terminating Resistance fault
  • Transmitting controller BUS OFF
  • Transmitting controller disconnected
  • Transmitting controller power, fuse, ground fault
  • Transmitting controller H/W, S/W fault
  • CAN line noise
  • ESC fault (CAN module fault)
Enable Condition
  • Engine "ON"
Threshold Value
  • When ESC CAN message not received
Detecting Time
  • 2.1s
Fail Safe
  • On normal receipt of ESC CAN messages