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Home >> Kia >> 2019 >> Sorento S, 4WD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 4WD Control Diagnosis >> DTC U1121: Lost Communication With Electric Stability Program Module >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN message monitoring
  1. Poor connector connection
  2. Open in CAN communication line
  3. Faulty Yaw rate & G-Sensor
  4. Faulty 4WD ECU
Enable Condition
  • Ignition switch "ON" & Engine "ON"
  • Normal operation
Threshold Value
  • ESP CAN message is not received
Detecting Time
  • 2 sec
Disable Condition
  • Message correctly received
Warning Lamp
  • MIL "OFF"
Fail-safe
  • -
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