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Home >> Kia >> 2012 >> Optima LX, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (4WD Control System Diagnosis) >> DTC U0122: Lost Communication With Vehicle Dynamics Control Module >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2013 Kia Sportage and 2012 Kia Sportage. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION CHART

Item Detecting Condition Possible cause
DTC Strategy
  • CAN Signal Check
  1. Poor connection
  2. Open or short in CAN communication line
  3. Error in TCS unit
  4. Error in Wheel speed sensor
Enable conditions
  • IG "ON" or Engine "ON"
Threshold value
  • It can't get some CAN signals from TCS module. (TCS 1/4/5 CAN message)
Detecting time
  • 2 seconds
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