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Home >> Hyundai >> 2012 >> Genesis Coupe 3.8 Track, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission System - 3.8L >> DTC U0122: Lost Communication With Vehicle Dynamics Control Module >> DTC Detecting Condition

DTC U0122: Lost Communication With Vehicle Dynamics Control Module: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible Cause
DTC Strategy
  • Check signal
  • CAN communication line open of VDC side
  • CAN communication line short of VDC side
  • VDC ECU
  • Mechatronics (E-module + Valve-body)
Enable Conditions
  • 0.5 second after IG ON
  • Battery voltage > 9V
Threshold Value
  • No message from ECM
  • Input Not available data
Diagnostic Time
  • 0.56 second
Fail Safe
  • (Priority: 2)
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