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Home >> Hyundai >> 2009 >> Genesis 3.8 >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transaxle System (Tb-65/60N) >> Troubleshooting For DTC >> U0122 Lost Communication With Vehicle Dynamics Control Module >> DTC Detecting Condition
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U0122 Lost Communication With Vehicle Dynamics Control Module: DTC Detecting Condition

DTC U0122 DETECTING CONDITION REFERENCE

Item Detecting Condition Possible Cause
DTC Strategy
  • Check the communication
  • Short or Open in CAN communication circuit
  • Faulty in ECU
Enable Conditions
  • TCM communication is normal with ESP
  • 10.2V < Battery voltage < 15.5V
  • No fail in system
Threshold Value
  • Detecting abnormal information.
Diagnostic Time
  • More than 0.5sec
Fail Safe
  • No self learning control
  • Wheel speed sensor = Output speed sensor