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Home >> Hyundai >> 2012 >> Tucson GLS, 4WD >> Repair and Diagnosis >> Transmission >> Transfer Case >> 4WD Control Diagnosis >> DTC U0122: Lost Communication With Vehicle Dynamics Control Module >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

DTC DETECTING CONDITIONS

Item Detecting Condition Possible cause
DTC Strategy
  • Signal monitoring
  • Poor Connection
  • Power supply to each module
  • Open or short in communication line of 4WD ECM
  • Open or short in communication line of VDC/ESC
  • Faulty 120 Ω register (cluster)
  • Faulty 4WD ECM
  • Faulty VDC/ESC
Enable conditions
  • IG ON
Threshold value
  • When APS signals are not inputted
Check Lamp
  • Lamp ON
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