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Home >> Kia >> 2007 >> Sorento Base, A5SR2 >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) >> Troubleshooting For DTC >> DTC U0101 Serial Communication Problem With TCU (Timeout) >> DTC Detecting Condition
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DTC U0101 Serial Communication Problem With TCU (Timeout): DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item Detecting Condition Possible cause
DTC Strategy
  • Detects failures in communication between ECM and TCM
  • CAN BUS
  • TCM
  • ECM
Enable Conditions
  • Engine Run Time ≥ 2sec.
  • Ignition Voltage ≥ 11V
Threshold value
  • When ECM can't get TCU ID for more than 0.5 second
Diagnosis Time
  • Continuous
MIL On Condition
  • 2 Driving Cycle
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