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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 91 (Engine Control System Diagnosis - 1.6L (3 Of 3) - Optima (Except HEV)) >> DTC U0101: Lost Communication With TCM >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • CAN communication status check
  1. Poor connection
Enable Conditions
  • Battery voltage is greater than 10V or less than 16V
Threshold Value
  • Duration of communication lost with TCM greater than 2s
Diagnostic Time
  • Continuous
MIL ON Condition
  • 3 driving cycles
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