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Home >> Genesis >> 2021 >> G80 2.5T Advanced, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.5L (6 Of 6) >> DTC U0456-00: Invalid Data Received From Coolant Temperature Control Module >> DTC Information And Inspection >> DTC Detecting Condition
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DTC Information And Inspection: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Check LIN message from EWP
  1. Poor connector connection
  2. Faulty LIN communication line
  3. Faulty EWP circuit
  4. Faulty EWP
Enable Condition
  • Battery voltage is greater than 9V
  • Delay time after engine running on is more than 2 seconds
Threshold Value
  • Abnormal message received from EWP
Diagnostic Time
  • Continuous
MIL ON Condition
  • No MIL (DTC only)