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Home >> Genesis >> 2021 >> GV80 3.5T Advanced+ >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.5L (9 Of 9) >> 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

Troubleshooting Condition Possible Cause
Main Action
  • Electrical inspection
  1. Poor contact of connector
  2. Open or short in harness
  3. Electrical Water Pump (EWP)
Prerequisite Condition
  • The battery voltage is between 9V and 16V
  • Turn the ignition switch "ON" Time greater than 1 sec
Threshold Value
  • Invalid data is received during LIN communication between the engine ECU and a Electrical Water Pump (EWP)
Diagnostic Time
  • Continuous
MIL
  • NO MIL
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