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Home › Hyundai › 2016 › Sonata Plug-In Hybrid › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (PHEV) (3 Of 3) › DTC U0456: Invalid Data Received From Coolant Temperature Control Module › DTC Information › DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN Signal monitoring
  1. Poor connection
  2. Open or short in CAN communication line
  3. Faulty EEWP
Enable Conditions
  • Ignition switch is on
Threshold Value
  • No message from EEWP
Diagnostic Time
  • 1 sec.
MIL On Condition
  • 2 driving cycles

* When CAN error has occurred, the pump rotation will be 6, 000 RPM.

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