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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) (PHEV) >> DTC U0456-00: Invalid Data Received From Coolant Temperature Control Module >> DTC Information >> DTC Description
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DTC Description

The PCM determines CAN communication error and sets DTC U045600 if no message received from EEWP (Engine Electric Water Pump).

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