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Home >> Kia >> 2021 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (6 Of 6) >> DTC U0456-00: Invalid Data Received From Coolant Temperature Control Module >> DTC Information >> DTC Description

DTC Description

If there is no message from electronic water pump to ECM through external CAN line, ECM sets DTC U045600.