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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 64 (HEV Motor System Diagnosis (HEV)) >> DTC P0C73: Motor Electronics Coolant Pump 'A' Control Performance >> General Information >> General Description

General Information: General Description

WARNING: This page is about a different variant/trim than selected.

The Electronics Water Pump (EWP) supplies coolant from the radiator to the Hybrid Power Control Unit (HPCU) and the Hybrid Starter Generator (HSG). When the EWP is energized, coolant will flow through the HSG, Radiator, HPCU, Reservoir Tank and then back through the EWP.