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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 75 (Active Hydraulic Booster (AHB) System Diagnosis (HEV)) >> DTC C2402: Motor Electrical >> General Information >> General Description

General Information: General Description

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The AHB ECU (Electronic Control Unit) supplies battery power to the electric motor by way of a motor relay which is controlled by the Electronic Control Unit (ECU).

The Electric Motor Pump supplies hydraulic pressure to all wheel brake calipers by operating the piston inside the pump.