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Home >> GMC >> 2022 >> Hummer EV >> Repair and Diagnosis >> Electrical >> Charging Systems >> Plug-In Charging System >> Diagnostic Information and Procedures >> DTC P3002-P3004 >> Circuit/System Description

Circuit/System Description

Vehicles equipped with DC charging capabilities include a separate DC charging circuit and 2 contactors to connect this system directly to the battery pack for 400+ V offboard charging. A set of sensors internal to the battery disconnect unit provides voltage data to the battery energy control module 1.