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Home >> GMC >> 2022 >> Hummer EV >> Repair and Diagnosis >> Electrical >> Charging Systems >> Plug-In Charging System >> Diagnostic Information and Procedures >> DTC P0D3E-P0D40 >> Circuit/System Description
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Circuit/System Description

The battery charger contains an internal sensor array which reports charger data and diagnostics to the battery energy control module 1 through serial data.