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Home >> Chevrolet >> 2011 >> Volt >> Repair and Diagnosis >> Electrical >> Charging Systems >> Plug-In Charging >> Diagnostic Information and Procedures >> DTC P0D21 or P0D23 >> Circuit/System Description

Circuit/System Description

The hybrid powertrain control module 2 monitors the battery charger high voltage output voltage and current and ensures there is not a resistive short in the charging bus.