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Home >> Chevrolet >> 2015 >> Volt >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Data Communication System - DTC B1000 To DTC U183E >> Diagnostic Information and Procedures >> DTC P1EF8: Battery Charger Control Module >> Circuit/System Description

Circuit/System Description

The Battery Charger compares the high voltage energy management communication enable hardwire signal with a Hybrid/EV Powertrain Control Module 2 serial data message indicating that the high voltage energy management communication enable signal is active. If the high voltage energy management communication enable hardwire signal is low when the serial data message indicates it should be high, then DTC P1EF8 is set.

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