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Circuit/System Description

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The engine control module (ECM) performs a rationality check for the voltage sensor located internal to the battery energy control module (BECM) by comparing the pack power electronics bus, and module voltages. If the SGCM diagnostic causes the contactor open, this DTC could set falsely.

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