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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1639 (Hybrid Engine Electrical System 3.6L (Hp5)) >> Diagnostic Information and Procedures >> DTC C0900 or C12E2 >> Circuit/System Description

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 electronic brake control module (EBCM) monitors the 12 V battery voltage level available for system operation. A high voltage condition prevents the system from operating properly.