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Home >> GMC >> 2009 >> Yukon Base, 5.3 J >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC C0900 >> Circuit/System Description

Circuit/System Description

The electronic brake control module (EBCM) monitors the battery positive (B+) voltage level available for system operation. A high or low voltage condition prevents the system from operating properly, and may cause damage to the system.