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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 135 (12 V Starting And Charging - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P058A-P058F >> Circuit/System Description

Circuit/System Description

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The B110 Battery Monitor Module monitors the system voltage, current, and internal temperature to verify they are within the normal operating range. It also monitors ROM or RAM memory faults, and performs other internal diagnostics. The B110 Battery Monitor Module is powered by circuit 1642 and is grounded by the cable clamp directly to the negative battery post. The information is reported to the K20 Engine Control Module on LIN circuit 2855.

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