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Normal Operation And Fault Conditions

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The BCM uses 2 normally-open switches, connected in series, to monitor the wear of the brake pads. As the brake pads wear, the switches close. Once fully closed, the BCM sends a message to the IPC to display a warning in the message center. 

PPT BS ABS MODULE DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
C004A:13 Brake Lining Wear Indicator: Circuit Open This DTC sets when the BCM detects an open circuit condition in the brake lining wear indicator circuit.