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Home >> Buick >> 2008 >> Lucerne CX >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System, Traction Control System & Stability Control System >> Diagnostic Information and Procedures >> ABS Indicator Malfunction >> Circuit/System Description
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Circuit/System Description

The instrument panel cluster (IPC) illuminates the ABS indicator by supplying ground to the lamp. The electronic brake control module (EBCM) sends a serial data message to the IPC, in order to command the indicator ON or OFF.