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

Circuit/System Description

The instrument panel cluster (IPC) illuminates the antilock brake system (ABS) indicator by supplying ground to the lamp. The electronic brake control module (EBCM) sends a high speed GMLAN serial data message to the body control module (BCM), to request the indicator to turn ON or OFF. The BCM sends the request to the IPC on the class 2 serial data bus.

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