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Home >> Cadillac >> 2011 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 799 (Antilock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> ABS Indicator Inoperative >> Circuit Description
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Circuit Description

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The instrument panel cluster (IPC) illuminates the ABS indicator by supplying ground to the lamp. The electronic brake control module (EBCM) sends class 2 serial data messages to the IPC in order to command the indicator ON or OFF.

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