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Home >> Hummer >> 2009 >> H3 Alpha >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (Antilock Brake System, Traction Control System & Stability Control System) >> Diagnostic Information and Procedures >> ABS Indicator Always On >> Circuit Description

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 serial data messages to the IPC to command the indicator ON or OFF.

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