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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Hydraulic Brake System) >> Diagnostic Information and Procedures >> Brake Warning Indicator Inoperative >> Circuit/System Description

Circuit/System Description

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The instrument panel cluster (IPC) sees the brake fluid level switch input grounded and illuminates the Red Brake Warning indicator. The body control module (BCM) sees the park brake switch input grounded, it sends a serial data message to the IPC requesting illumination of the Red Brake Warning indicator.

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