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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 452 (Instrument Panel System Displays And Gauges) >> Diagnostic Information and Procedures >> Compass Malfunction >> Circuit/System Description

Circuit/System Description

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The compass module communicates with the body control module (BCM) through the local interconnect network 3 (LIN) data circuit. The instrument panel cluster (IPC) receives compass information from the BCM via the serial data circuit. The IPC displays compass information in the driver information center (DIC).

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