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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 795 (Instrument Panel, Gages, And Console) >> Diagnostic Information and Procedures >> DTC B0540: Driver Circuit State Mismatch >> Circuit Description

Circuit Description

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The IPC monitors the vehicle speed signal to determine the speedometer position. If the IPC determines the vehicle speed signal voltage is out of the normal operating range, a DTC will set.

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