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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1673 (Tire Pressure Monitoring System) >> Diagnostic Information and Procedures >> DTC B2818 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

The Body Control Module (BCM) monitors a signal circuit from the Instrument Panel (IP) Fuse Block reset switch. When a ground signal is detected on this circuit, the BCM sends a message via a class 2 serial data circuit to the Instrument Panel Cluster (IPC) to turn off the LOW TIRE indicator.

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