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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 151 (Air Bag Restraint Systems) >> Diagnostic Tests >> DTC B1000: Internal SDM Fault >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

When ignition is turned on, Sensing and Diagnostic Module (SDM) performs tests to detect system faults. DTC sets when SDM internal faults are detected.

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