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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 457 (Supplemental Inflatable Restraint System) >> Diagnostic Tests >> DTC B1000: Internal SDM Malfunction >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1000 indicates an internal SDM malfunction. No external circuits are involved.