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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 430 (Supplemental Inflatable Restraint System) >> Diagnostic Tests >> DTC B1000: Internal SDM Failure >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. 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.