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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1635 (Body Control System) >> Diagnostic Information and Procedures >> DTC B1001: ID/VIN Data Mismatch >> Conditions for Running the DTC

Conditions for Running the DTC

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The voltage and ground for the modules involved, plus a normal operating Class 2 serial data circuit are required.