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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 874 (Door Lock Systems & Door Handles) >> Diagnostic Information & Procedures >> DTC B1023 >> Reference Information

Reference Information

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference 

Door Control Module Schematics 

Connector End View Reference 

Vehicle Access Connector End Views 

Electrical Information Reference 

Scan Tool Reference