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Home >> Chevrolet >> 2012 >> Cruze LS, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 253 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1020: Auxiliary Electronic Control Unit (ECU) Performance >> Reference Information
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Reference Information

WARNING: This page is about a different car, the 2011 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference 

Radio/Navigation System Schematics 

Connector End View Reference 

COMPONENT CONNECTOR END VIEWS -- INDEX

Description and Operation 

Radio/Audio System Description and Operation 

Electrical Information Reference 

Scan Tool Reference 

Control Module References for scan tool information