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Home >> Chevrolet >> 2009 >> Impala SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 1084 (Supplemental Inflatable Restraint System) >> Diagnostic Information and Procedures >> DTC B0021 >> Reference Information

Reference Information

WARNING: This page is about a different car, the 2008 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference 

SIR Schematics 

Connector End View Reference 

Component Connector End Views

Description and Operation 

SIR System Description and Operation 

Electrical Information Reference 

Scan Tool Reference 

Control Module References for scan tool information

Special Tools 

Each inflatable restraint module requires a specific adapter to connect the load tool to the SIR system.