buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Information Bus|Testing and Inspection > < Circuit Protection - Circuit Breakers|Page 4301
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Theft Deterrent Control Module

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Vehicle Communication Interface Module (VCIM)

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Devices on the auxiliary power drop connector

In addition, the class 2 serial data link allows a scan tool to communicate with these modules for diagnostic and testing purposes.

Information Bus|Testing and Inspection > < Circuit Protection - Circuit Breakers|Page 4301