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Communication Interface Module Bracket Replacement

WARNING: This page is about a different car, the 2012 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Communication Interface Module Bracket
GM2201586Courtesy of GENERAL MOTORS COMPANY
Communication Interface Module Bracket Replacement

Callout Component Name
Preliminary Procedure 
Remove the rear window panel trim. Refer to Rear Window Panel Trim Replacement (with DB3) , Rear Window Panel Trim Replacement (without DB3) , Rear Window Panel Trim Replacement (With HP6) .
1 Communication Interface Module Bracket Fastener
2 Communication Interface Module Bracket
Procedure 
Disconnect the electrical connectors.