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Home >> Cadillac >> 2007 >> CTS Base, 2.8 T, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 337 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> OnStar Call Center Remote Function Requests Inoperative >> Diagnostic Fault Information
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Diagnostic Fault Information

WARNING: This page is about a different car, the 2007 Cadillac XLR. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

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