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Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 225 (Data Communication System) >> Diagnostic Information and Procedures >> Scan Tool Does Not Communicate with Chassis High Speed GMLAN Device >> Circuit/System Verification >> Notes
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Circuit/System Verification: Notes

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Review and understand how to use the Detected State section of the Data Bus Diagnostic Tool User Guide in service information web site prior to using the Data Bus Diagnostic Tool section in this diagnostic procedure.

Perform Circuit/System Verification using one of the following two methods:

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