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Circuit/System Verification: Notes

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. 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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