DTC Descriptor
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
Lists all DTCs and descriptors that are diagnosed within the procedure.
If the DTC supports symptom bytes they will either be listed with the DTC or there will be a link to the symptom byte list.