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.
- DTC U18B9
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Primary High Speed CAN Bus Subnet Configuration List
- DTC U18BF
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Secondary High Speed CAN Bus Subnet Configuration List
For symptom byte information, refer to Symptom Byte List .