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DTC Descriptors

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 U0020

Low Speed CAN Bus

For symptom byte information, refer to Symptom Byte List .

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