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U0212 on the 2020 Cadillac CT4

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name U0212
20NA1142021-12-20. Service bulletin. This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212.
20NA1142021-02-22. Service bulletin. This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212.
20NA1142021-02-01. Service bulletin. This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212.
20NA1142020-06-22. Service bulletin. This informational bulletin provides information for dealers/technicians on the false setting of DTC U0212.

4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.