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C058A on the 2025 Cadillac Lyriq

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 C058A
PIC66142025-06-30. Service bulletin. This PI communicates that a brake system failure message may present with no DTC's found in GDS but are viewable in OnStar data. (C0582, P30DA or C058A.)

1 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.