P0430 on the 2015 Audi A5
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.
| A0123972072121_1 | 2023-12-06. Service bulletin. This bulletin provides information for when the MIL/EPC light is illuminated, DTC P042000 or P043000, Catalyst system, bank 1 or 2 efficiency below thresh hold. |
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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.