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P0442 on the 2020 Audi SQ8

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 P0442
A2024692073032_22024-06-25. Service bulletin. This bulletin provides information when the MIL is on, DTC P148D00 + P044200, leak diagnostic pump.
A2024692073032_22024-06-25. Service bulletin. This bulletin provides information when the MIL is on, DTC P148D00 + P044200, leak diagnostic pump.
A2024672073032_12024-04-04. Service bulletin. This bulletin provides information for when the MIL is on, DTC P148D00 and P044200; leak diagnostic pump.
A2023522065287_62023-02-07. Service bulletin. This bulletin provides instructions for when the MIL is on and DTC P044200 and/or P045600 is stored in the ECM.
A2022512065287_52022-11-04. Service bulletin. If DTC P044200 or P045600 are present, the GX36 may need to be replaced.
A2022492065287_42022-10-05. Service bulletin. This bulletin advises to replace the EVAP LD Pump if DTC P044200 or DTC P045600 are present under specific circumstances.

6 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.