U0418 on the 2026 Audi A6
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.
| TSB_2081024_3 | 2026-05-05. Service bulletin. This Pending Service Solution (PSS) requests that technicians enter a record into the PSS database when the MIL is on; DTC U041800. |
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| TSB_2081024_1 | 2026-03-03. Service bulletin. This Pending Service Solution (PSS) requests that technicians enter a record into the PSS database when the MIL is on; DTC U041800. |
| TSB_2078871_2 | 2026-02-06. Service bulletin. This bulletin provides information when the engine warning lamp (MIL) is on - DTC U041800. |
3 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.