U1785 on the 2025 Audi Q3
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.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| TSB_2073131_4 | 2025-10-03. Service bulletin. This bulletin provides informaton when there is a software error; DTC U178500 passive/sporadic. |
|---|---|
| A9124692073131_3 | 2024-11-06. Service bulletin. This bulletin provides information when there is a software error, passive/sporadic, DTC U178500, OCU3. |
2 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.