B146C on the 2018 Audi Q5
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.
| A9423682070694_1 | 2023-12-07. Service bulletin. This bulletin provides information when there is a functional issue with switching of lights in the rear lid. DTC B146C29. |
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| A9421472050234_5 | 2021-10-06. Service bulletin. This bulletin contains repair instructions regarding when the rear lights do not switch from bumper to hatchgate after closing with DTC B146C29. |
| A9420242050234_4 | 2020-05-07. Service bulletin. This bulletin contains repair instructions regarding when the rear lights do not switch from bumper to hatchgate after closing with DTC B146C29. |
| A941902 2050234- | 2019-04-15. Service bulletin. This bulletin contains repair instructions regarding when the rear lights do not switch from bumper to hatchgate after closing with DTC B146C29. |
| A941902 2050234- | 2019-04-08. Service bulletin. This bulletin contains repair instructions regarding when the rear lights do not switch from bumper to hatchgate after closing with DTC B146C29. |
| A941902 2050234- | 2019-04-01. Service bulletin. This bulletin contains repair instructions regarding when the rear lights do not switch from bumper to hatchgate after closing with DTC B146C29. |
| A941800 2050234- | 2018-10-15. Service bulletin. This bulletin contains instructions regarding when the rear lights do not switch from bumper to hatchgate after closing with DTC B146C29. |
7 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.