B1788 on the 2021 Subaru Outback
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.
| 18-217-22R | 2022-04-05. Service bulletin. This bulletin announces Service Manual corrections for the diagnostic trouble tree for DTC B1788. |
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| 18-217-22 | 2022-02-04. Service bulletin. This bulletin announces Service Manual corrections for the diagnostic trouble tree for DTC B1788. |
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.