U11B9 on the 2023 Toyota CROWN
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.
| T-TT-0730-23 | 2023-05-15. Service bulletin. TT: Vehicle may exhibit one or all in combination of the following DTC U115687 or U11B900 or U11B987 or U11BF87 shortly after short pin installed during PDS/PDI. |
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1 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.