# P0840 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.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0840

- [10249330](https://open.wenmarpro.com/bulletins/10249330), 2024-01-29: TT: Some 2023MY Crown Platinum grade ONLY may require a transaxle and transmission control module \(TCU\) replacement for low\-speed vibration from Transaxle and/or DTC for P084000/P084087.
- [10249318](https://open.wenmarpro.com/bulletins/10249318), 2024-01-29: TT: Some 2023MY Crown Platinum grade ONLY may require a transaxle and transmission control module \(TCU\) replacement for low\-speed vibration from Transaxle and/or DTC for P084000/P084087.
- [10245453](https://open.wenmarpro.com/bulletins/10245453), 2023-11-27: TT: Some 2023MY Crown Platinum grade ONLY may require a transaxle and transmission control module \(TCU\) replacement for low\-speed vibration from Transaxle and/or DTC for P084000/P084087.