# P0451 on the 2019 Cadillac XT4

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 P0451

- [10254012](https://open.wenmarpro.com/bulletins/10254012), 2024-05-02: This technical bulletin provides a procedure to correct the condition of Check Engine Lamp Illuminated on Driver Information Center \(DIC\) with DTC P0451 Set.
- [10225610](https://open.wenmarpro.com/bulletins/10225610), 2022-11-02: This technical bulletin provides a procedure to correct the condition of Check Engine Lamp Illuminated on Driver Information Center \(DIC\) with DTC P0451 Set.
- [10166671](https://open.wenmarpro.com/bulletins/10166671), 2019-10-28: This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a check engine lamp illuminated and DTC P0451 set.