# P0557 on the 2018 Buick Enclave

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 P0557

- [10184483](https://open.wenmarpro.com/bulletins/10184483), 2020-12-21: This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored.
- [10178266](https://open.wenmarpro.com/bulletins/10178266), 2020-08-10: This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored.
- [10175759](https://open.wenmarpro.com/bulletins/10175759), 2020-05-26: This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored.
- [10174291](https://open.wenmarpro.com/bulletins/10174291), 2020-04-27: This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored.
- [10172778](https://open.wenmarpro.com/bulletins/10172778), 2020-03-30: This technical bulletin provides a procedure to replace the power brake booster vacuum check valve and hose to correct a condition of Intermittent Service Power Brake Assist Message With a Brake Shudder and Possible DTC P0557 Set/Stored due to the Power Brake Booster Vacuum Sensor providing intermittent incorrect vacuum values due to circuit board fault.
- [10137271](https://open.wenmarpro.com/bulletins/10137271), 2018-05-21: This technical bulletin provides a procedure to replace the power brake booster vacuum check valve and hose to correct a condition of Intermittent Service Power Brake Assist Message With a Brake Shudder and Possible DTC P0557 Set/Stored due to the Power Brake Booster Vacuum Sensor providing intermittent incorrect vacuum values due to circuit board fault.