# P0021 on the 2018 Buick Regal

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 P0021

- [10154328](https://open.wenmarpro.com/bulletins/10154328), 2019-03-11: This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. \(P0011, P0014, P0021, P0024\). Revised to include the possibility of setting in pairs and some drivability concerns.
- [10151836](https://open.wenmarpro.com/bulletins/10151836), 2018-12-17: This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. \(P0011, P0014, P0021, P0024\). Revised to include the possibility of setting in pairs and some drivability concerns.
- [10143781](https://open.wenmarpro.com/bulletins/10143781), 2018-08-20: This Preliminary information communicates there is an investigation into cause and correction for this group of DTC\&\#39;s setting together. \(P0011, P0014, P0021, P0024\).
- [10143453](https://open.wenmarpro.com/bulletins/10143453), 2018-08-06: This Preliminary information communicates there is an investigation into cause and correction for this group of DTC\&\#39;s setting together. \(P0011, P0014, P0021, P0024\).
- [10141348](https://open.wenmarpro.com/bulletins/10141348), 2018-06-18: This Preliminary information communicates there is an investigation into cause and correction for this group of DTC\&\#39;s setting together. \(P0011, P0014, P0021, P0024\).