# P0404 on the 2005 Buick Terraza

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 P0404

- [10019472](https://open.wenmarpro.com/bulletins/10019472), 2006-03-16: SERVICE ENGINE SOON \(SES\) LIGHT ILLUMINATED, MULTIPLE POWERTRAIN CONTROL MODULE \(PCM\) DIAGNOSTIC TROUBLE CODE \(DTC\) P1404 AND/OR P0404. 06\-06\-04\-003 NOT YET RECEIVED. \*TT UPDATED 04\-27\-07. \*KB
- [10017235](https://open.wenmarpro.com/bulletins/10017235), 2005-10-29: DIAGNOSTIC TROUBLE CODE P0404 EGR CONCERN. \*TT