# P0AA9 on the 2018 Mitsubishi Outlander

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 P0AA9

- [10148756](https://open.wenmarpro.com/bulletins/10148756), 2018-11-19: This is a Service Campaign Bulletin sent to dealers. This bulletin supersedes TSB\-18\-54\-005, issued July, 2018. The bulletin informs dealers that updated software for the sub\-BMU was released to address the additional DTC P0AA9 \(Leak Sensor Detection Circuit.\) The bulletin also revises the production date of affected vehicles, software, data and warranty information.