# P2A01 on the 2012 Mazda CX\-9

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 P2A01

- [10154455](https://open.wenmarpro.com/bulletins/10154455), 2019-03-11: Some customers may complain of a check engine light on while driving the vehicle. If DTCs P2A04:00, P2272:00 and/or other DTCs are found during diagnosis, follow the repair procedure below. P2A04:00 \- HO2S \(LH\) circuit range/performance, P2272:00 \- HO2S \(LH\) signal stuck lean, P2270:00 \- HO2S \(RH\) signal stuck lean, P2A01:00 \- HO2S \(RH\) circuit range/performance.