P2A01 on the 2007 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.
| SA-004-19 | 2019-03-11. Service bulletin. 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. |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.