Mazda CX-9 2007–2015 — technical service bulletin
Bulletin SA-004-18 · NHTSA communication 10134916 · issued Feb 6, 2018
Technical service bulletin
communication type
Engine
component
2007–2015
model years
9
vehicle entries
Official summary
ome 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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.