Mazda CX-9 2011–2012 — technical service bulletin
Bulletin SB-01-001-12 · NHTSA communication 10043660 · issued Jan 5, 2012
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2012
model years
3
vehicle entries
Official summary
Mazda: mil on with dtc's p0123 and / or p0222. This could happen due to abnormal electrical noise within the engine harness. *kb
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.