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Service bulletins for the 2009 Mazda CX-9

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

260 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
RF-18-032018-10-09. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. EXHAUST PIPE GASKET OPEN END: There has been some concern with the open end of hoop design being considered a defect in the gasket for P/N AJ17-40-305. The end of this ?hoop? is intentionally modified to press fix the gasket on the exhaust pipe. NOTE: The ?hoop? might become larger during shipping, but you can still use it by pressing this portion down when installing.
01-013-18-34782018-07-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Some vehicles may exhibit the check engine light on with DTC P0456 stored in the PCM memory. P0456: EVAP system leak detected (very small leak)The concern is most likely the result of the customer not getting the fuel cap completely closed after fuelingthe vehicle. This causes a small fuel vapor leak and turns DTC P0456 on.
04-003-18-34552018-05-14. Service bulletin. ENGINE AND ENGINE COOLING. Some customers may report a slight clunk/bang/buzz noise or jolt from the front of the vehicle. This concern will most likely occur during the vehicles first forward movement after starting the engine. This is a normal operating noise of the Anti-Lock Brake System (ABS). Do not attempt any repairs. If you encounter a customer complaint for this concern, explain that the noise comes from the ABS/TCS/DSC "Malfunction Detection Function" initial check and that there is no problem. This initial check is a necessary function to ensure the normal operation of the ABS/TCS/DSC system. It occurs when the vehicles first moves forward under the following conditions. NOTE: Some customers may describe that the noise does not occur all the time. It does occur all the time, but the sound is more likely to be heard on a slow start and not on a quick start (quick acceleration) when engine noise is louder.
SA-004-182018-04-23. Service bulletin. ENGINE. 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
03-007-15-30912017-06-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SOME VEHICLES MAY EXPERIENCE VIBRATION DURING ACCELERATION AND/OR NOISE COMING FROM THE REAR OF THE VEHICLE. DUE TO ENVIRONMENTAL HEAT AND HEAT FROM THE EXHAUST SYSTEM, THE REAR DIFFERENTIAL MOUNTING RUBBER MAY BECOME HARDENED AND CRACKED, RESULTING IN VIBRATION AND/OR NOISE. TO ELIMINATE THIS CONCERN, THE RUBBER MATERIAL HAS BEEN IMPROVED.
01-008-16-31622017-06-06. Service bulletin. ENGINE. SOME VEHICLES MAY EXHIBIT AN ENGINE COOLANT LEAK (A) BETWEEN THE LOWER RADIATOR HOSE (B) AND THE THERMOSTAT HOUSING (C). THE LOWER RADIATOR HOSE HAS BEEN MODIFIED TO IMPROVE SEALING PERFORMANCE.
01-014-14-29322017-05-04. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; ENGINE. SOME VEHICLES MAY EXHIBIT THE CHECK ENGINE LIGHT ON WITH DTC P0456 STORED IN THE PCM MEMORY.• P0456: EVAP SYSTEM LEAK DETECTED (VERY SMALL LEAK) THE CONCERN IS MOST LIKELY THE RESULT OF THE CUSTOMER NOT GETTING THE FUEL CAP COMPLETELY CLOSED AFTER FUELING THE VEHICLE. THIS CAUSES A SMALL FUEL VAPOR LEAK AND TURNS DTC P0456 ON.
1080M2017-02-23. Service bulletin. ENGINE. IF AN ENGINE ASSEMBLY IS REPLACED AFTER A CATASTROPHIC INTERNAL MECHANICAL FAILURE, CLEAN THE INTAKE MANIFOLD INTERNALLY BEFORE INSTALLING A REPLACEMENT ENGINE ASSEMBLY. IF THE INTAKE MANIFOLD IS NOT CLEANED PROPERLY, THE REPLACEMENT ENGINE MAY FAIL PREMATURELY.METALLIC DEBRIS FROM THE OLD ENGINE (WITH CATASTROPHIC INTERNAL MECHANICAL FAILURE) MAY REST INSIDE THE INTAKE MANIFOLD. WHEN THE NEW ENGINE ASSEMBLY IS INSTALLED, DEBRIS IN THE INTAKE MANIFOLD WILL BE INGESTED INTO THE NEW ENGINE AND CAUSE INTERNAL DAMAGE.CLEAN THE INTAKE MANIFOLD INTERNALLY TO REMOVE ANY DEBRIS FROM OLD ENGINE BEFORE INSTALLING THE NEW REPLACEMENT ENGINE ASSEMBLY.IF THE INTAKE MANIFOLD CANNOT BE PROPERLY CLEANED INTERNALLY, REPLACE IT.
1102M2017-02-21. Service bulletin. ENGINE. WORKSHOP MANUAL EVAP SYSTEM LEAK INSPECTION USING THE M-MDS HAS BEEN DISCONTINUED FOR SOME MODELS. INSTEAD, THE WORKSHOP MANUAL EVAP SYSTEM LEAK INSPECTION USING EVAP LEAK TESTER WILL BE USED TO TROUBLESHOOT EVAP SYSTEM LEAKS.
1080M2016-12-01. Service bulletin. ENGINE. IF AN ENGINE ASSEMBLY IS REPLACED AFTER A CATASTROPHIC INTERNAL MECHANICAL FAILURE, CLEAN THE INTAKE MANIFOLD INTERNALLY BEFORE INSTALLING A REPLACEMENT ENGINE ASSEMBLY. IF THE INTAKE MANIFOLD IS NOT CLEANED PROPERLY, THE REPLACEMENT ENGINE MAY FAIL PREMATURELY.METALLIC DEBRIS FROM THE OLD ENGINE (WITH CATASTROPHIC INTERNAL MECHANICAL FAILURE) MAY REST INSIDE THE INTAKE MANIFOLD. WHEN THE NEW ENGINE ASSEMBLY IS INSTALLED, DEBRIS IN THE INTAKE MANIFOLD WILL BE INGESTED INTO THE NEW ENGINE AND CAUSE INTERNAL DAMAGE.CLEAN THE INTAKE MANIFOLD INTERNALLY TO REMOVE ANY DEBRIS FROM OLD ENGINE BEFORE INSTALLING THE NEW REPLACEMENT ENGINE ASSEMBLY.IF THE INTAKE MANIFOLD CANNOT BE PROPERLY CLEANED INTERNALLY, REPLACE IT
01-008/162016-07-14. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
01-014-142016-04-12. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
00-004/122016-03-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.