2009 Mazda CX-9 problems & reliability
59 owner complaints filed with NHTSA for the 2009 Mazda CX-9, alongside 6 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Federal crash records (FARS 2020–2023): 2009 Mazda CX-9 vehicles were involved in 7 fatal crashes with 2 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Service Brakes → | 17 | 29% |
| Air Bags → | 16 | 27% |
| Power Train | 6 | 10% |
| Suspension | 6 | 10% |
| Engine | 4 | 7% |
| Tires | 3 | 5% |
| Exterior Lighting | 2 | 3% |
| Seat Belts | 2 | 3% |
| Steering | 2 | 3% |
| Unknown OR Other | 2 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 85,850 miles (middle 50% between 50,250 and 125,000 miles), based on 38 complaints that included mileage.
Complaints by incident year
What owners report
“The contact owns a 2009 Mazda CX-9. The contact stated that while inspecting the vehicle it was discovered that the locking mechanism for both the 3 row driver side and passenger side seat belts locking mechanisms was not present. The cause of the failure was not determined. The manufacturer and local dealer were not…”
Seat Belts · filed Jun 2, 2026
“The contact owns a 2009 Mazda CX-9. The contact stated that while driving at an undisclosed speed and depressing the brake pedal, the vehicle made an abnormal sound. The contact stated the brake pads and rotors were replaced; however, the abnormal sound persisted. The contact called and informed the dealer of the…”
Suspension · filed Apr 23, 2024
“October 2021 purchase 2 Cooper Evolution H/T All-Season 245/60R18. With less than 8k miles, both tires developed deformities/bulging on upper sidewal/tread,line intersect, causing vehicle to shimmy. The dot #'s of both tires are up83 1LE 1021 . Tires have a 60k warranty. Cooper tires issues two safety recalls due to…”
Tires · filed Oct 23, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Lower ball joint separation
Preliminary Evaluation PE15022 · opened Jun 9, 2015 · closed Aug 20, 2015 · led to recall 15V451000
Technical service bulletins
258 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2009 Mazda CX-9. The 10 most recent:
This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-061/25 12/17/25 DESCRIPTION If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s)…
SA-041-26 · Service Bulletin/Repair Instructions · issued Jun 19, 2026
This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance…
SA-029-26 · Service Bulletin/Repair Instructions · issued Apr 21, 2026
If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by asking if any aftermarket devices have been…
SA-061-25 · Service Bulletin/Repair Instructions · issued Dec 17, 2025
A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating. It is most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/C…
07-004-25a · Service Bulletin/Repair Instructions · issued Dec 10, 2025
Some vehicles may experience exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows. This may be caused by the sun's reflection. If a structure's windows create…
SA-039/25 · Service Bulletin/Repair Instructions · issued Aug 22, 2025
When replacing the SiriusXM satellite radio unit, a call must be made to inform SiriusXM of the existing Radio ID and the new/replacement SAT Radio ID as soon as possible to ensure the customer leaves the dealership…
SA-036-25 · Service Bulletin/Repair Instructions · issued Aug 14, 2025
Some customers may complain about a noisy HVAC blower motor or odor after a cabin air filter replacement. Foreign debris on the blower motor after servicing the cabin air filter may be the cause. During the removal of…
SA-032-25 · Service Bulletin/Repair Instructions · issued Jun 19, 2025
Some vehicles may exhibit following symptoms: 1. The rearview mirror (1) rattles up and down (2) while adjusting the mirror. 2. The rearview mirror (1) makes a rattle noise depending on the road surface conditions while…
09-024-25 · Service Bulletin/Repair Instructions · issued May 22, 2025
A musty/mildew type odor may come from the vents when the air conditioning (A/C) system is operating. It is most noticeable when the A/C is first turned ON. This odor is the result of mold growth in the A/C…
07-004-25 · Service Bulletin/Repair Instructions · issued Apr 25, 2025
Some vehicles may experience exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows. This may be caused by the sun's reflection.
SA-058-24 · Service Bulletin/Repair Instructions · issued Aug 15, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2009 Mazda CX-9 has 6 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2009 Mazda CX-9?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 85,850 miles — budget accordingly if the car is approaching that mileage.