2015 Mazda CX-9: Recalls, Problems & MPG
Here are the deets on the 2015 Mazda CX-9: 2 recalls, 35 owner complaints and up to 19 mpg combined.

Recalls
2 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Steering Vehicle recall #16V203000 · 2016 · 578 vehicles
What's wrong: The lower mounting nuts and bolts that attach the front strut assembly to the steering knuckle May loosen, allowing the steering knuckle to separate.
Why it matters: If the steering knuckle separates from the strut assembly, it can cause a loss of steering control, increasing the risk of a crash.
The fix: Mazda will notify owners, and dealers will inspect the lower mounting nuts and bolts that secure the front strut assembly to the steering knuckle. If the bolts are loose, they will be replaced and then correctly tightened, free of charge. The recall is expected to begin May 20, 2016.
Airbags Vehicle recall #18V717000 · 2018 · 155,436 vehicles
What's wrong: S. Virgin islands or "zone a." additionally, unless covered in "zone a," Mazda is recalling certain 2011-2013 mazda6, 2011-2012 cx-7, and 2011-2015 cx-9 sold, or ever registered in the states of arizona, arkansas, delaware, illinois, indiana, kansas, kentucky, maryland, missouri, nebraska, nevada, new jersey, new mexico, north carolina, ohio, oklahoma, pennsylvania, tennessee, virginia, west virginia and the…
Why it matters: An inflator explosion May result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
The fix: Mazda will notify owners, and dealers will replace the front passenger air bag inflator with an alternate inflator, free of charge. The recall began November 9, 2018.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 5 injuries and 0 deaths were reported.
What owners describe
- Engine (17): the most common themes are warning light on (9), leaks (8), stalls / loses power (5).
- Other / unknown (9): the most common themes are noise or vibration (3), stalls / loses power (3), warning light on (2).
- Brakes (3): no single recurring theme in the descriptions.
- Transmission & drivetrain (3): no single recurring theme in the descriptions.
The 2015 Mazda CX-9 has 35 owner complaints, ranking #14 of 17 CX-9 model years for complaints (well below the 88 average). Complaints peaked in 2020 (5 filed that year). The typical problem showed up when the car was about 5 years old, at a median of 60,500 miles. Neighboring years: 2014 (54 complaints, 3 recalls), 2016 (107 complaints, 0 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.7 L 6-cyl | Automatic (S6) | Front-Wheel Drive | 17 | 24 | 19 | Regular |
| 3.7 L 6-cyl | Automatic (S6) | 4-Wheel Drive | 16 | 22 | 19 | Regular |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2015 Mazda CX-9.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
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FAQ
Does the 2015 Mazda CX-9 have any recalls?
Yes. NHTSA lists 2 vehicle recalls for the 2015 Mazda CX-9. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2015 Mazda CX-9 problems?
Owners have filed 35 complaints with NHTSA. The most-reported areas are engine (17), other / unknown (9), brakes (3).
What gas mileage does the 2015 Mazda CX-9 get?
EPA ratings run up to 19 mpg combined (3.7 L, Automatic (S6)), across 2 engine and transmission combos.
Where can I get a 2015 Mazda CX-9 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.