2015 Mazda CX-9 Engine cooling Problems
- Complaints
- 1about this part
- Share
- 3%of 35 total for the year
- Median mileage
- 124,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2015 Mazda CX-9, 3% of the 35 complaints for this model year. Where a mileage was given, the median is 124,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2015 Mazda CX9. The contact stated that while driving at approximately 55 MPH, the vehicle shut off. The contact stated that the engine was overheating. The contact restarted the vehicle, and the vehicle stalled again. The vehicle continued to coast into a parking lot. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed that the water pump, timing chain, cam phaser, timing chain tensioner, and an engine replacement were needed. The vehicle was not repaired. The manufacturer was not contacted. …”
NHTSA complaint #11569248, filed 2024-02, 124,000 milesRelated service bulletins
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- 10237216May 24, 2023If 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…
- 10208556Feb 23, 2022Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as…
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- 10194657May 5, 2021If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal Workshop Manual…
- 10188086Feb 10, 2021Service reactivation and owner loyalty program (csp10) - expires april 30, 2021
Engine cooling: other model years
Other parts of the 2015 Mazda CX-9
17 complaintsOther or unknown
9 complaintsBrakes
3 complaintsTransmission and drivetrain
3 complaintsAir bags
2 complaintsExterior lighting
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsElectrical system
1 complaintsElectronic stability control
1 complaintsFuel system
1 complaintsSeat belts
1 complaintsSeats
1 complaints
← All problems reported for the 2015 Mazda CX-9
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology