AutoUtility currently tracks 35 official NHTSA owner defect complaints for the 2015 Mazda CX-9. Engine & Cooling issues are the most frequently reported category, appearing in 17 complaints (48.6% of submitted records). Among these NHTSA complaint records, 1 filing cites a crash, 2 report one or more injuries.
- • Total NHTSA Complaints: 35 reports
- • #1 Reported Problem Area: Engine & Cooling (17 reports • 48.6% of submitted complaints)
- • Secondary Problem Areas: Powertrain & Transmission (3), Brakes & Traction Control (3)
- • Crash-Citing Complaints: 1 filings
- • Fire-Citing Complaints: 0 filings
- • Complaints Reporting Injuries / Fatalities: 2 injury filings • 0 fatality filings
Most Reported Problems for 2015 Mazda CX-9
Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records
Engine & Cooling
Powertrain & Transmission
Brakes & Traction Control
Air Bags & Restraints
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #18V717000 AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
Exterior Lighting
Recent NHTSA Owner Reports for 2015 Mazda CX-9
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"My Mazda has been serviced regularly, in fact my next oil change isn't for 2,000 more miles. I was driving when I heard this weird noise. I looked at the dash and the oil light was flashing and the temperature was over heating. I could also feel the vehicle getting sluggish. I pulled over on the..."
"We have a 2015 Mazda CX-9 Touring with All-Wheel Drive (AWD). The issue that has been happening is a flashing check engine light (CEL) indicator showing up in the gauge cluster. This issue originally started in October of 2023. I was on the highway doing at least 55 miles per hour (mph). Before the..."
"2015 transmission problem Mazda dealership unable to affect because transmissions are no longer made for my model"
"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..."
"The issue is with the design of the Water Pump on this vehicle. From my understanding, this is a common issue with the 2015 Mazda CX-9. What happens is once the water pump starts to fail due to the design, the vehicle starts to stall randomly which poses a safety issue to my family when driving...."
Complaint History for Mazda CX-9
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Mazda CX-9 Current Page | 35 | 1 | 2 | Current |
| 2016 Mazda CX-9 | 99 | 3 | 0 | View 2016 Problems → |
| 2017 Mazda CX-9 | 61 | 0 | 0 | View 2017 Problems → |
| 2018 Mazda CX-9 | 126 | 4 | 2 | View 2018 Problems → |
| 2019 Mazda CX-9 | 53 | 1 | 2 | View 2019 Problems → |
| 2020 Mazda CX-9 | 19 | 1 | 1 | View 2020 Problems → |
| 2021 Mazda CX-9 | 37 | 7 | 1 | View 2021 Problems → |
| 2022 Mazda CX-9 | 9 | 1 | 0 | View 2022 Problems → |
| 2023 Mazda CX-9 | 12 | 3 | 0 | View 2023 Problems → |
| 2024 Mazda CX-9 | 0 | 0 | 0 | View 2024 Problems → |
| 2025 Mazda CX-9 | 0 | 0 | 0 | View 2025 Problems → |
| 2026 Mazda CX-9 | 0 | 0 | 0 | View 2026 Problems → |
Detailed NHTSA Component Breakdown for 2015 Mazda CX-9
Complete distribution of consumer defect reports across all 17 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Reported Injury Entries | Reported Fatality Entries |
|---|---|---|---|---|---|
| Engine NHTSA category: ENGINE | 11 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 5 | 0 | 0 | 2 | 0 |
| Air Bags NHTSA category: AIR BAGS | 2 | 1 | 0 | 3 | 0 |
| EXTERIOR LIGHTING | 2 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 2 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ELECTRONIC STABILITY CONTROL (ESC),SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| Engine & Cooling NHTSA category: ENGINE AND ENGINE COOLING | 1 | 0 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| SEAT BELTS,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Seats & Restraints NHTSA category: SEATS | 1 | 0 | 0 | 0 | 0 |
| STEERING,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Visibility / Glass NHTSA category: VISIBILITY | 1 | 0 | 0 | 0 | 0 |
| Visibility & Wipers NHTSA category: VISIBILITY/WIPER | 1 | 0 | 0 | 0 | 0 |
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.