2017 Mazda CX-9 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
61 owner complaints analyzed
0 distinct recall campaigns
33,500 mi median reported failure mileage
Scope: 2017 model year. Data snapshot: . 5 complaints include usable failure mileage.
Most common problems
Engine is the most frequently named component, appearing in 43 of 61 complaints (70.5%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Engine operation | 4 | 6.6% |
| Fuel system concerns | 4 | 6.6% |
| Braking behavior | 3 | 4.9% |
| Electrical and battery issues | 3 | 4.9% |
| Steering behavior | 2 | 3.3% |
| Transmission and shifting | 1 | 1.6% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 43 |
| Unknown Or Other | 9 |
| Fuel/Propulsion System | 6 |
| Power Train | 4 |
| Suspension | 4 |
| Electrical System | 2 |
| Forward Collision Avoidance: Automatic Emergency Braking | 2 |
| Steering | 2 |
Engine: 43; Unknown Or Other: 9; Fuel/Propulsion System: 6; Power Train: 4; Suspension: 4; Electrical System: 2; Forward Collision Avoidance: Automatic Emergency Braking: 2; Steering: 2
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 2 |
| 25,000 to 49,999 | 2 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 2; 25,000 to 49,999: 2; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (2). 56 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 11 |
| 2023 | 19 |
| 2024 | 16 |
| 2025 | 5 |
| 2026 | 2 |
2018: 2; 2019: 1; 2020: 1; 2021: 4; 2022: 11; 2023: 19; 2024: 16; 2025: 5; 2026: 2
Pattern summary
Engine leads the component reports. Engine operation appears in 4 complaint narratives. Fuel system concerns appears in 4 complaint narratives. Braking behavior appears in 3 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11517947 · 2023-04-19 (April 19, 2023)
Driving home the car said 26 miles to E. while in gear going down the road it popped engine system malfunction and the whole car shut off and wouldn't start. Didn't drive the vehicle for 2 days- filled the gas tank and it drove fine for 5 days. Day 6- 4/8/2023, fine driving down the highway 45 minutes. Go down about a mile and it still doesn't seem right, I move lanes and the thermostat light starts flashing at 260, as soon as I make the turn it tells me to pull over and turn the car off-it was at 270. Go to drive across the street to get coola…
Owner-reported narrative. Look up ODI 11517947 at NHTSA ↗
Owner report 11554235 · 2023-11-08 (November 8, 2023)
coolant leaks from cracked cylinder head which cause the car to overheat and have the engine stalled on the highway.
Owner-reported narrative. Look up ODI 11554235 at NHTSA ↗
Owner report 11447878 · 2022-01-18 (January 18, 2022)
Driving Eastbound on I470 Wheeling WVA going uphill toward Exit 10 Cabela Rd the car lost power and could not get off the roadway. The engine failed and the car lost power steering. Could not start the car. The car would turn over, but the engine and battery light were on. The car was sideways in the right lane of traffic unable to be started. State Patrol was called to the area and the vehicle was towed to a Mazda dealer. Mazda dealer determined that the PCM (powertrain control module (PCM) has detected a malfunction in the fuel pump control…
Owner-reported narrative. Look up ODI 11447878 at NHTSA ↗
Owner report 11172860 · 2019-01-29 (January 29, 2019)
AFTER DRIVING FOR APPROXIMATELY 1 HR, WARNING MESSAGE FOR FRINT CAMERA AND AUTO BRAKE MALFUNCTION ILLUMINATED. POWER WAS DECREASED QUICKLY, NOT EVEN ENOUGH TINE TO PULL OFF THE ROAD. VEHICLE WAS DISABLED IN FAST LANE OF 4 LAND HIGHWAY. WHILE WAITING FOR TOW TRUCK, AFTER ABOUT AN HOUR THE VEHICLE RESTARTED, CHECK ENGINE LIGHT WAS ILLUMINATED BUT VEHICLE WAS OPERATING NORMALLY. CALLED MAZDA DEALER TO CANCEL TOW AND ADVISE I WOULD DRIVE TO DEALERSHIP. HEADED TO DEALERSHIP, ABOUT 45 MINUTES AWAY, CAR DID SAME THING, JUST CUT OUT LEAVING ME STRANDED…
Owner-reported narrative. 40,069 miles reported. Look up ODI 11172860 at NHTSA ↗
Owner report 11461594 · 2022-04-21 (April 21, 2022)
On several occasions, the system would activate the panic braking while driving at low speeds in a few different situations. One situation is while pulling into a 2 car garage with objects along the garage walls, i.e. shelves in front of vehicle, lawn equipment on the side, grill on opposite side. While entering the garage the system would engage well before the front of vehicle is close to the shelving. Another occasion happened in a parking lot while driving at low speeds with no other vehicles or objects near the vehicle.
Owner-reported narrative. Look up ODI 11461594 at NHTSA ↗
Owner report 11509961 · 2023-03-03 (March 3, 2023)
My vehicle has several issues related to a water pump failure in which the check engine light did not remain on. The vehicle began to over heat and slow down on the highway/ roads despite having my foot on the gas. My vehicle is now at Heritage Mazda Catonsville and unable to be read by the OBD reader which may be related to a weak wiring harness reported by other owners of the CX9. It also my be why my check engine light is not on despite having an engine issue. Many others have reported a failed water pump which caused cracks in the head whi…
Owner-reported narrative. Look up ODI 11509961 at NHTSA ↗
Owner report 11704433 · 2025-12-11 (December 11, 2025)
The car was jump start due to a bad battery it cold and the light was left on. Right after the jump start a check engine light can on. When I put the vehicle in drive to turn the steering wheel it violently snapped bad and broken one of my finger nail. I tried aging in disbelief it happened aging this shouldn't be happening it could've broke my fingers.
Owner-reported narrative. Look up ODI 11704433 at NHTSA ↗