2009 Mazda CX-9 Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2009 Mazda CX-9, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Brakes1727.0%
- Airbags1625.4%
- Powertrain (other)69.5%
- Suspension69.5%
- Engine57.9%
- Tires & wheels34.8%
- Seat belts23.2%
- Exterior lighting23.2%
- Steering23.2%
- Other / unspecified23.2%
- Visibility11.6%
- Driver assistance11.6%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
MY BRAKES STARTED FEELING SPONGY BUT HARD TO PUSH WHEN I WOULD TRY TO COME TO A STOP. IT FELT AT TIMES LIKE MY CAR WASN'T GOING TO STOP. I STOPPED DRIVING IT AND THE BRAKE BOOSTER WAS REPLACED. AT THAT TIME, I LOST BRAKES COMPLETELY. THE BRAKE PEDDLE GOES ALL THE WAY TO THE FLOOR WHEN PRESSED. HOPEFULLY THE BOOSTER IS A BAD ONE.
I HAVE A PROBLEM WITH THE BRAKE LIGHT SWITCH. IT WORKS FOR AWHILE AND THEN STOPS WORKING. WHEN I PRESS THE BRAKE PEDAL THE BRAKE LIGHT MAY OR MY NOT COME ON AND THAT IS WHILE SITTING STILL OR WHILE THE CAR IS MOVING. I HAVE REPLACED THE SWITCH SEVERAL TIMES.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
TAKATA RECALL, I CALLED MAZDA AMERICA ON OR AROUND MARCH 1, 2019 ABOUT THIS RECALL, I EXPLAINED I WOULD NEED A VEHICLE TO USE AS THEY FIXED IT, THE LADY ON THE PHONE EXPLAINED THAT THERE DEALER IN HUNTERSVILLE NC WOULD NOT HAVE A VEHICLE TO LOAN FOR THREE OR FOUR DAY AND THAT THE DEALERSHIP WOULD CALL ME, ITS NOT THE 25TH OF MARCH AND NO PHONE CALLS FRON MAZDA OR THERE DEALER!
TAKATA RECALL VIN: [XXX] I HAVE REPEATEDLY CALLED THE DEALERSHIP (SUBURBAN AUTO COLLECTION OF TROY - MICHIGAN) SUBURBAN MAZDA OF TROY FOR THE PAST 1-2 YEARS ASKING THEM TO CHECK AND SEE IF OUR VEHICLE IS ON THE TAKATA AIRBAG RECALL LIST AND THEY HAVE CONFIRMED EVERYTIME THAT IT WAS NOT. I CHECKED THE NHTSA WEBSITE AND CONFIRMED THAT THEIR IS AN ACTIVE RECALL ON THE AIRBAG FOR OUR CX-9. WE WERE NOT CALLED OR INFORMED (AS THEY SAID THEY WOULD DO). WE DID NOT RECEIVE THE PROPER NOTIFICATION FROM TAKATA OR THE MAZDA DEALERSHIP. OUR VEHICLE WAS EITHER APART OF THE RECALL FROM THE START OR IT WAS ADDED LATER WHEN THE RECALL WAS EXPANDED, HOWEVER WE NEVER RECEIVED ANYTHING TELLING US TO HAVE THE AIRBAG INFLATOR REPLACED. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
WHILE PULLING A SMALL TRAILER THE CAR STOPPED UNABLE TO DRIVE THE CAR ACCORDING TO THE MECHANIC THE TRANSFER CASE SHATTERED INTO PIECES
TL* THE CONTACT OWNS A 2009 MAZDA CX-9. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE LOST ACCELERATION AND A RATTLING NOISE WAS HEARD. THE CONTACT HAD TO COAST THE VEHICLE OVER TO THE ROAD SHOULDER TO A COMPLETE STOP. THE VEHICLE WAS RESTARTED AND DRIVEN TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DETERMINED THAT THE TRANSFER CASE WAS FRACTURED AND NEEDED REPLACEMENT. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 125,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
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 issue however, the vehicle was not diagnosed or repaired. The contact referenced NHTSA Campaign Number: 15V451000 (Suspension) as a possible solution for the failure; however, the VIN was not included. The manufacturer was not made aware of the failure. The failure mileage was approximately 120,000.
I RECEIVED A NOTICE THAT WATER MAY ENTER THE FRONT SUSPENSION LOWER ARM BALL JOINT FITTINGS DURING DRIVING. NOTHING HAS HAPPENED SINCE RECEIVING A NOTICE IN SEPTEMBER 2015. THEY SAID PARTS ARE NOT AVAILABLE AND THEY WILL NOTIFY ME WHEN THEY ARE AVAILABLE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
The contact owns a 2009 Mazda CX9. The contact stated while driving at an undisclosed speed, the hot engine temperature warning light illuminated. The contact pulled over and added coolant to the reservoir and waited for the engine to cool down. The warning light remained illuminated. The contact was concerned that the failure was related to the water pump on the vehicle not working as needed. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 120,000.
OIL AND COOLANT MIXED TOGETHER AND CAUSE ENGINE TO DIE WITH A SERVICE CODE OF P0016 WHICH MEANS PER THE DEALER THAT THE ENGINE NEEDS TO BE REPLACED. I BOUGHT THIS CAR BRAND NEW AND HAD IT SERVICE BY MAZDA DEALERSHIP CONSISTENTLY. THIS IS COMMON ISSUE AND MAZDA MANUFACTURER SHOULD BE COVER THIS ISSUE FOR CUSTOMERS.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
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 sidewall deformities on this tire model, same plant, but in a different sizes. February 26, 2021 cooper tires has issued yet another safety recall on this exact model tire but in a different size. The 2 cooper evolution HT tires seem to also have sidewall defects. I feel that the bulging tires are a safety hazard due to manufacturing defects. I would like to have my 245/60r18 cooper evolution as well as all of the other sizes of this model tire made by cooper, futher reviewed to the recall list
WHILE DRIVING UNDER NORMAL, DRY CONDITIONS ON HIGHWAY 540 IN NORTH CAROLINA, MY RIGHT REAR COPPER CS5 ULTRA TOURING TIRE CATASTROPHICALLY FAILED AND SEPARATED THE TREAD COMPLETELY FROM THE SIDEWALL OF THE TIRE ON MY 2009 MAZDA CX-9.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
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 contacted. The failure mileage was 217,400.
TL* THE CONTACT OWNS A 2009 MAZDA CX-9. WHILE PARKED, THE FRONT PASSENGER SIDE SEAT BELT BECAME INOPERABLE WITHOUT WARNING. THE FAILURE RECURRED ON ONE OCCASION. THE VEHICLE WAS NOT TAKEN TO A DEALER OR INDEPENDENT MECHANIC. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 50,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
THE LOW BEAM HEADLAMP CONNECTOR ON THE PASSENGER SIDE MELTED INSIDE THE HEADLIGHT CAUSING THE LIGHT TO FAIL. NOW THE DRIVER SIDE HAS DONE THE EXACT SAME THING CAUSING THE LIGHT TO FAIL. THIS COULD CREATE A SERIOUS INJURY AND REQUIRES THE REPLACEMENT OF A DEFECTIVE LIGHT CONNECTOR. *TR
RE: MAZDA CORPORATE FILE NUMBER [XXX] I WANT TO MAKE A COMPLAINT THAT MAZDA USA AND FREMONT MAZDA DEALER DECLINED A VALID DEFECT REAR LED TAIL LIGHTS WHEN I EXERCISE IT THROUGH MAZDA FACTORY NEW CAR WARRANTY. I HAVE ALREADY CONTACT MAZDA CORPORATE FOR THIS DEFECT PROBLEM AND WORKED THROUGH THE LOCAL MAZDA DEALER (FREMONT MAZDA) TO DIAGNOSE THE PROBLEM. FREMONT MAZDA DISHONESTLY DECLINED THE VALID DEFECT PROBLEM AND WHEN I LATER TRYING TO SHOW THE DEFECT EVIDENCE (PICTURES) TO MAZDA USA, MAZDA USA CORPORATE CHOSE TO IGNORE ME AND CONCURRED WITH THE MAZDA DEALER'S DIAGNOSIS. EACH OF 2009 MAZDA CX-9 LED TAIL LIGHT HAS 12 LED PIXELS. EACH LED TAIL LIGHT HAS A FEW CROOKED LED PIXELS ARE DIM AND AIMED AT THE SKY AND GROUND BUT NOT TO THE TRAFFIC BEHIND. A DRIVER DIRECTLY BEHIND MY CX-9 ONLY CAN SEE ABOUT 2/3 LED PIXELS (8 OUT OF 12) AND THE OTHER LED PIXELS ARE DARK. THE CROOKED LED ARE LIT BUT YOU CAN ONLY SEE THAT DIRECTLY LOOKING DOWN FROM TOP OF THE CAR OR VICE VERSA. I BELIEVE THIS LED TAIL LIGHTS DEFECT IS A VALID SAFETY CONCERN. LED HAS A DISCRETE AND NARROW LIGHT PATTERN COMPARES TO THE INCANDESCENT BULBS. A GOOD SET OF LED TAIL LIGHT SHOULD HAVE ALL ITS PIXELS AIMED TO THE TRAFFIC BEHIND, NOT TO THE SKY AND GROUND. HOWEVER, MAZDA (BOTH THE DEALER AND USA CORPORATE) REFUSED TO TAKE MY CONCERN SERIOUSLY AND REFUSED TO WORK WITH THEIR CONSUMERS. I REASONABLY DOUBT THEY STRATEGICALLY WORK TOGETHER TO REJECT A VALID SAFETY CONCERN THAT MIGHT POTENTIALLY CAUSE MAZDA USA MORE TROUBLE DOWN THE ROAD. POSSIBLY THEY THINK I WILL WALK AWAY QUIETLY JUST BY REJECTING MY REQUEST. I AM MORE THAN HAPPY TO PROVIDE THE PICTURES OF THE BAD LED PIXELS UPON REQUEST. I AM ALSO HOPING IF A THIRD PARTY PROFESSIONAL SPECIALIST CAN TAKE A LOOK OF THE BAD TAIL LIGHTS SO A SOUND JUDGEMENT CAN BE MADE. I WANT A SET OF NOT DEFECTED NEW LED TAIL LIGHTS. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).*TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
WHILE TRAVELING @ ABOUT 15 MPH MADE A RIGHT TURN UP A ONE WAY STREET, CAR MADE A LOUD THUMP SOUND AND LURCHED FORWARD. AT WHICH POINT THE CAR STOPPED AND I WAS NOT ABLE TO MOVE BACK OR FORWARD. EXITED VEHICLE TO FIND DRIVER SIDE WHEEL BROKE OFF AND MOVED FORWARD IN THE WHEEL WELL. MAZDA ROADSIDE WAS CALLED AND FLATBED SERVICE ARRANGED. CAR IS WELL MAINTAINED AND ONLY HAS 74,000 MILES. MAZDA NEEDS TO ACT QUICKLY ON THIS RECALL ISSUE BECAUSE SOME ONE IS GOING TO GET SERIOUSLY INJURED OR KIILLED (DRIVING AT HIGHWAY SPEEDS)
TL* THE CONTACT OWNS A 2009 CX-9. THE CONTACT STATED THAT WHILE TRAVELING 40 MPH, THE VEHICLE BEGAN TO SHAKE AND VEER TO THE LEFT ABNORMALLY. THE VEHICLE SHORTLY BEGAN TO OPERATE NORMALLY. THE VEHICLE WAS ABLE TO BE DRIVEN TO THE CONTACT'S RESIDENCE AND WAS LATER TAKEN TO THE DEALER WHERE THE FAILURE COULD NOT BE DUPLICATED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED ABOUT THE ISSUE. THE FAILURE AND CURRENT MILEAGES WERE 56,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
WHILE TRAVELING @ ABOUT 15 MPH MADE A RIGHT TURN UP A ONE WAY STREET, CAR MADE A LOUD THUMP SOUND AND LURCHED FORWARD. AT WHICH POINT THE CAR STOPPED AND I WAS NOT ABLE TO MOVE BACK OR FORWARD. EXITED VEHICLE TO FIND DRIVER SIDE WHEEL BROKE OFF AND MOVED FORWARD IN THE WHEEL WELL. MAZDA ROADSIDE WAS CALLED AND FLATBED SERVICE ARRANGED. CAR IS WELL MAINTAINED AND ONLY HAS 74,000 MILES. MAZDA NEEDS TO ACT QUICKLY ON THIS RECALL ISSUE BECAUSE SOME ONE IS GOING TO GET SERIOUSLY INJURED OR KIILLED (DRIVING AT HIGHWAY SPEEDS)
WHEN I BOUGHT THE CAR I NOTED WITH THE DEALERSHIP THAT THE FRONT, WHEELS WHERE SQUEALING AND SKIRTING AS YOU TURN THE CORNER AT LOW SPEED, THEY SEEM TO WEAR QUICKLY AS WELL SINCE I'VE OWNED THE VEHICLE (2012) AND HAVE HAD THEM REPLACED TWICE AND REALIGNED, ALSO THE FOLLOWING YEAR AFTER PURCHASING THE CAR, WHEN IT SNOWED FREQUENTLY, THE ABS LIGHT STAYED ON CONSTANTLY AND SEEMED TO FEEL REALLY GRITTY WHILE PUMPING THE BREAKS IN THE SNOW, CAUSING THE CAR NOT TO BREAK EVEN AT LOW SPEEDS, THERE IS A RATTLING EVERY ONCE IN A WHILE THAT BECAME ASSOCIATED AFTER THE ABS LIGHT CAME ON, WHICH IS ON TO THIS DAY ALONG WITH THE TCS LIGHT, THE TRANSFER CASE FAILED AND ALMOST CAUSED A TERRIBLE ACCIDENT IN 2014 AS IT BEGAN TO WHINE AND EVENTUALLY LOCKED UP ON ME AS I DROVE TO WORK, THE MECHANIC REPLACED BOTH FRONT WHEEL BEARINGS THINKING THAT IT WAS ALSO A PROBLEM BUT WHEN I TOWED IT BACK TO THEM HE CONFIRMED THAT IT WAS THE TRANSFER CASE, HE REPAIRED IT THIS YEAR BUT MAZDA SAYS ITS LEAKING AGAIN AND IT SMELLS LIKE OIL. MY CAR ONLY HAS A LITTLE OVER 80K MILES AND I'VE RESEARCHED COMPLAINTS ON THE TRANSFER CASE AND MANY PEOPLE SEEM TO HAVE THE SAME PROBLEM, THIS IS VERY DANGEROUS AND NEEDS TO BE ADDRESSED ASAP. THESE THREE ISSUES MAY BE RELATED TO EACH OTHER IF SOMEONE REALLY TOOK THE TIME TO INVESTIGATE. NO WAY A CAR SHOULD HAVE CONCERNS LIKE THIS CONSISTENTLY UNDER 80K MILES. I WORK ONLY 18 MINUTES FROM MY JOB AND DO NOT TRAVEL THAT MUCH TO WEAR THIS VEHICLE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2009 MAZDA CX-9. WHILE DRIVING 65 MPH WITH THE SUN ROOF OPENED AND THE SHADE PULLED BACK 3/4 OF THE WAY, THE SUN ROOF FRACTURED UNEXPECTEDLY WITHOUT WARNING. THE VEHICLE WAS OCCUPIED BY THE OWNER, A PASSENGER (WIFE), AND TWO CHILDREN UNDER THE AGES OF 8. THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER (OPEN ROAD MAZDA OF MORRISTOWN, 108 RIDGEDALE AVE, MORRISTOWN, NJ 07960) WHERE IT WAS DETERMINED THAT THEY WOULD NOT COVER THE COST OF THE SUN ROOF. THE MANUFACTURER STATED THAT THEY WERE AWARE OF THE FAILURE; HOWEVER, THERE WAS NO RECALL OR FAILURE BEING INVESTIGATED. THE MANUFACTURER ALSO INFORMED THE CONTACT THAT THE VEHICLE WAS OUT OF WARRANTY AND PROVIDED NO FURTHER ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 125,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
THE TACHOMETER OF THE CAR STICKS IN HIGH REVS (1500-2500),ENGINE ON, CAR IN NEUTRAL, FOOT OFF THE GAS PEDAL, IF THE CAR IS MOVING OVER 20-25MPH (EITHER BY FREE FALLING A HILL OR BEING PULLED) THE TACHOMETER VARIES THE RPM READING TO MATCH SPEED JUST AS IF THE CAR WOULD BE IN 'D' POSITION. I THINK THE ECU HAS A GLITCH OF SOME SORT THAT IGNORES THE GAS PEDAL AND THE SHIFT POSITION IF THE CAR IS MOVING. TAKEN TO THE DEALERSHIP AND THEY SAID CAR IS WORKING AS DESIGNED, THAT THE CAR WILL KEEP RPMS TO MATCH SPEED IN TO AVOID A ENGINE SLOWDOWN OR SOMETHING SIMILAR. MY CONCERN IS THAT THE ECU SHOULD BEHAVE AS EXPECTED SO SHOULD THE TACHOMETER READ 600-800 RPM WHEN IDLING, REGARDLESS OF THE SPEED OF THE CAR IF THE TRANSMISSION IS IN NEUTRAL, IF NOT AT ANY TIME THE ECU MAY DECIDE IT SHOULD REV UP THE ENGINE IF THE SPEED SENSOR GOES BAD. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .