NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
104 reports55,000 miles · Aug 17, 2020
Service Brakes
MY WIFE AND DAUGHTERS TOOK A TRIP, AND ON THE WAY HOME, THE ENGINE LIGHT CAME ON. WHEN TURNING ON THE ENGINE TO CHECK THE ENGINE LIGHT, I NOTICED THAT THE BRAKE PEDAL WAS HARD. I WAS THINKING THE ENGINE LIGHT HAD TO DO WITH THE GAS CAP NOT BEING ON TIGHT SINCE FAMILY PURCHASED GAS ON THE TRIP BACK HOME. I DROVE THE CX-9 TO AUTOZ…
Read full complaint
MY WIFE AND DAUGHTERS TOOK A TRIP, AND ON THE WAY HOME, THE ENGINE LIGHT CAME ON. WHEN TURNING ON THE ENGINE TO CHECK THE ENGINE LIGHT, I NOTICED THAT THE BRAKE PEDAL WAS HARD. I WAS THINKING THE ENGINE LIGHT HAD TO DO WITH THE GAS CAP NOT BEING ON TIGHT SINCE FAMILY PURCHASED GAS ON THE TRIP BACK HOME. I DROVE THE CX-9 TO AUTOZONE TO DETERMINE THE CODE FOR THE ENGINE LIGHT. THE ATTENDANT AT AUTOZONE WAS UNABLE TO REGISTER A CODE. HOWEVER, I NOTICED THE BRAKES FELT DIFFERENT ON THE DRIVE TO AUTOZONE. ALTHOUGH I HAD TO APPLY MORE PRESSURE TO STOP, IT TOOK LONGER TO STOP. IT ROLLED TO A STOP. WHEN I GOT BACK HOME, I HEARD A HISSING SOUND COMING FROM UNDER THE DASHBOARD. MAZDA'S OWNER'S MANUAL REGARDING THE ENGINE LIGHT INDICATES 1.) THE FUEL TANK LEVEL BEING VERY LOW, 2.) POSSIBLE ELECTRICAL SYSTEM PROBLEM, 3.) EMISSION CONTROL PROBLEM, OR 4.) FUEL FILLER CAP IS MISSING OR LOSE. THE NEXT MORNING I DROVE THE CX-9 TO SEE IF TIGHTENING THE GAS CAP WOULD CORRECT THE ENGINE LIGHT. DURING THE DRIVE, THE BRAKING SEEMED DIFFERENT. I WOULD PRESS THE BRAKE, BUT THE VEHICLE WOULD ROLL TO A STOP INSTEAD OF STOPPING. WHEN I WAS APPROACHING A CAR STOPPED AT A RED LIGHT, I HAD TO PRESS THE BRAKE VERY HARD TO AVOID THE VEHICLE. I PARKED IT AND CALLED THE LOCAL MAZDA DEALER. AFTER THEY PERFORMED A DIAGNOSTIC TEST, THE BRAKE BOOSTER WAS DETERMINED TO BE FAULTY. I WAS CONFUSED ABOUT HOW A BRAKE BOOSTER AND AN ENGINE LIGHT CORRELATES. I'M ALSO TRYING TO UNDERSTAND WHY THE BRAKE SYSTEM WARNING LIGHT WAS NOT ACTIVATED SINCE THIS RELATES TO THE BRAKING SYSTEM. AFTER ADDITIONAL RESEARCH, I'M IN COMPLETE DISBELIEF THAT MAZDA IS AWARE, AND IT HAS NOT DECIDED TO ADDRESS THIS SAFETY ISSUE. PLEASE TAKE ACTION TO HAVE MAZDA RECALL THE BRAKE BOOSTERS TO ADDRESS THIS ISSUE SINCE IT'S AWARE THE PROBLEM IS AN EQUIPMENT/MATERIALS ISSUE.
NHTSA ODI #11349951
55,000 miles · Apr 28, 2020
Fuel/propulsion SystemUnknown Or Other
I JUST PURCHASED MY VEHICLE ABOUT 3 MONTHS AGO. I WAS RUNNING ERRANDS ABOUT A WEEK AFTER PURCHASE AND WAS HEADING HOME ON THE HIGHWAY WHEN THE GAS NOTIFICATION CAME ON DISPLAYING 27 MILES LEFT AND ADVISED ME TO GET GAS. I WAS ABOUT HALF MILE FROM THE EXIT AND THE VEHICLE CHECK ENGINE LIGHT CAME ON AND IT STARTED STALLING. THANK …
Read full complaint
I JUST PURCHASED MY VEHICLE ABOUT 3 MONTHS AGO. I WAS RUNNING ERRANDS ABOUT A WEEK AFTER PURCHASE AND WAS HEADING HOME ON THE HIGHWAY WHEN THE GAS NOTIFICATION CAME ON DISPLAYING 27 MILES LEFT AND ADVISED ME TO GET GAS. I WAS ABOUT HALF MILE FROM THE EXIT AND THE VEHICLE CHECK ENGINE LIGHT CAME ON AND IT STARTED STALLING. THANK FULLY I WAS ABLE TO GET OVER TO THE MEDIAN JUST IN TIME WHEN IT SHUT DOWN COMPLETELY. I CALLED ROADSIDE AND THE DEALER AND EXPLAINED WHAT HAPPENED. I HAD IT TOWED BACK TO THE DEALER AND THEY ADVISED ME IT WAS BECAUSE I RAN OUT OF GAS. I EXPLAINED IT HAD A QUARTER OF A TANK AND DISPLAYED 27 MILES LEFT AND IT DIDN'T EVEN GIVE ME 1 MILE TO GET OFF THE EXIT. IT HAPPENED TO MY HUSBAND AS WELL RECENTLY AND I SPOKE TO A CERTIFIED MAZDA DEALER AND THEY EXPLAINED IT COULD BE THAT THE GAS TANK HAS A DENT CAUSING THE READING TO BE OFF OR ONE OF TWO FLOATS COULD BE DAMAGED AND NOT READING CORRECTLY. I WAS ADVISED THIS WAS A COMMON ISSUE WITH MY YEAR BUT IT'S NOT ON A RECALL. I USUALLY GET GAS WHEN IT HITS A QUARTER OF A TANK BUT NOW I'M AFRAID THAT I DO IT AT A HALF A TANK. THIS SHOULD BE A RECALL PROBLEM AS IT CAUSES THE CAR TO STALL IMMEDIATELY WHICH IS DANGEROUS. I HAD KIDS IN MY VEHICLE IN AN ICE STORM...I NEED TO HAVE THIS FIXED BUT IT'S WELL OVER $800.
NHTSA ODI #11322582
43,500 miles · Feb 25, 2020
Fuel/propulsion System
MY MAZDA CX-9 RAN OUT OF GAS ON A MAJOR HIGHWAY (ROUTE 90 IN BOSTON) AND THE GAS GAUGE READ HALF FULL. NO 'OUT OF GAS' LIGHT WENT ON AND RANGE (UNDER INFORMATION) SAID 191 MILES REMAINING. MY MAZDA DEALER TOLD ME THE SOFTWARE NEEDED TO BE RESET (NOT DONE YET AS OF THIS WRITING). IT IS A MAJOR ISSUE IF THE GAS GAUGE IS NOT RE…
Read full complaint
MY MAZDA CX-9 RAN OUT OF GAS ON A MAJOR HIGHWAY (ROUTE 90 IN BOSTON) AND THE GAS GAUGE READ HALF FULL. NO 'OUT OF GAS' LIGHT WENT ON AND RANGE (UNDER INFORMATION) SAID 191 MILES REMAINING. MY MAZDA DEALER TOLD ME THE SOFTWARE NEEDED TO BE RESET (NOT DONE YET AS OF THIS WRITING). IT IS A MAJOR ISSUE IF THE GAS GAUGE IS NOT READING PROPERLY AND THIS IS A SOFTWARE ISSUE (A BUG?). MAZDA NEEDS TO FIX THIS FOR ALL MAZDA'S AND ISSUE A RECALL SO IT DOES NOT HAPPEN AGAIN.
NHTSA ODI #11311330
34,000 miles · Jan 14, 2020
Fuel/propulsion System
WHILE DRIVING THE CAR IN THE 287 INTERSTATE HIGHWAY IN NEW JERSEY, I GOT THE CHECK ENGINE LIGHT OUT OF THE BLUE AND THE CAR STARTED DECELERATING IN THE HIGH SPEED LANE. LUCKILY I WAS ABLE TO MANAGE AND GET THE CAR TO THE ROAD SIDE SHOULDER. I WAS NOT ABLE TO START THE CAR AFTER THIS INCIDENT. WE HAD TO TOW THE CAR TO THE MAZDA S…
Read full complaint
WHILE DRIVING THE CAR IN THE 287 INTERSTATE HIGHWAY IN NEW JERSEY, I GOT THE CHECK ENGINE LIGHT OUT OF THE BLUE AND THE CAR STARTED DECELERATING IN THE HIGH SPEED LANE. LUCKILY I WAS ABLE TO MANAGE AND GET THE CAR TO THE ROAD SIDE SHOULDER. I WAS NOT ABLE TO START THE CAR AFTER THIS INCIDENT. WE HAD TO TOW THE CAR TO THE MAZDA SERVICE CENTER IN GREENBROOK, NEW JERSEY. AFTER RUNNING THE CAR DIAGNOSTICS (ERROR CODE - P0192), THEY INFORMED ME THAT THEY HAD TO UPDATE THE PCM (POWER CONTROL MODULE) SOFTWARE. THATS THE ONLY EXPLANATION WHICH THEY GAVE WHICH MADE NO REAL SENSE. THEY DID NOT PROVIDE ANY INFORMATION WHY THIS ISSUE OCCURRED AND WHAT WAS DONE TO MAKE SURE THIS ISSUE DOES NOT OCCUR IN THE FUTURE.
NHTSA ODI #11299308
67,000 miles · Dec 18, 2019
Electrical System
WITH NO WARNING THE SMART BRAKE SYSTEM MALFUNCTION AND THE FRONT RADAR SYSTEM MALFUNCTION WARNINGS COME ON AND I AM UNABLE TO USE THE CRUISE CONTROL. IN ADDITION THE PARKING BRAKE LIGHT COMES ON AND THE PARKING BRAKE IS NOT ON AS I AM DRIVING.
NHTSA ODI #11289823
60,000 miles · Oct 21, 2019
Service Brakes
BOTH REAR BRAKES LOCKED UP ON SEPARATE OCCASION WHILE DRIVING ON THE FREEWAY AT ABOUT 70 MPH. EACH TIME THE BRAKE ENGAGED THEMSELVES AND LOCKED ONTO THE DISK/ROTOR. THIS CAUSED THE PADS TO BURN UP AND PRODUCE A LARGER QUANTITY OF SMOKE. ON ONE OCCASION THE ROTOR BECAME RED HOT, FLAME WAS VISIBLE, LOTS OF SMOKE WAS BEING PRODUCE…
Read full complaint
BOTH REAR BRAKES LOCKED UP ON SEPARATE OCCASION WHILE DRIVING ON THE FREEWAY AT ABOUT 70 MPH. EACH TIME THE BRAKE ENGAGED THEMSELVES AND LOCKED ONTO THE DISK/ROTOR. THIS CAUSED THE PADS TO BURN UP AND PRODUCE A LARGER QUANTITY OF SMOKE. ON ONE OCCASION THE ROTOR BECAME RED HOT, FLAME WAS VISIBLE, LOTS OF SMOKE WAS BEING PRODUCED, AND IT WARPED ROTOR. EVERY TIME IT OCCURRED I STOPPED THE VEHICLE AND TURNED IT OFF. AFTER THE RESTART OF THE VEHICLE THE BRAKES WERE NOT LOCKED BUT THE VEHICLE WOULD SHAKE AS NOW THE ROTORS WERE WARPED AN THE PADS WERE DESTROYED. I TOOK MY VEHICLE TO THE MAZDA DEALERSHIP AND THEY INFORMED ME THAT I NEEDED NEW PADS, I DID BUT IT WAS DUE TO THE REAR BRAKES LOCKING UP ON THEIR OWN. I GOT THE PADS REPLACED AND 6 MONTHS LATER IT HAPPENED AGAIN. THIS TIME I RECORDED A VIDEO ON MY PHONE AND SHOWED THE DEALER SHIP WHAT I EXPERIENCED AGAIN. THIS TIME THEY INFORMED THAT I NEEDED, NEW BRAKE PADS(AGAIN), ROTORS, AND PISTON BUT THEY DID NOT ADDRESS WHAT IS CAUSING THE REAR BRAKES ONLY TO LOCK UP ON THEIR OWN CREATING EXCESSIVE WEAR AND DAMAGE TO THE BRAKE COMPONENTS. SOMETHING IS AND CONTINUES TO ENGAGE MY REAR BRAKES. IT LAST OCCURRED ON 10-04-19 AND IT HAS ONLY BEEN 3 DAYS SINCE THE MAZDA DEALER REPLACED THE DAMAGED PARTS AND UNDER HARD BRAKING THE VEHICLE CONTINUES TO SHAKE WHICH ARE EARLY SIGNS OF WHAT HAPPENED BEFORE, SO ITS ONLY A MATTER OF TIME BEFORE IT OCCURS AGAIN.
NHTSA ODI #11270101
26,000 miles · Oct 15, 2019
Power TrainStructureInjury
DRIVER STOPPED VEHICLE IN A DRIVEWAY WITH MINIMAL SLOPE, SHIFTED THE VEHICLE IN PARK, TURNED OFF THE VEHICLE AND EXITED. DRIVER PROCEEDED TO REAR PASSENGER DOOR TO RETRIEVE 1 YEAR OLD FROM CAR SEAT. AFTER RETRIEVING CHILD FROM CAR SEAT, DRIVER FELT REAR PASSENGER DOOR PUSHING INTO HER LEG, BACK AND HEAD. VEHICLE PROCEEDS TO ROLL…
Read full complaint
DRIVER STOPPED VEHICLE IN A DRIVEWAY WITH MINIMAL SLOPE, SHIFTED THE VEHICLE IN PARK, TURNED OFF THE VEHICLE AND EXITED. DRIVER PROCEEDED TO REAR PASSENGER DOOR TO RETRIEVE 1 YEAR OLD FROM CAR SEAT. AFTER RETRIEVING CHILD FROM CAR SEAT, DRIVER FELT REAR PASSENGER DOOR PUSHING INTO HER LEG, BACK AND HEAD. VEHICLE PROCEEDS TO ROLL OUT OF THE DRIVEWAY BACKWARD WHILE IN PARK. DRIVER AND CHILD ESCAPE VEHICLE'S REAR PASSENGER SIDE DOOR, WHICH IS PUSHING THEM ALONG IN THE VEHICLE'S PATH TOWARD RESIDENTIAL STREET. VEHICLE CONTINUES ROLLING IN PARK BACKWARD DOWN RESIDENTIAL STREET, THROUGH A 3-WAY STOP INTERSECTION, UP A CURB, THROUGH A YARD AND INTO A BUSH ON A PRIVATE PROPERTY. A WITNESS WHO HELPED RETRIEVE THE VEHICLE ON BEHALF OF THE DRIVER NOTED THE VEHICLE WAS STILL IN PARK WHEN HE TRIED TO REMOVE IT FROM THE BUSH. NO ONE WAS SEVERELY INJURED BUT DRIVER HAS SUSTAINED BRUISING ON LEG AND SEVERE EMOTIONAL DISTRESS.
NHTSA ODI #11268666
17,061 miles · Sep 30, 2019
Electrical SystemEngineFuel/propulsion System
11/16/18 TOWED FOR INOPERABILTY. STUCK FUEL INJECTOR/ RUINED ENGINE. ALL PANEL LIGHTS CAME ON. KEPT CAR FOR 57 DAYS. FUEL INJECTOR # 1 FAILED. WE WERE DRIVING ONTO INTERSTATE. WHILE WORKING ON CAR, EXHAUST STUD BROKE OFF INTO TURBO CHARGER HOUSING. DRILLED OUT AND RETHREADED TOOK BACK TO MAZDA DEALER TO C/O ABOUT SWOOSHING NOI…
Read full complaint
11/16/18 TOWED FOR INOPERABILTY. STUCK FUEL INJECTOR/ RUINED ENGINE. ALL PANEL LIGHTS CAME ON. KEPT CAR FOR 57 DAYS. FUEL INJECTOR # 1 FAILED. WE WERE DRIVING ONTO INTERSTATE. WHILE WORKING ON CAR, EXHAUST STUD BROKE OFF INTO TURBO CHARGER HOUSING. DRILLED OUT AND RETHREADED TOOK BACK TO MAZDA DEALER TO C/O ABOUT SWOOSHING NOISE IN R DASH SAID THEY DID NOT HEAR. THIS OCCURRING WITH ACCELERATION 2/7/19 WHILE DRIVING OUT OF STATE ON INTERSTATE , SWOOSHING NOISE R DASH LOST ACCELERATION WHILE PASSING. ST PETERS , MO DEALERSHIP HAD TO PUT BACK ON THE TURBO HOSE & CLAMP 5/6/19 BACK HOME AND AGAIN HEARD THE SWOOSH NOISE ON ACCELERATION. DEALERSHIP REPLACED GASKET TO TURBO CHARGER / AIR LEAK WITH SMOKE TEST 9/14/19 AGAIN BECAME INOPERATIVE WHILE DRIVING OUT OF STATE IMMEDIATELY AFTER PASSING LARGE TRUCK, LOST ACCELERATION WITH PEDAL TO CARPET. WAS TOLD IN LIMP MODE SMELLED SOMETHING IN CAR COMPARTMENT. STUCK ON NARROW COUNTY ROAD. LIMPED TO TURN OFF. ON INSPECTION BY TOW TRUCK PERSON, STATED WAS POURING GASOLINE FROM FRONT OF CAR. 'THIS COULD HAVE CAUGHT FIRE DUE TO 90+ DEGREE TEMP IN TEX. FUEL INJECTOR # 4 EXPLODED MECHANIC ON INSPECTION TOLD SERV MGR THIS CAR WAS PUT BACK TOGETHER IN A SHODDY MANNER. THE HOSE TO FUEL INJECTOR HAD PREVIOUSLY BEEN ROUTED WRONG WHEN ENGINE REPLACED. NOW WAITING ON MALFUNCTION OF FUEL INJECTOR 2&3. SCARED TO DRIVE CAR. C/O TO MAZDA CUSTOMER REP. HIS RESPONSE WELL U HAVE WARRANTY UNTIL 4/2024. THAT IS B/C WE TOOK EXTENDED WARRANTY. HOLLINGSWORTH MAZDA IN BATON ROUGE, LA CLOSED REASON UNKNOWN. *TR CONSUMER STATED ERROR TO VEHICLE SPEED INSTEAD OF 10-15 MPH.*JB
NHTSA ODI #11259133
30,400 miles · Jul 23, 2019
Electrical SystemEngineFuel System, Gasoline
IN 2017, MY CAR SHUT OFF TWO TIMES, WITHOUT WARNING, ONE TIME AT A STOP LIGHT AND AGAIN ON THE HIGHWAY GOING 70MPH. WE WERE ACCELERATING AT THE STOP LIGHT WHEN IT SHUT OFF AND THEN DRIVING ON THE HIGHWAY. TOOK THE CAR TO THE DEALERSHIP AND 72 CODES CAME UP. THEY SAID IT WAS THE DVD PLAYERS (THAT THEY SOLD AND INSTALLED!!!) THAT …
Read full complaint
IN 2017, MY CAR SHUT OFF TWO TIMES, WITHOUT WARNING, ONE TIME AT A STOP LIGHT AND AGAIN ON THE HIGHWAY GOING 70MPH. WE WERE ACCELERATING AT THE STOP LIGHT WHEN IT SHUT OFF AND THEN DRIVING ON THE HIGHWAY. TOOK THE CAR TO THE DEALERSHIP AND 72 CODES CAME UP. THEY SAID IT WAS THE DVD PLAYERS (THAT THEY SOLD AND INSTALLED!!!) THAT WERE CAUSING THE ISSUE. THEY SUPPOSEDLY 'FIXED' THE ISSUE. NOW IN JULY 2019, THE CAR SHUT OFF AN ADDITIONAL FIVE TIMES. THREE TIMES WHILE DRIVING AND TWICE IN A PARKING LOT. WE WERE ON A HIGHWAY AGAIN WHEN THE CAR JUST SHUT OFF WITH NO WARNING, LIGHTS ON THE DASH STARTED FLASHING, AND THE POWER STEERING WENT OUT ONE OF THE TIMES. MY HUSBAND HAD TO PUT IT IN NEUTRAL, COAST TO THE SHOULDER, COME TO A COMPLETE STOP AND THEN ATTEMPT TO START IT EACH TIME. CARS WERE DODGING US EVERY TIME AND LUCKILY WE WEREN'T HURT. MY CHILDREN WERE IN THE VEHICLE EVERY SINGLE TIME. WE HAD THE CAR TOWED TO THE DEALERSHIP WHERE 68 CODES CAME UP. THIS TIME THEY'RE SAYING IT'S THE FUEL PUMP AND THAT THEY CAN 'FIX' IT, BUT CAN'T 100% GUARANTEE IT WON'T HAPPEN AGAIN. WE WERE PUT IN A LIFE THREATENING SITUATION EVERY TIME, WITHOUT WARNING, AFTER GIVING THE DEALERSHIP A CHANCE TO FIX IT. THE CAR IS UNDER THREE YEARS OLD AND ONLY HAS 30,400 MILES ON IT.
NHTSA ODI #11234063
60,000 miles · Jul 22, 2019
EngineUnknown Or Other
FAILS TO ACCELERATE AND CHANGE GEARS. THIS HAS BEEN HAPPENING SINCE WE PURCHASED THE VEHICLE. IT HAS BEEN BACK TO THE DEALERSHIP MULTIPLE TIME AND HAS NOT BEEN RESOLVED. THEY ARE UNABLE TO FIND ANYTHING WRONG. THE ENGINE IS A 2.5 L TURBO. THIS HAPPENS UNEXPECTEDLY WHILE DRIVING MAKING IT HARD TO GET ON TO THE HIGHWAY OR CHA…
Read full complaint
FAILS TO ACCELERATE AND CHANGE GEARS. THIS HAS BEEN HAPPENING SINCE WE PURCHASED THE VEHICLE. IT HAS BEEN BACK TO THE DEALERSHIP MULTIPLE TIME AND HAS NOT BEEN RESOLVED. THEY ARE UNABLE TO FIND ANYTHING WRONG. THE ENGINE IS A 2.5 L TURBO. THIS HAPPENS UNEXPECTEDLY WHILE DRIVING MAKING IT HARD TO GET ON TO THE HIGHWAY OR CHANGE LANES.
NHTSA ODI #11233883