Home · 2015 Mazda Cx-90 Phev · Complaints

What 35 owners told NHTSA about the 2015 Mazda Cx-90 Phev

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (35)Crash / fire / injury (2)Engine (17)Brakes (3)Transmission & drivetrain (3)Airbags (2)Lights (2)Visibility & wipers (2)Electrical system (1)Electronic Stability Control (esc) (1)Engine & cooling (1)Fuel system (1)

Newest first · 35 complaints · page 2 of 2

Dec 4, 2018Brakes

MY BRAKE PEDDLE BEGAN HISSING AND MY VEHICLE DOES NOT WANT TO STOP WHEN IN MOTION, I TOOK MY VEHICLE TO A MAZDA DEALERSHIP AND THEY STATED IT WAS THE BRAKE BOOSTER WHICH IS A PROBLEM MAZDA HAS BEEN HAVING, BUT MY VEHICLE IS NOT IN THE YEARS SPECIFIED IN THE WARRANTY EXTENTION. THE DEALERSHIP STATED MAZDA IS NOT WILLING TO HELP OR FIX THE ISSUE, AND THAT WE WOULD HAVE TO PAY OUT OF POCKET. IT IS THE EXACT SAME PROBLEM THE EARLIER MODELS HAVE BEEN EXPERIENCING AND ARE BEING FIXED AND MINE IS NOT. MAXDA IS AWARE OF THIS DEFECT AND WILL NOT HELP ME. MY VEHICLE ONLY HAS 58K MILES AND SHOULD HAVE THESES ISSUES. THE HARD BRAKE PEDDLE AND HARD BRAKING OCCURS ON ROADWAYS, IN DRIVEWAYS ANYTIME THE VEHICLE IS MOVING. IT IS UNSAFE AND I HAVE AVOIDED SEVERAL COLLISIONS.

NHTSA ODI 11155966

Feb 11, 2018

BEARINGS IN FRONT OF VEHICLE MAKES MUCH NOISE. THE NOISE HAPPENS WHEN THE CAR IS IN MOTION WHILE TURNING THE STEERING WHEEL.

NHTSA ODI 11072194

Jul 11, 2017Electronic Stability Control (esc)Brakes

THE FRONT BRAKES MAKE A GRINDING NOISE WHEN REPEATEDLY APPLYING THE BRAKES WHEN GOING DOWNHILL OR SLOWING REPEATEDLY FROM SPEEDS OF 65 OR SO. I BELIEVE THE BRAKE PARTS BECOME HOT AND CREATE SOMETHING GOOGLE SEARCHES CALL "JUDDER". I HAVE HAD THE STEERING WILL START SHAKING AS WELL. AFTER REPEATED REQUESTS TO MAZDA CORPORATE AND VISITS TO TWO DEALERS, MAZDA CLAIMS THE BRAKES WORK AS DESIGNED. ONE SERVICE MANAGER AT BROWNING MAZDA STATED THE FRONT ROTORS ARE TOO SMALL TO STOP A CAR OF THIS WEIGHT, BUT THIS STATEMENT IS NOT WRITTEN. REGARDING THE VEHICLE STABILITY CONTROL, WHEN I TURN LEFT AND GO DOWNHILL FROM MY DRIVEWAY AT A SLOW SPEED OF APPROX 10MPH, I USUALLY HAVE NO THROTTLE CONTROL. I NEED TO APPLY THE BRAKES TO REGAIN ANY CONTROL OF THE THROTTLE. ONCE AGAIN TWO DEALERS TELL ME THIS IS WITHIN DESIGN SPECS. MAYBE THIS IS TRUE, HOWEVER, I HAVE NO WAY TO IMMEDIATELY GET OUT OF THE WAY OF OTHER CARS AS I HAVE TO BRAKE FIRST FOR THE THROTTLE TO RETURN. DOESN'T SEEM RIGHT TO ME. ALSO, MY COMBINED MPG IS ABOUT 13.7 WHEN MAZDA STATES IT SHOULD BE ABOUT 18. HOW CAN THEY MAKE SUCH A CLAIM LIKE THIS AND GET AWAY WITH IT. IT IS NOT JUST MY CX-9, MANY PEOPLE COMPLAIN ON THE INTERNET. AGAIN, MAZDA STATES THE CAR IS WITHIN SPECS.

NHTSA ODI 11004679

Apr 10, 2017Visibility & wipers

DRIVER SIDE EXTERIOR MIRROR VIBRATES AT HIGHER SPEEDS AND HAS NOTICEABLE SHAKING. SAFETY DISTRACTION WHILE DRIVING.

NHTSA ODI 10971729

Oct 19, 2016Airbags

TL* THE CONTACT OWNS A 2015 MAZDA CX-9. THE CONTACT STATED THAT THE AIR BAG WARNING LIGHT WOULD ILLUMINATE INDICATING THAT THE AIR BAG WAS NOT ACTIVATED DESPITE AN OPERATING IN THE SEAT. THE CONTACT INFORMED THE DEALER WHERE IT WAS VERIFIED THAT THE AIR BAGS WEIGHT REQUIREMENTS WERE IN FACT BEING MET HOWEVER, THE AIR BAG SENSOR FAILED TO DETECT THE OCCUPANT IN THE SEAT. THE FAILURE COULD NOT BE DETECTED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE MILEAGE WAS 6,500. UPDATED 01/11/2017*CT UPDATED 01/26/17.*JB ..UPDATED 03/06/17 *BF UPDATED 08/09/2017*JS

NHTSA ODI 10917323

Mar 22, 2016Brakes

WE HAVE 2015 MAZDA CX-9 WITH 8400 MILES THAT HAS A LEAK ON THE BREAK MASTER CYLINDER. WHICH THE DEALERSHIP WAS DENYING TO BE A LEAK BECAUSE THEY SAW AN OLD DRY DEBRIS ON TOP OF THE FLUID DEPOT. BUT HAVE IT CHECKED TO AN OUTSIDE MECHANIC BECAUSE WE'VE BEEN HAVING A SHIMMY PROBLEM WHEN BRAKING FOR MOTHS AND THEY STILL CAN'T FIGURE AS TO WHAT IS WRONG WITH OUR VEHICLE. ALL THEY ARE SAYING IS THEY CANNOT DUPLICATE THE PROBLEM THAT I AM SAYING. TO CUT THE LONG STORY SHORT WE BROUGHT OUR VEHICLE TO THEIR SERVICE AGAIN TO FIX THE BREAK FLUID LEAK ON THE CYLINDER BUT THEY ARE SAYING THEY WILL NOT FIX IT BECAUSE THERES ENOUGH FLUID ON THE RESERVOIR AND THEY ARE SAYING THAT THE FLUID MIGHT HAVE COME FROM THE CAP BECAUSE OF AN OLD LEAK DEBRIS. BUT I TOLD THEM THAT I WILL NOT GOING TO BE THAT MUCH FLUID UNDERNEATH THE BREAK BOOSTER AND AOUND THAT AREA. BUT THEY STILL INSIST THAT THEY'RE NOT GONNA FIX IT. PROBABLY THEY ARE WAITING FOR US TO GET HURT BEFORE THEY WILL ACTION ON IT.

NHTSA ODI 10851060

Mar 8, 2016SteeringEngine

WE BOUGHT THIS VEHICLE IN JUNE OF 2015 AND ABOUT 2 OR 3 MOTHS AFTER I NOTICED THAT THE REAR DRIVER SIDE ROTOR HAD A DEEP SCRATCH ON IT. THEY FIXED IT BY SANDING THE ROTOR INSTED OF REPLACING THE ROTOR. NEXT TIME I BROUGHT WAS AN OIL LEAK ON THE FRONT SIDE OF THE MOTOR ABOUT 4000MILES. THEY SAID THAT THE OIL FILTER IS LOOSED. SO ME AND MY WIFE WENT HOME HAVING SOME PIECEOF MIND THAT I BROUGHT THE CAR TO A DEALERSHIP AND THEY WILL DO THE RIGHT THING. BUT AT 7000 MILES I BROUGHT OUR VEHICLE FOR FIRST OIL CHANGE AND TOLD THEM THERES A SCREECHING SOUND ON ONE OF THE PULLEYS IN THE MOTOR. ALSO THE STEERING WHEEL IS SHAKING DRIVING AT 55 MPH OR HIGHER ESPECIALLY WHEN YOU'RE LIGHTLY BREAKING AT THAT SPEED. WE LEFT THE CAR FOR A DAY AT THEIR SERVICE THINKING THAT THEY WI ADDRESS TO THOSE PROBLEM. BUT WHEN WE PICK UP THE CAR NONE OF MY CONCERNS. HAD BEEN RESOLVE. SO WE BROUGHT THE CAR HOME BECAUSE IT WAS LATE AT NIGHT AND THEIR SERVICE TECHNICIANS ARE ALL GONE FOR THE DAY. BUT UPON ARRIVING AT THE HOUSE TO CHECK THE OIL LEVEL I NOTICE A BIG SCRATCH ON THE HOOD I WAS AGGRAVATED AT THAT MOMENT BECAUSE THEY DIDN'T DO A THING TO MY CONCERNS AND NOW THIS IS WHAT YOU WILL SEE. BY THE WAY WE HAVE A BLACK CX-9 AND YOU CAN EASILY SPOT A SCRACT IF THERE IS ONE. BUT THAT'S NOT THE MOST FRUSTRATING PART OF IT. BECAUSE WHEN I WENT UNDERNEATH THE CAR TO CHECK THE OIL FILTER. I NOTICED THAT THE FILTER WAS LOCATED IN THE MIDDLE OF THE MOTOR AND THERES NO WAY THAT IF LEAKS HAPPEN ON THAT SPOT THAT IT WILL GO ALL THE WAY TO THE FRONT SIDE OF THE MOTOR NEAR THE PULLEYS WHERE MY PREVIOUS OIL LEAKED COMPLAINT WAS. I THINK THEY WERE TRYING TO HIDE TO AVOID WARRANTY REPAIR ON IT. SO I CALLED THE DEALERSHIP SERVICE AND MY WIFE BROUGHT IT OVER THERE. WHEN THEY GOT CORNERED ABOUT THE PROBLEM I GUESS THEY DON'T HAVE A CHOICE BUT TO WORK ON IT. IT WAS A BAD POWER STEERING PUMP AND THEY WILL REPLACE IT

NHTSA ODI 10845656

Dec 2, 2015Seat belts

I PURCHASED THE CAR NEW ON SEPTEMBER 18,2015. HAVING THE CAR FOR 3 MONTHS I HAVE BEEN AT THE SERVICE DEPARTMENT 3 TIMES. I GOT HOME THE FIRST DAY AND THE BELT WAS NOT REGISTERING AND WAS MAKING NOISE WHEN I HAD IT ON. THE LAST 2 TIMES I CONTINUE TO HEAR NOISE COMING FROM THE CAR. THE NOISE IS HEARD FROM UNDERNEATH AND IT HAS TO BE DRIVEN FOR SIGNIFICANT AMOUNT OF MINUTES BEFORE THE NOISE GOES AWAY. I RECORDED THE NOISE ON NOVEMBER 28,2015 AND CALLED THE DEALER VERY UPSET BECAUSE ITS A PROBLEM THAT'S NOT BEING ADDRESSED AND FIXED. I DROPPED THE CAR OFF ON MONDAY NOVEMBER 30,2015 AND WAS TOLD YESTERDAY DECEMBER 1,2015 THAT THEY DONT SEE THE PROBLEM.THIS IS A NEW CAR AND I NEVER TEST DRIVEN BEFORE BUYING. I NEED HELP. I HAVE THE RECORDING BUT I CANT ATTACH IT ON HERE.

NHTSA ODI 10807974

Aug 14, 2015Visibility & wipers

TL* THE CONTACT OWNS A 2015 MAZDA CX-9. WHILE DRIVING APPROXIMATELY 55 MPH, THE DRIVER SIDE MIRROR VIBRATED CAUSING THE CONTACT'S VISION TO BECOME DISTORTED THROUGH THE MIRROR. AS A RESULT, THE CONTACT WAS UNABLE TO IDENTIFY THE OBJECTS. THE VEHICLE WAS TAKEN TO THE DEALER, BUT THE TECHNICIAN WAS UNABLE TO RESOLVE THE ISSUE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 5,000.

NHTSA ODI 10748689

Mar 23, 2015AirbagsCrash3 injuries

WHILE STOPPED IN TRAFFIC I WAS HIT FROM BEHIND BY A CAR AT MINIMUM GOING 40MPH WHILE PROPELLED MY CAR INTO THE VEHICLE IN FRONT OF ME. THE ENTIRE FRONT AND BACK ENDS OF MY CAR ARE SMASHED IN/HANGING ON AND MY AIR BAGS DID NOT DEPLOY. AUTOBODY SHOP INDICATED THE AIR BAGS SHOULD HAVE GONE OFF WITH THAT MUCH DAMAGE. *TR

NHTSA ODI 10701273

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Working with the data? Download all 35 complaints as CSV · fetched from NHTSA July 18, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 Mazda Cx-90 Phev verdict →