RoadVitals

2007 Mazda CX-9 Powertrain (other) Problems

Owner-reported complaints naming the powertrain system, filed with NHTSA

Data refreshed

Powertrain (other) reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
12
Latest Apr 13, 2020
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
14%
of 86 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
0
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
0

What this page shows

Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials. Every record below is an owner-reported complaint about the 2007 Mazda CX-9 submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 12 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming powertrain

Shown in the owner’s own words, exactly as filed

Fuel systemPowertrain (other)
Filed Apr 13, 2020

I TOOK THE CAR TO PEP BOYS AND THEY TOLD ME TO CALL BECAUSE MY WHOLE GAS TANK IS BAD AND IT SHOULD HAVE A RECALL ON IT .AND ALSO FORD SAID THE SAME....SO MY TRUCK HAVE A MAJOR GAS LEAK AND A RUSTED OUT GAS SYSTEM.

NHTSA ID
11321032
Incident
Mar 11, 2020
Powertrain (other)
Filed Apr 27, 2019

I WAS DRIVING HOME ON A BUSY INTERSTATE WHEN MY CAR STARTED SHAKING AND LOSING POWER. THEY CAR LOST ALL POWER AND I COULDN'T TURN THE STEERING WHEEL TO GET OUT OF THE WAY OF OTHER DRIVERS. I WAS ALMOST HIT MORE THAN ONCE BY OTHER CARS. AFTER HAVING THE VEHICLE TOWED AND A LICENSED MECHANIC LOOK AT IT, I WAS TOLD THE WATER PUMP FAILED AND LEAKED WATER AND COOLANT INTO MY ENGINE WHICH COMPLETELY DISABLED MY ENGINE.

NHTSA ID
11204124
Incident
Apr 3, 2019
Mileage
200,000 mi
Powertrain (other)
Filed Feb 28, 2018

THE PTU TRANSFER CASE IS DEFECTIVE AND NEEDS TO BE REPLACED, AND WILL COST ALMOST AS MUCH AS THE CAR IS WORTH. AFTER SOME RESEARCH, THIS IS A VERY COMMON PROBLEM DUE TO THE DESIGN THAT MAZDA HAS REFUSED TO ACKNOWLEDGE AND RECALL FOR MANY YEARS NOW. COMMON PROBLEMS ARE EXPLOSION OF THE UNIT AND TOXIC FUMES AND LOCKING UP OF THE POWER TRAIN. PLEASE DO YOUR JOB AND TAKE ACTION.

NHTSA ID
11075518
Incident
Feb 28, 2018
Mileage
120,000 mi
AirbagsPowertrain (other)Suspension
Filed Sep 4, 2017

TAKATA RECALL - IN THE LAST 1 1/2 YEARS, I'VE RECEIVED NUMEROUS RECALL NOTICES FOR THE LISTED RECALLS AND HAVE TAKEN MY VEHICLE AND CALLED IN TO THE MAZDA DEALER TO SEE IF THEY HAVE THE REPLACEMENT. THE DEALER KEEPS TELLING ME THAT THERE ARE NO REPLACEMENTS YET IN THE SYTEM. I DON'T HAVE EXACT DATE THAT II HAD PREVIOUSLY MAKE A COMPLAINT.

NHTSA ID
11021346
Incident
May 8, 2017
Powertrain (other)
Filed Sep 27, 2016

I HAVE ONLY HAD THIS CAR FOR ONE YEAR. I BOUGHT IT USED AND HAVE HAD THE "SAME" PROBLEM NOW "3" TIMES AND SINCE I HAVE NOT HAD IT FIXED AT A "MAZDA" DEALERSHIP BECAUSE I AM SORRY I DO NOT HAVE THE $$$ FOR THIS AND I BROUGHT IT TO MY OWN MECHANIC, MAZDA WILL NOT STAND BY THIS. THE IGNITION COILS HAVE ALL BEEN REPLACED NOW AS WELL AS THE PCM AND NOW I AM TOLD IT NEEDS THE PCM TO BE REPLACED AGAIN. THERE ARE "NUMEROUS" COMPLAINTS ON THE INTERNET FOR THIS EXACT SAME ISSUE AND MOST HAVE TAKEN IT TO MAZDA DEALERSHIPS AND STILL HAVE NO RESOLUTION TO THIS PROBLEM. THE LAST COIL ACTUALLY MELTED AND COULD HAVE STARTED A FIRE SO I AM RUNNING WITH 5 COILS NOW INSTEAD OF 6 UNTIL I CAN FIND OUT HOW TO RECTIFY THIS ONGOING PROBLEM! I JUST PUT 4 NEW TIRES ON THE VEHICLE AND HAVE SPENT OVER $1000 ALREADY AND CAN'T AFFORD TO SPEND MUCH MORE ON THIS VEHICLE. MAZDA NEEDS TO STAND BY THIS PROBLEM!

NHTSA ID
10909928
Incident
Sep 26, 2016
Mileage
128,000 mi
Powertrain (other)
Filed May 17, 2016

TL* THE CONTACT OWNS A 2007 MAZDA CX9. WHILE DRIVING APPROXIMATELY 75 MPH WITH THE CRUISE CONTROL ACTIVATED, THE VEHICLE DOWNSHIFTED TO NEUTRAL ON ITS OWN. THE CONTACT SWITCHED TO MANUAL TRANSMISSION, BUT THE VEHICLE WOULD NOT ACCELERATE. THE CONTACT HAD TO COAST TO THE SHOULDER. WHEN THE VEHICLE SLOWED DOWN TO APPROXIMATELY 10 MPH, IT RE-ENGAGED IN GEAR. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS UNKNOWN. THE APPROXIMATE FAILURE MILEAGE WAS 127,000.

NHTSA ID
10865338
Incident
May 14, 2016
Mileage
127,000 mi
Other / unspecifiedPowertrain (other)Steering
Filed Aug 19, 2015

I HAVE JUST LEARNED ABOUT ISSUES WITH THE MAZDA CX9 AND WHEELS FALLING OFF AND I REALIZED THAT IS EXACTLY WHAT HAPPENED TO ME. I ALWAYS TOOK CARE OF MY CX 9 BECAUSE I DRIVE A LOT FOR WORK AND DEPEND ON MY CAR VERY MUCH, SO WHEN ISSUES WITH THE STEERING STARTED I TOOK IT TO SEARS FOR A WHEEL ALIGNMENT SINCE I HAD JUST REPLACED A NEW SET OF TIRES A COUPLE OF MONTHS BEFORE, IT SEEMED OK AFTER THE ALIGNMENT UNTIL AGAIN THE SMALL SKIP OF THE STEERING STARTED EVERY TIME I TURN THE WHEEL, I DID THINK MUCH OF IT UNTIL IT STARTED INCREASING. EVERY TIME I TURNED THE WHEEL THE SKIP WAS THERE, I DECIDED TO CALL MY MECHANIC WHO ALWAYS DID ALL THE CAR SERVICE AND MAINTENANCE AND HE SAID TO BRING IT IN OVER THE WEEKEND TO TAKE A LOOK, BEFORE I HAD THE CHANCE TO BRING IT TO HIM, AS I WAS MAKING A RIGHT TURN THE WHEEL CAME RIGHT OFF THE TRANSFER CASE AND THE ARMS, GOOD THING I WAS JUST MAKING A RIGHT TURN, MINUTES BEFORE I WAS ON THE HIGHWAY AND I DON'T EVEN WANT TO THINK ABOUT WHAT COULD HAVE HAPPENED... I THOUGHT IT HAD BEEN JUST A FREAK ACCIDENT AND I WAS HAPPY TO BE ALIVE. I HAD THE MECHANIC COME AND PICK UP THE CAR FROM THE STREET AND AFTER SURVEYING THE DAMAGES HE HAD TO REPLACE BOTH UPPER AND LOWER ARMS ON BOTH SIDES AND THEN HE NOTICED THAT THE TRANSFER CASE HAD BEEN DAMAGED WHEN THE AXEL PULLED AWAY, SO NOW WE NEEDED A NEW TRANSFER CASE AND IT IS NOT AN EASY JOB. NOW THAT IT IS ALL DONE I FOUND THAT IT HAS HAPPENED MANY TIMES, THIS IS NOT RIGHT AND MAKES ME ANGRY TO KNOW THAT THE OWNERS WERE NOT INFORMED RIGHT AWAY, I COULD HAVE HAD MY CHILDREN IN THE CAR..

NHTSA ID
10749823
Incident
Apr 8, 2014
Mileage
135,000 mi
Powertrain (other)
Filed Dec 19, 2014

MY HUSBAND HAD JUST LEFT OUR HOME AND LUCKILY WERE STILL IN OUR NEIGHBORHOOD WHEN OUR MAZDA CX9 STARTED TO STUTTER AND SHAKE AND BECOME UN-DRIVABLE. IT RODE VERY ROUGH. IT HAPPENED WITH ABSOLUTELY NO WARNING. WE TOOK IT TO THE LOCAL REPAIR SHOP AND WAS TOLD THAT THE CHECK ENGINE ERROR WAS P0351/PO352. THEY REPLACED THE COIL BUT THE PROBLEM PERSISTED AND WE STILL WERE UNABLE TO DRIVE THE CAR. WE THEN TOOK IT TO THE MAZDA DEALERSHIP WHICH THEN REPLACED THE PCM AND ANOTHER COIL. WE HAD TO WAIT SEVERAL WEEKS FOR THE PCM DUE TO "LIMITED AVAILABILITY"; WHICH TO ME, A CONSUMER MEANS ONE OF TWO THINGS - THE PCM SHOULD NOT FAIL OR THERE IS A SHORT SUPPLY OF PCM BECAUSE THERE ARE MANY FAILURES. I SPOKE WITH MAZDA AND THE CUSTOMER SERVICE REPRESENTATIVE RESEARCHED THE PROBLEM AND CALLED ME BACK TO EXPLAIN THAT THIS CURRENT SITUATION "DID NOT MEET THE FEDERAL PARAMETER OF THE REVIEW PROCESS AND THAT MAZDA WOULD NOT BE REPLACING THIS PART FOR US AND SHE ADDED "AT THIS TIME"...SEEMS SUSPICIOUS TO ME..."AT THIS TIME". WHAT DOES THAT MEAN? MAZDA'S WARRANTY IS 8 YEARS/96,000 MILES...THAT IS UNACCEPTABLE (OUR MILEAGE IS 116,000). WE WERE LUCKY WE WEREN'T DRIVING ON THE HIGHWAY AT A HIGH RATE OF SPEED OR THE CAR WOULD HAVE JUST STOPPED RUNNING! OUR CAR HAD NO PREVIOUS ISSUES, THE CHECK ENGINE LIGHT DID NOT COME ON UNTIL THIS INCIDENT ON 11/16/2014. *TR

NHTSA ID
10667319
Incident
Nov 16, 2014
Mileage
116,000 mi
ElectricalEnginePowertrain (other)
Filed Jul 22, 2014

WAS DRIVING ON INTERSTATE AT NIGHT. ENGINE LIGHT CAME ON AND CAR IMMEDIATELY DROVE AS IF IT WERE NOT OPERATING ON ALL CYLINDERS. TOOK IT TO DEALERSHIP AND IT HAD MULTIPLE MISFIRE CODES, 301, 351, 352, 354. I RESEARCHED AND FOUND MULTIPLE COMPLAINTS FILED ON-LINE REGARDING THE EXACT MISFIRE CODES I EXPERIENCED AND PCM ISSUES IN THIS PARTICULAR YEAR, MAKE AND MODEL. THIS PROBLEM IS WAY TOO EXPENSIVE TO FIX ON A PERSONAL LEVEL. IF MAZDA IS AWARE THAT THIS HAS BEEN AN ISSUE, THEY NEED TO REMEDY IT. I DO NOT BELIEVE I NEED TO PERSONALLY PAY FOR A PCM WHEN THIS APPEARS TO BE A COMMON PROBLEM IN THIS MAKE AND MODEL. I BELIEVE MAZDA IS VERY AWARE OF THIS PROBLEM, AND THEY NEED TO REMEDY IT AND REPLACE THE PCM. *TR

NHTSA ID
10615507
Incident
Jul 1, 2014
Mileage
113,000 mi
ElectricalFuel systemPowertrain (other)
Filed Apr 16, 2014

TRAVELING ON INTERSTATE ENGINE SUDDENLY STARTS TO STUTTER. PUSH DOWN ON THE GAS AND THERE IS NO POWER. CAR CANNOT GO OVER 40 MPH. ENGINE LIGHT COMES ON. TAKE CAR TO MY LOCAL MECHANIC. INFORMED THAT IGNITION COILS #1,2,4 ARE RUINED. THEY ARE REPLACED, 12 HOURS LATER IGNITION COIL #2 FAILS AGAIN. MECHANIC GIVES ME MAZDA BULLETIN #01-026/11 CALLING OUT ISSUES WITH PCM AND HOW PCM WILL CAUSE MIS-FIRING OF IGNITION COILS CAUSING THE COILS TO FAIL PREMATURELY. COIL #2 WHEN REPLACED WAS CHARRED AND SPLIT AND WAS LEAKING OIL. MAZDA WOULD NOT ACKNOWLEDGE PROBLEM AND WOULD NOT REPLACE PCM OR DAMAGED COIL CAUSED BY FAULTY PCM. *TT

NHTSA ID
10583135
Incident
Mar 30, 2014
Mileage
124,230 mi
EnginePowertrain (other)
Filed Mar 7, 2013

WAS DRIVING ON INTERSTATE AT NIGHT IN SNOW; UNSAFE AND UNKNOWN AREA WITH JUST ME AND MY DAUGHTER. ENGINE LIGHT CAME ON AND CAR IMMEDIATELY DROVE AS IF IT WERE NOT OPERATING ON ALL CYLINDERS. TOOK IT TO DEALERSHIP AND IT HAD MULTIPLE MISFIRE CODES, 301, 351, 352, 354. COILS BAD AND PCM "FRIED." CAR IS ONLY 5 YEARS OLD AND LAST CAR PAYMENT MADE OCTOBER 2012. I RESEARCHED AND FOUND MULTIPLE COMPLAINTS FILED ON-LINE REGARDING THE EXACT MISFIRE CODES I EXPERIENCED AND PCM ISSUES IN THIS PARTICULAR YEAR, MAKE AND MODEL. THIS PROBLEM IS WAY TOO EXPENSIVE TO FIX ON A PERSONAL LEVEL. IF MAZDA IS AWARE THAT THIS HAS BEEN AN ISSUE, THEY NEED TO REMEDY IT. I'M PERFECTLY FINE TO PAY FOR REPLACEMENT PARTS AT THE TIME MAZDA RECOMMENDS THEY ARE DUE; HOWEVER I DO NOT BELIEVE I NEED TO PERSONALLY PAY FOR A PCM AFTER 5 YEARS OF USE WHEN THIS APPEARS TO BE A COMMON PROBLEM IN THIS MAKE AND MODEL. I CALLED CORPORATE MAZDA TO ASK ABOUT ANY KNOWN PCM PROBLEMS ON 3/6/2012, REFERENCE # 146248920 AND WAS NOT GIVEN ANY INFORMATION. I WAS TOLD TO SIMPLY TRUST THE TECHNICIAN. THIS ANSWER IS NOT ACCEPTABLE. I BELIEVE MAZDA IS VERY AWARE OF THIS PROBLEM, AND THEY NEED TO REMEDY IT. I WILL PAY FOR NEW COILS AND NEW SPARK PLUGS AS THOSE ARE DUE, BUT MAZDA SHOULD REPLACE THE PCM. *TR

NHTSA ID
10501918
Incident
Mar 1, 2013
Mileage
97,000 mi
BrakesPowertrain (other)Suspension
Filed Mar 29, 2011

WE HAVE HAD OUR MAZDA CX-9 SINCE 2007. AT 58,000 MILES WE NOTICED A "HUMMING" NOISE. WE TOOK THE VEHICLE INTO THE MAZDA DEALERSHIP SINCE IT WAS STILL UNDER WARRANTY. WE GOT THE RUN AROUND STATING IT WAS OUR TIRES; HOWEVER, IT TURNED OUT THE FRONT WHEEL BEARINGS WERE BAD. THEY REPLACED THE BEARINGS AND ONE YEAR LATER WE ARE HAVING TO REPLACE THE REAR BEARINGS. THROUGH RESEARCH WE ARE FINDING THAT MAZDA HAS A SERVICE BULLETIN ISSUED 2/1/2008 ABOUT THE REAR BEARINGS. BASICALLY STATING THE NOISE IS FROM AN IMPROPER SHAPE OF THE ABS SENSOR AND THIS IS ONLY COVERED IF THERE IS STILL A WARRANTY ON THE VEHICLE. MY QUESTION IS IF THEY KNOW THIS IS A PROBLEM THEN WHY IS THIS ISSUE NOT RECALLED BECAUSE A FROZEN BEARING IS AND CAN BE VERY DANGEROUS. MAZDA REFUSES TO HELP REPLACE OUR REAR BEARING SINCE WE ARE NOW AT 74,000 MILE AND OUR WARRANTY IS OUT. ALL WE KEEP GETTING IS A RUN AROUND BY OUR LOCAL DEALERSHIPS. WE ALSO HAVE HAD PROBLEMS WITH OUR DRIVER SIDE MIRROR. MAZDA REPLACE THE MIRROR A FEW WEEKS AFTER WE BOUGHT OF CX-9 BUT IT STILL SHAKES.

NHTSA ID
10394550
Incident
Mar 3, 2010
Mileage
73,900 mi

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.

Other components reported on this vehicle

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Elsewhere on this vehicle

Data sources

Data on this page last refreshed .