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2009 Acura Mdx

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2009 Acura Mdx do not stand out strongly from the model-year median of 101.5.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

37 reports with mileage · 15 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

4 crash reports1 fire reports6 injury reports

What owners actually said

52 reports
Mileage unknown · May 12, 2017
Power Train

ENGINE OIL PUMP (PREMATURE FAILURE) - I OWN A 2001 TL AND 2009MDX. ON THE MDX, I HAVE FOUND PREMATURE FAILURE OF OIL PUMP. THE VEHICLE HAS BEEN DRIVEN LESS THAN 8000 MILES PER YEAR AND FAILED AT 85000 MILES. A LEAK OVER TIME COULD RESULT IN ENGINE CEASING. ON THE TL, IT TOOK 225000 MILES TO REPLACE THE OIL PUMP.

NHTSA ODI #10985470

62,400 miles · Sep 12, 2016
Electrical System

MY MDX HAS ONLY 62,400 MILES AND TODAY I GOT A MESSAGE "CHECK STARTER SYSTEM" DUE TO THE HFL MODULE IS DRAINING THE BATTERY. LUCKILY THE CAR WAS IN MY GARAGE AT THE TIME. I HAD TO CHARGE THE BATTERY SO I COULD START THE CAR. ALL THE INFO I HAVE READ ONLINE STATES THE THE HFL MODULE GETS REAL HOT AND CAN CAUSE FIRE. MY GARAGE IS …

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MY MDX HAS ONLY 62,400 MILES AND TODAY I GOT A MESSAGE "CHECK STARTER SYSTEM" DUE TO THE HFL MODULE IS DRAINING THE BATTERY. LUCKILY THE CAR WAS IN MY GARAGE AT THE TIME. I HAD TO CHARGE THE BATTERY SO I COULD START THE CAR. ALL THE INFO I HAVE READ ONLINE STATES THE THE HFL MODULE GETS REAL HOT AND CAN CAUSE FIRE. MY GARAGE IS UNDER MY BEDROOM. THIS IS A PART MADE BY JOHNSON CONTROLS, ACURA NEEDS TO RECALL THIS ITEM.

NHTSA ODI #10905961

60,000 miles · Feb 1, 2016
Electrical System

BLUETOOTH STOPPED WORKING AND A FEW WEEKS LATER, MY CAR WOULDN'T START. I REPLACED THE BATTERY AND A FEW DAYS LATER THE CAR STALLED ON ME AS I WAS PULLING OUT OF MY SPOT!!!!! I WENT TO THE ACURA DEALER AND EXPLAINED TO THE GUY THAT MY BATTERY KEPT DRAINING. HE ASKED ME IF MY BLUETOOTH STOPPED WORKING, I WAS SHOCKED BECAUSE I …

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BLUETOOTH STOPPED WORKING AND A FEW WEEKS LATER, MY CAR WOULDN'T START. I REPLACED THE BATTERY AND A FEW DAYS LATER THE CAR STALLED ON ME AS I WAS PULLING OUT OF MY SPOT!!!!! I WENT TO THE ACURA DEALER AND EXPLAINED TO THE GUY THAT MY BATTERY KEPT DRAINING. HE ASKED ME IF MY BLUETOOTH STOPPED WORKING, I WAS SHOCKED BECAUSE I HADN'T MENTIONED ANY ISSUES WITH MY BLUETOOTH BUT I LET HIM KNOW THAT IN FACT, THE BLUETOOTH HAD STOPPED. THE REP SAID IT'S A COMMON PROBLEM IN MY VEHICLE. HAD TO REPLACE THE BLUETOOTH AND PAID $600!!!! MY FRIENDS SISTER HAS THE SAME MAKE CAR AND HER BLUETOOTH STOPPED WORKING AND HER CAR BATTERY KEEPS GOING DEAD. IT'S VERY SCARY SINCE APPARENTLY I MUST HAVE STARTED THE CAR RIGHT BEFORE THE BATTERY DIED AGAIN. IMAGINE WHAT WOULD'VE HAPPENED IF IT HAD STALLED ON A HIGHWAY OR A BUSY STREET!

NHTSA ODI #10823427

54,000 miles · Nov 19, 2015
Unknown Or OtherCrashInjury

NOT SURE IF THIS RELATED TO TAKATA AIRBAGS. MY WIFE WAS IN BAD ROLLOVER ACCIDENT INVOLVING A 2009 ACURA MDX ON NOV 5, 2015. AT 5:15 PM ON 11/5, THURSDAY, IT WAS DARK AND RAINING AS SHE WAS HEADING EAST ON US ROUTE 12 CLOSE TO THE ARCELORMITTAL USA OFFICE AND SLIPPED, VEERED OFF THE ROAD AND SUV ROLLED OVER AND CART WHEELED AND F…

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NOT SURE IF THIS RELATED TO TAKATA AIRBAGS. MY WIFE WAS IN BAD ROLLOVER ACCIDENT INVOLVING A 2009 ACURA MDX ON NOV 5, 2015. AT 5:15 PM ON 11/5, THURSDAY, IT WAS DARK AND RAINING AS SHE WAS HEADING EAST ON US ROUTE 12 CLOSE TO THE ARCELORMITTAL USA OFFICE AND SLIPPED, VEERED OFF THE ROAD AND SUV ROLLED OVER AND CART WHEELED AND FELL IN A DITCH. THE SUV WAS UPSIDE DOWN WHEN I ARRIVED AFTER A FIRST RESPONDER CALLED ME FROM THE SCENE. NOT SURE WHY SHE VEERED OFF WHEN SHE WAS ON THE LEFT MOST LANE. SHE SUDDENLY CROSSED 2 LANES AND SHOULDER AND ENDED UP IN A DITCH. SHE WAS NOT FATIGUED SINCE IT WAS LESS THAN 3 MIN SINCE SHE LEFT FROM THE OFFICE AND WE HAVE BLUE TOOTH HANDSFREE IN OUR 2009 ACURA MDX TECH. NOT SURE IF THE AIR BAG WENT OFF FALSELY OR IF SHE HAD A TIRE BURST. I KNOW BOTH FRONT TIRES WERE FLAT WHEN I SAW IT IN THE SALVAGE YARD. ALL SHE RECALLS IS AIR BAGS GOING OFF - NOT SURE IF THEY DEPLOYED BEFORE OR AFTER SHE HIT THE DITCH... HTTP://M.NWITIMES.COM/NEWS/LOCAL/LAKE/WOMAN-RUSHED-TO-TRAUMA-CENTER-AFTER-CRASH-IN-BURNS-HARBOR/ARTICLE_F7D452E6-980E-5EC1-AB08-C57A83E2BEDC.HTML?MOBILE_TOUCH=TRUE THERE WAS NO OTHER VEHICLE INVOLVED.. AN EERILY SIMILAR INCIDENT IN AN 2009 ACURA MDX VERY SIMILAR TO WHAT MY WIFE ENCOUNTERED ON NOV 5. HTTP://6ABC.COM/ARCHIVE/9502999/ I WANT THE NHTSA TO INVESTIGATE THIS.THE RESPONDING POLICE DEPARTMENT FOR THE NOV 5 INCIDENT IS THE BURNSHARBOR POLICE DEPARTMENT CONTACT PHONE. [XXX] FILE/CASE # [XXX] THANKS, [XXX] INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

NHTSA ODI #10794929

Mileage unknown · Nov 4, 2015
Air Bags

WAS TOLD ON TODAY SHOW (NBC) THAT COULD CHECK TO SEE IF ACURA AIR BAGS NEED TO NE REPLACED EVEN THOUGH NOT AN OFFICIAL RECALL. PLEASE LET ME KNOW IF THESE AIRBAGS ARE THE ONES THAT ARE TO BE REPLACED AND IF SO, WHEN. MANY THANKS.

NHTSA ODI #10788358

45,000 miles · May 21, 2015
Electrical SystemEngine

ONGOING PROBLEM WITH 2009 ACURA MDX- THE CHECK ENGINE WARNING LIGHT SPORADICALLY ILLUMINATES WHILE DRIVING INDICATING THAT THE VEHICLE SHOULD BE BROUGHT TO AN ACURA REPAIR FACILITY. THE DEALERSHIP SERVICE DEPARTMENT STATED THAT IT IS A FAULTY SENSOR AND IT IS A COMMON PROBLEM WITH THE 2009 ACURA MDX. THE DEALERSHIP FURTHER STATE…

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ONGOING PROBLEM WITH 2009 ACURA MDX- THE CHECK ENGINE WARNING LIGHT SPORADICALLY ILLUMINATES WHILE DRIVING INDICATING THAT THE VEHICLE SHOULD BE BROUGHT TO AN ACURA REPAIR FACILITY. THE DEALERSHIP SERVICE DEPARTMENT STATED THAT IT IS A FAULTY SENSOR AND IT IS A COMMON PROBLEM WITH THE 2009 ACURA MDX. THE DEALERSHIP FURTHER STATED THAT IT WOULD BE APPROXIMATELY $700.00 FOR THEM TO MAKE THE REPAIR AS ACURA HAS NOT YET ISSUED A RECALL NOTICE FOR THE SENSOR.

NHTSA ODI #10717681

75,000 miles · Apr 28, 2015
Electrical System

"NOX SENSOR WIRING HARNESS CHEWED BY MOUSE" PER ACURA DEALERSHIP. THERE IS NO EVIDENCE OF RODENT DAMAGE OR PRESENCE ELSEWHERE IN THE VEHICLE. ACCORDING TO THE ACURA DEALERSHIP, THERE WAS A PROBLEM WITH THE PRIOR MODELS PRIOR TO 2009, BUT MY PARTICULAR CAR DOESN'T HAVE THE PROBLEM. THE WIRING HAS BEEN COVERED BY HONDA RODENT DET…

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"NOX SENSOR WIRING HARNESS CHEWED BY MOUSE" PER ACURA DEALERSHIP. THERE IS NO EVIDENCE OF RODENT DAMAGE OR PRESENCE ELSEWHERE IN THE VEHICLE. ACCORDING TO THE ACURA DEALERSHIP, THERE WAS A PROBLEM WITH THE PRIOR MODELS PRIOR TO 2009, BUT MY PARTICULAR CAR DOESN'T HAVE THE PROBLEM. THE WIRING HAS BEEN COVERED BY HONDA RODENT DETERRENT TAPE AS SHOWING IN THE PICTURES. I HAVE CONTACTED ACURA/HONDA DEALERSHIPS, THEIR EXTENDED WARRANTY CUSTOMER SERVICE AND ALSO THE IRRESPECTIVE, ACURA/HONDA MANUFACTURER CUSTOMER SERVICE. THE SAME THING HAPPENED TO MY OTHER CAR (HONDA ODYSSEY 2009) WITHIN A SPAN OF ONE WEEK WITH EXACTLY SIMILAR PRESENTATION. WHEN I REQUESTED INFORMATION FROM THE ABOVE SOURCES, I WAS TOLD THAT THIS WAS CONFIDENTIAL INFORMATION AND IS NOT AVAILABLE FOR CUSTOMERS AND THAT IS IT IS A RARE EVENT AND NOT RELATED TO MANUFACTURING DEFECTS AND ALSO THERE WAS NO DEFINITIVE TREND IN ACURA/HONDA(SAME COMPANY) NOX SENSOR WIRING HARNESS CHEWED BY RODENTS AND HAVE REFUSED TO COVER IT UNDER EXTENDED WARRANTY PROGRAM TO WHICH I HAVE SUBSCRIBED/PURCHASED. I HAVE ANOTHER ENTRY REGARDING THE OTHER VEHICLE. *TR

NHTSA ODI #10713348

90,000 miles · Apr 27, 2015
Electrical SystemEngine

THE MESSAGE CENTER CAME ON TELLING ME TO CHECK THE OIL LEVEL AND PRESSURE. PULL OVER ASAP AND HAVE IT TOWED TO NEAREST DEALER. THIS HAS HAPPENED SEVERAL TIMES NOW AND EACH TIME THEY SAY ITS A SENSOR BUT HOW MANY CAN THERE BE AND HOW CAN THEY KEEP GOING OUT. WHEN THIS IS HAPPENING THE WIPERS WILL SHORT OUT AS WELL AND RADIO W…

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THE MESSAGE CENTER CAME ON TELLING ME TO CHECK THE OIL LEVEL AND PRESSURE. PULL OVER ASAP AND HAVE IT TOWED TO NEAREST DEALER. THIS HAS HAPPENED SEVERAL TIMES NOW AND EACH TIME THEY SAY ITS A SENSOR BUT HOW MANY CAN THERE BE AND HOW CAN THEY KEEP GOING OUT. WHEN THIS IS HAPPENING THE WIPERS WILL SHORT OUT AS WELL AND RADIO WILL FADE IN AND OUT. THIS HAS TO BE A DEFECT WITHIN THE ELECTRICAL. *TR

NHTSA ODI #10713005

90,000 miles · Apr 27, 2015
Electrical SystemExterior LightingVisibility/wiper

THE WINDSHIELD WIPERS WOULD JUST COME ON AND NOT SHUT OFF. WE TRIED SEVERAL THINGS BUT THE WIPERS WOULD NOT STOP. I HAD TO TAKE THE FUSE OUT SO IT CAUSE FURTHER DAMAGE. *TR

NHTSA ODI #10713004

74,000 miles · Apr 22, 2015
Engine

TL* THE CONTACT OWNS A 2009 ACURA MDX. WHILE STARTING THE VEHICLE, THE ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHO DIAGNOSED THAT THE NOX SENSOR HARNESS HAD BEEN CHEWED ON BY RODENTS AND WOULD NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILE…

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TL* THE CONTACT OWNS A 2009 ACURA MDX. WHILE STARTING THE VEHICLE, THE ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER WHO DIAGNOSED THAT THE NOX SENSOR HARNESS HAD BEEN CHEWED ON BY RODENTS AND WOULD NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 74,000.

NHTSA ODI #10712274

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.