2009 Acura MDX 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 Acura MDX, 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
- Electrical1825.0%
- Engine1115.3%
- Powertrain (other)811.1%
- Exterior lighting68.3%
- Driver assistance68.3%
- Airbags45.6%
- Interior & seats34.2%
- Other / unspecified34.2%
- Seat belts34.2%
- Visibility22.8%
- Steering22.8%
- Suspension22.8%
- Tires & wheels22.8%
- Body & structure11.4%
- Heating & air conditioning11.4%
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
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
Odometer Fraud. The contact purchased a 2009 Acura MDX. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of the purchase, the mileage was 117,500. At the time of the vehicle registration, it was discovered that the mileage was 140,223.
I just got this car in September and it is now throwing all kinds of different codes to the point where I can’t drive it sh-awd /check charging station / emission light etc
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
While driving vehicle, all power shut off after all lights(airbag, tire, engine, etc. came on the dashboard) not able to start vehicle now at all. Has power but will not run, turn over, stay running, etc. has brand new battery so that’s not the problem no problems until today.
TL* THE CONTACT OWNED A 2009 ACURA MDX. WHILE DRIVING 25 MPH, THE CHECK ENGINE INDICATOR FLASHED. THE CONTACT PULLED THE VEHICLE OVER TO A SHOULDER LANE AND EXITED THE VEHICLE PRIOR TO THE ENGINE COMPARTMENT CATCHING FIRE. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. A POLICE REPORT WAS FILED. THERE WERE NO INJURIES. THE INSURANCE COMPANY TOWED THE VEHICLE TO A STORAGE AREA. THE VEHICLE WAS DESTROYED. THE LOCAL DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS CONTACTED AND PROVIDED NO ADDITIONAL ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 130,000.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
I just got this car in September and it is now throwing all kinds of different codes to the point where I can’t drive it sh-awd /check charging station / emission light etc
While driving vehicle, all power shut off after all lights(airbag, tire, engine, etc. came on the dashboard) not able to start vehicle now at all. Has power but will not run, turn over, stay running, etc. has brand new battery so that’s not the problem no problems until today.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
I just got this car in September and it is now throwing all kinds of different codes to the point where I can’t drive it sh-awd /check charging station / emission light etc
LOW BEAM HEADLIGHT IS EXTREMELY DIM, CAN BARELY SEE AT NIGHT. CHANGING THE LIGHT BULB DOES NOT SOLVE. HEADLIGHT COVER IS NOT FOGGY OR CLOUDY, IT IS CLEAR. SUSPECTING INTERNAL REFLECTOR ISSUE AS ACURA HAS DONE RECALLS ON OTHER MODELS FOR THE SAME ISSUE BUT NOT ON RDX.
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
I HAVE ACCURA MDX 2009.UNABLE TO OPEN CAR DOOR USING MY KEY.COULD NOT OPEN TRUNK.BOTH SIDES LIGHT SIGNALS DO NOT WORK.CALLED AAA SERVICE TO OPEN DOOR.VEHICLE WAS STATIONARY
ON JUNE 30TH 2019 AFTER LEAVING FROM WORK I WAS ON MY WAY TO PIER 1 WHICH IS APPROXIMATELY 2 MILES AWAY. I TURNED INTO THE PARKING LOT PARKED IN FRONT OF PIER 1 AND ALL OF A SUDDEN MY CAR ACCELERATED OUT OF CONTROL. IT JUMPED THE CURB CRASHED THROUGH PIER 1 WINDOW INTO THE STORE AND DIDN'T STOP UNTIL IT HIT A WALL. AT THIS TIME I'M IN SHOCK GLASS IS EVERY WHERE AND I COULD MOVE I HEAR PEOPLE IN THE BACKGROUND TELLING ME TO GET OUT OF THE CAR BUT I WAS FROZEN FROM WHAT JUST HAPPENED. I JUST WANT TO HOLD ACURA ACCOUNTABLE BECAUSE I SEE THIS HAS HAPPENED TO SEVERAL PEOPLE
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
On Jan 21, 2025 the drivers side air bag deployed as I was driving. I did not hit or get hit by anyone or anything, I did not run over anything either the airbag deployed on drivers side from the front to the back of my Acura MDX it was sudden it was random Nd damn scary. I was injured from the impact of the air bag ... I have had my car approximately 6 months I am purchasing from Drive now in Wichita, KS and am still making payments on this vehicle..
Vehicle produced a dash warning light for airbag/supplemental restraint system on January 29th or 30th, 2022. Went away and back on again 3 times in the following week. No prior issues related to this. Vehicle has never been in an accident. Acura dealer scanned vehicle 2/5/2022 to find vehicle code 11-11, meaning bad airbag and possibly bad cable reel. No recalls or effort by Acura (contacted by me) to assist with fix. Replacement isn't readily available, nor is a dealer loaner. Part is $1202.75. Vehicle is 2009 with only 89,7XX miles.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2009 ACURA MDX. THE CONTACT STATED THAT THE HEADREST WOULD PUSH HER HEAD FORWARD, CAUSING HER NECK AND BACK PAIN. THE VEHICLE WAS TAKEN TO THE DEALER WHO ADVISED THAT THEY WERE UNABLE TO ALTER THE VEHICLE DESIGN. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 24,600. UPDATED 5/7/12 *CN THE CONSUMER HAS SINCE TRADED THE VEHICLE. UPDATED 05/23/12.
TL* THE CONTACT OWNS A 2009 ACURA MDX. THE CONTACT STATED THAT THE REAR AUTOMATIC HATCHBACK SENSOR FAILED. THE HATCHBACK CLOSED ON THE CONTACT'S HANDS, RESULTING IN INJURIES TO THE FINGERS. THE CONTACT BELIEVED THE FAILURE TO BE A SAFETY HAZARD BECAUSE THE HE WAS ATTEMPTING TO STOP THE HATCHBACK FROM CLOSING WHEN IT SHUT AND SLAMMED HIS FINGERS INTO THE DOOR. THE VEHICLE WAS NOT INSPECTED OR REPAIRED FOR THE FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 26,000.
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
ON JUNE 30TH 2019 AFTER LEAVING FROM WORK I WAS ON MY WAY TO PIER 1 WHICH IS APPROXIMATELY 2 MILES AWAY. I TURNED INTO THE PARKING LOT PARKED IN FRONT OF PIER 1 AND ALL OF A SUDDEN MY CAR ACCELERATED OUT OF CONTROL. IT JUMPED THE CURB CRASHED THROUGH PIER 1 WINDOW INTO THE STORE AND DIDN'T STOP UNTIL IT HIT A WALL. AT THIS TIME I'M IN SHOCK GLASS IS EVERY WHERE AND I COULD MOVE I HEAR PEOPLE IN THE BACKGROUND TELLING ME TO GET OUT OF THE CAR BUT I WAS FROZEN FROM WHAT JUST HAPPENED. I JUST WANT TO HOLD ACURA ACCOUNTABLE BECAUSE I SEE THIS HAS HAPPENED TO SEVERAL PEOPLE
I PURCHASED AN ACURA CERTIFIED 2009 MDX BASE WITH BRIDGESTONE DUELER H/L 400 TIRES ON IT. THE QUALITY OF BRIDGESTONE TIRES WERE UNACCEPTABLE. THESE TIRES HAD NO GRIP ON WET ROAD AND ROAD COVERED WITH LIGHT SNOW. THERE WERE MULTIPLE CASES WHEN MY ALL WHEEL DRIVE SKIDDED ON THE HIGHWAY DURING LANE CHANGE. DUE TO SAFETY CONCERNS, I HAD TO REPLACE ALL FOUR TIRES WITHIN A FEW MONTHS OF PURCHASING THE VEHICLE. ACURA SHOULD NOT USE BRIDGESTONE TIRES IN ITS VEHICLES. ALSO, FIRESTONE/BRIDGESTONE SHOULD RECALL THESE TIRES AND REFUND MONEY FOR THE REPLACEMENT COST OF MY TIRES. WILL APPRECIATE IF YOU PLEASE LOOK INTO THIS ISSUE. *JS
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
TL* THE CONTACT OWNS A 2009 ACURA MDX. THE CONTACT STATED THAT THE HEADREST WOULD PUSH HER HEAD FORWARD, CAUSING HER NECK AND BACK PAIN. THE VEHICLE WAS TAKEN TO THE DEALER WHO ADVISED THAT THEY WERE UNABLE TO ALTER THE VEHICLE DESIGN. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DID NOT OFFER ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 24,600. UPDATED 5/7/12 *CN THE CONSUMER HAS SINCE TRADED THE VEHICLE. UPDATED 05/23/12.
THERE MUST BE A DEFECT IN MY 2009 ACURA MDX HEAD RESTRAINT SYSTEM. I BELIEVE IT HAS RESULTED IN OR CONTRIBUTED TO A NECK INJURY . I HAVE HAD NECK PAIN BAD ENOUGH TO REQUIRE FOUR MONTHS OF PHYSICAL THERAPY AND FIVE SURGICAL PROCEDURES. THE HEAD REST FORCES MY NECK AND HEAD INTO AN UNNATURAL FORWARD POSITION. THE HEAD REST ONLY MOVES UP AND DOWN AND NOT FORWARD AND BACK. I AM UNABLE TO ADJUST THE SEAT AND STEERING WHEEL TO ACCOMMODATE FOR THE LACK OF ADJUSTABLE IN THE HEAD REST. *TR
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
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
TL*THE CONTACT OWNS A 2009 ACURA MDX. WHILE DRIVING APPROXIMATELY 75 MPH THE WINDSHIELD WIPERS AND THE WINDSHIELD WIPER FLUID ENGAGED ON ITS OWN AND REMAINED ON. THE VEHICLE WAS TAKEN DIRECTLY TO AN AUTHORIZED DEALER WHERE THE FUSE TO THE WINDSHIELD WIPERS WERE DISCONNECTED AND THE CONTACT WAS TOLD THIS WAS A KNOWN FAILURE. THE CONTACT WAS THEN INFORMED TO TAKE THE VEHICLE TO ANOTHER AUTHORIZED DEALER BECAUSE THEY DID NOT HAVE THE PARTS NEEDED TO REMEDY THE FAILURE. THE PARTS WERE NOT AVAILABLE. THE FAILURE AND CURRENT MILEAGES WERE 14,808.
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
I was driving onto an exit ramp around 50 to 60 mph on Rt 50 yo 495 south and VSA light appeared on dash. Also steering felt extremely loose. No control to steer and could not accelerate either.
ACURA MDX (2009) VIBRATION ISSUES: SINCE PURCHASING THE VEHICLE NEW, THERE IS A VIBRATION DRIVING AT SPEEDS EXCEEDING 70 MPH. THE VIBRATION CAN BE FELT THROUGH THE CHASIS AND STEERING WHEEL. THE DEALER HAS REPLACED THE TIRES, RIMS, DRIVE SHAFT AND PERFORMED MULTIPLE BALANCING AND ALIGNMENTS. THE MANUFACTURER REPRESENTATIVE COULD NOT RESOLVE THE ISSUE INITIALLY, BUT LATER SUGGESTED THE REPLACEMENT OF THE DRIVE SHAFT. THIS WORKED INITIALLY BUT THE PROBLEM HAS RESURFACED AGAIN. I FILED A LEMON LAW CLAIM THAT ACURA HAS NEGLECTED TO RESPOND TO FULLY. THEY TRIED TO FIX IT, BUT THE PROBLEM IS STILL PRESENT AND GETTING WORSE. WHEN DRIVING THE CAR, IT FEELS AT TIMES, AS IF THE WHEELS ARE GOING TO FALL OFF. IT IS OFTEN WORSE WHEN DRIVING UP HILL WHEN THE CAR IS COLD AND THE WEATHER COLD. IT APPEARS TO GET BETTER AS THE CAR WARMS UP, THOUGH. THIS ALSO APPEARS TO BE A WELL DOCUMENTED CONCERN THAT IS DOCUMENTED ON DISCUSSION BOARDS SUCH AS: EDMONDS- HTTP://TOWNHALL-TALK.EDMUNDS.COM/WEBX/.F13BAE6?DISPLAYRECENT WHERE THERE ARE CURRENTLY 59 POSTS ON THE TOPIC AND ALL SIMILAR TO MY EXPERIENCE. *TR
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
I was driving onto an exit ramp around 50 to 60 mph on Rt 50 yo 495 south and VSA light appeared on dash. Also steering felt extremely loose. No control to steer and could not accelerate either.
ACURA MDX (2009) VIBRATION ISSUES: SINCE PURCHASING THE VEHICLE NEW, THERE IS A VIBRATION DRIVING AT SPEEDS EXCEEDING 70 MPH. THE VIBRATION CAN BE FELT THROUGH THE CHASIS AND STEERING WHEEL. THE DEALER HAS REPLACED THE TIRES, RIMS, DRIVE SHAFT AND PERFORMED MULTIPLE BALANCING AND ALIGNMENTS. THE MANUFACTURER REPRESENTATIVE COULD NOT RESOLVE THE ISSUE INITIALLY, BUT LATER SUGGESTED THE REPLACEMENT OF THE DRIVE SHAFT. THIS WORKED INITIALLY BUT THE PROBLEM HAS RESURFACED AGAIN. I FILED A LEMON LAW CLAIM THAT ACURA HAS NEGLECTED TO RESPOND TO FULLY. THEY TRIED TO FIX IT, BUT THE PROBLEM IS STILL PRESENT AND GETTING WORSE. WHEN DRIVING THE CAR, IT FEELS AT TIMES, AS IF THE WHEELS ARE GOING TO FALL OFF. IT IS OFTEN WORSE WHEN DRIVING UP HILL WHEN THE CAR IS COLD AND THE WEATHER COLD. IT APPEARS TO GET BETTER AS THE CAR WARMS UP, THOUGH. THIS ALSO APPEARS TO BE A WELL DOCUMENTED CONCERN THAT IS DOCUMENTED ON DISCUSSION BOARDS SUCH AS: EDMONDS- HTTP://TOWNHALL-TALK.EDMUNDS.COM/WEBX/.F13BAE6?DISPLAYRECENT WHERE THERE ARE CURRENTLY 59 POSTS ON THE TOPIC AND ALL SIMILAR TO MY EXPERIENCE. *TR
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
No major incidents, hits, or bumps no off roading only drove on city roads and highways. Tread and all rubber on the outside half of the tire has completely seperated from the inner tire on a section.
ACURA MDX (2009) VIBRATION ISSUES: SINCE PURCHASING THE VEHICLE NEW, THERE IS A VIBRATION DRIVING AT SPEEDS EXCEEDING 70 MPH. THE VIBRATION CAN BE FELT THROUGH THE CHASIS AND STEERING WHEEL. THE DEALER HAS REPLACED THE TIRES, RIMS, DRIVE SHAFT AND PERFORMED MULTIPLE BALANCING AND ALIGNMENTS. THE MANUFACTURER REPRESENTATIVE COULD NOT RESOLVE THE ISSUE INITIALLY, BUT LATER SUGGESTED THE REPLACEMENT OF THE DRIVE SHAFT. THIS WORKED INITIALLY BUT THE PROBLEM HAS RESURFACED AGAIN. I FILED A LEMON LAW CLAIM THAT ACURA HAS NEGLECTED TO RESPOND TO FULLY. THEY TRIED TO FIX IT, BUT THE PROBLEM IS STILL PRESENT AND GETTING WORSE. WHEN DRIVING THE CAR, IT FEELS AT TIMES, AS IF THE WHEELS ARE GOING TO FALL OFF. IT IS OFTEN WORSE WHEN DRIVING UP HILL WHEN THE CAR IS COLD AND THE WEATHER COLD. IT APPEARS TO GET BETTER AS THE CAR WARMS UP, THOUGH. THIS ALSO APPEARS TO BE A WELL DOCUMENTED CONCERN THAT IS DOCUMENTED ON DISCUSSION BOARDS SUCH AS: EDMONDS- HTTP://TOWNHALL-TALK.EDMUNDS.COM/WEBX/.F13BAE6?DISPLAYRECENT WHERE THERE ARE CURRENTLY 59 POSTS ON THE TOPIC AND ALL SIMILAR TO MY EXPERIENCE. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
ON JUNE 30TH 2019 AFTER LEAVING FROM WORK I WAS ON MY WAY TO PIER 1 WHICH IS APPROXIMATELY 2 MILES AWAY. I TURNED INTO THE PARKING LOT PARKED IN FRONT OF PIER 1 AND ALL OF A SUDDEN MY CAR ACCELERATED OUT OF CONTROL. IT JUMPED THE CURB CRASHED THROUGH PIER 1 WINDOW INTO THE STORE AND DIDN'T STOP UNTIL IT HIT A WALL. AT THIS TIME I'M IN SHOCK GLASS IS EVERY WHERE AND I COULD MOVE I HEAR PEOPLE IN THE BACKGROUND TELLING ME TO GET OUT OF THE CAR BUT I WAS FROZEN FROM WHAT JUST HAPPENED. I JUST WANT TO HOLD ACURA ACCOUNTABLE BECAUSE I SEE THIS HAS HAPPENED TO SEVERAL PEOPLE
Too few reports in this category for a page of its own — they appear in the full complaint list.
Heating & air conditioning
Reports naming the heating, ventilation and air-conditioning system.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2009 ACURA MDX. THE CONTACT STATED THAT WHILE STARTING THE IGNITION, THE AIR CONDITIONER WAS ACTIVATED AND A LOUD ABNORMAL NOISE EMITTED FROM INSIDE OF THE VEHICLE. THE FAILURE ONLY OCCURRED DURING THE INITIAL START UP. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER, WHO INFORMED THAT THE MALFUNCTION WAS CONTRIBUTED TO THE FAULTY AIR CONDITIONER SUPPORT BOLTS. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 60,000.
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 .