The 2009 Acura MDX came with a single engine, the 3.7L SOHC V6, in one Base Sport Utility 4-Door trim, and this factory service and repair manual is written to that exact configuration. It is matched to this model year, so the specifications and sequences are correct for your vehicle.
Engines
- 3.7L V6 — 3664cc (224 cu in), SOHC, naturally aspirated, gas
Trims
- Base Sport Utility 4-Door
Known issues on the 2009 Acura MDX. No recalls are on federal record for the 2009 Acura MDX. Owners have still filed 74 complaints for the year, and Acura has issued 22 technical service bulletins covering it. This manual carries the factory diagnostic and repair procedures behind the systems those reports point to.
From a routine service interval to a hard-to-trace wiring fault, it keeps you on the OEM procedure and the correct specification for your specific 2009 MDX.
Service News - The navigation clock and date are incorrect. This is due to a limited GPS receiver capacity resulting in rollover of internal chip memory. The rollover occurred on January 1, 2022 at 12:00AM local time
ServiceNews Article - The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022, at 12:00AM local time. As a re
Special Tool Loan Program: Under TOOLS AVAILABLE FOR LOAN, the list has been updated.
These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts
Dealer message - Today, May 24, 2018, Acura is announcing a warranty extension for 2002-17 Acura vehicles. This warranty extension applies in cases where any of the replacement driver?s and/or front passenger?s airbag inflators have failed
Service bulletin - The VSA indicator or the trailer stability assist warning is on with DTCs 59-1, 66-1, 67-1, or 69-1, or you can?t move the shift lever out of Park. The symptoms may be intermittent, and you may not be able to duplicate th
Service bulletin - There is a screech or squeak when the windows are raised or lowered. The lower seal on the door glass outer weatherstrip rolls over, causing a screech or squeak.
Service bulletin - Warranty Extension: 2007?09 MDX and 2010 ZDX Front Active Damper - This bulletin will expire May 8, 2017. In cold areas, the front active dampers may be susceptible to leaking. Since these dampers are mounted in an invert
Showing the 8 most recent of 35 technical service bulletins on file with NHTSA.
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. S
TL* THE CONTACT OWNED A 2009 ACURA MDX. WHILE THE CONTACT'S SPOUSE WAS DRIVING 5 MPH PULLING INTO A PARKING SPACE, THE VEHICLE INADVERTENTLY ACCELERATED AND CRASHED INTO A STORE. THE CONTACT WAS UNSURE IF ANY WARNING INDICATORS WERE ILLUMINATED. THE AIR BAGS DEPLOYED AND THE DRIVER SUSTAINED MINOR INJURIES, WHICH DID NOT REQUIRE MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO A TOW LOT AND DEEMED A TOTAL LOSS. THE MANUFACTURER STATED THAT THEY WOULD NOT SEND AN INSPECTOR T
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
TL* THE CONTACT OWNS A 2009 ACURA MDX. THE CONTACT STATED THAT WHILE REVERSING, THE BRAKE PEDAL WAS DEPRESSED AS THE VEHICLE SUDDENLY ACCELERATED CAUSING THE CONTACT TO CRASH INTO A POLE. THE CONTACT PLACED THE VEHICLE INTO DRIVE AND THE VEHICLE PROCEEDED TO ACCELERATE, AND THEN CRASHED INTO A BUILDING. A POLICE REPORT WAS FILED AND THERE WERE NO INJURIES REPORTED. THE MANUFACTURER INVESTIGATED THE ACCELERATION AND BRAKING SYSTEM AND CONCLUDED THAT THE SUDDEN ACCELERATION WAS NOT CAUSED BY A MAN
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 ASS
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.
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
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.
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..
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
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 LEMO
MY 2009 MDX WITH 3500+ MILES HAS BEEN TAKEN TO DEALER 3 TIMES IN THE LAST MONTH. ONCE I HAD TO GET IT TOWED TO DEALERSHIP. FIRST TIME I WAS TOLD THAT THEY WAS ISSUE WITH POOR QUALITY TIMING BELT PULLEY. SO TIMING BELT GOT SHREDDED. THEY HAD TO REPLACE THE BOTH. THEY TOOK ALMOST WEEK TO REPLACE IT. WITH IN A DAY, 2009 MDX DEVELOPED ISSUE. THIS TIME THERE WAS AN ISSUE WITH CATALYTIC CONVERTER. THEY TOOK ANOTHER WEEK TO REPLACE. AGAIN WITH IN TWO DAYS, "CHECK EMISSION SYSTEM" CAME UP AGAIN. THIS TI
AFTER 4-5 YEARS OF USAGE, THE BLUETOOTH DOESN'T WORK ANY MORE. THE ACURA DEALER SAID IT COSTS MORE THAN $600 TO BE REPLACED WITH NEW ONE. I CHECKED UP THE INTERNET, AND LOTS OF ACURA MDX OWNERS HAVE ALREADY ACKNOWLEDGED THIS PROBLEM AND LOOKING FOR A SOLUTION ON THE INTERNET. EVERYONE HAS EXACTLY SAME PROBLEM AND IT EXACTLY HAPPENED 4 -5 YEARS AFTER PURCHASE.
APPROXIMATELY 3 MONTHS AGO I WENT TO START THE MEDIC AND IT WOULD NOT START. NO LIGHTS OR ANY OTHER ACCESSORIES WERE LEFT ON. THE CAR WAS JUMPED AND STARTED. BEING THE CAR WAS 4 YEARS OLD AND I HAD REVIEWS OF BATTERY PROBLEMS IN THE MEDIC, I HAD THE BATTERY REPLACED. ABOUT TWO WEEKS LATER IT WOULD NOT START AGAIN. IT WAS JUMPED AGAIN AND TAKEN TO AN AUTO REPAIR SHOP TO BE TESTED. THE REPAIR SHOP SAID THE BATTERY WAS WEAK, SO IT WAS REPLACED AGAIN. IT'S BEEN ABOUT 2 MONTHS NOW AND TODAY WH
2009 ACURA MDX WITH LESS THAN 4000 MILES DEVELOPED AN ISSUE WITH TIMING BELT PULLEYS, TIMING BELT AND FRONT PART OF ENGINE. *TR
Showing the 15 most serious of 52 complaints filed with NHTSA.
