2009 Acura MDX Acura MDX 2009

We are 109,000+ car owners sharing real-world car information.

Join Us

2009 Acura MDX repairs by problem area

Engine (17%)

Transmission and Drivetrain (12%)

Brakes and Traction Control (2%)

Suspension and Steering (16%)

Electrical and Air Conditioning (29%)

Paint, Rust, Leaks, Rattles, and Trim (17%)

Other (7%)

Chart based on 109 repairs.
See TSBs and recalls for the 2009 Acura MDX.

2009 Acura MDX repair cost distribution

$2500+ (0%)

$1000 - $2499 (5%)

$500 - $999 (6%)

$100 - $499 (36%)

< $100 (53%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 80 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2009 Acura MDX

Engine not specified

Acura MDX in Wisconsin, United States
Nov 2012 - Dec 2012
Dec 2012

47000 mi
steering noise The pump and steering rack were replaced the rack had a small leak 
Acura MDX in Ohio, United States
Feb 2010 - Jun 2011
Mar 2010

11000 mi
Throttle replaced at 5600 miles and then at 10800 - car shut down with no reason again. Dealer said it's a software update problem - comes and goes, nobody knows. 

Return to top

2009 Acura MDX 4dr SUV

300-horsepower 3.7L V6 5-speed shiftable automatic AWD

Acura MDX in British Columbia, Canada
Jun 2013 - Mar 2018
Oct 2013

60760 mi
Low oil level would flash on driver information display occasionally, and then go out, even though oil level was OK on dip stick. 
May 2014

69440 mi
Tab used to adjust drivers side outboard air vent broken off. Cannot adjust vent since it is jammed with the broken part. Problem inspected and parts on order. 
Jun 2014

70680 mi

C $180
Replaced tab on driver's side outboard vent. I noticed the AC wasn't working right after picking the car up from vent repair. Although fan would run, sporadically no cool air from vents. A/C would work around 50% of the time, with no identifiable correlation to anything. A/C relay replaced. 
Jul 2014

71920 mi

C $220
Battery no longer held a charge, and would go dead after listening to the radio (with car off) after 5 minutes. 
Sep 2017

111600 mi

C $125
Rear windshield wiper arm fell off. Plastic mounting piece on arm that goes over the motor shaft failed. 
Feb 2018

115940 mi

C $250
Warning message and warning light that tire pressure monitoring system was not functioning. Dealer replaced Tire Pressure sensors in each wheel. 
Acura MDX in Ontario, Canada
Mar 2013 - Mar 2018
Jun 2013

98580 mi
replaced fan belt and heat shield 
Nov 2014

122760 mi

C $1361
Noise from the front end. Dealer thought it was from the sway bar bushing and strut assembly and had them replaced. Turned out to be the front damper assembly, which the dealer replaced at no additional cost. 
Dec 2014

123380 mi

C $200
transmission sensor defective 
Mar 2016

136400 mi

C $700
Starter was making noise. It was replaced. 
Nov 2016

141240 mi

C $120
Dead battery 
May 2017

145700 mi

C $200
Check for coolant leak 
Acura MDX in New Jersey, United States
Oct 2013 - Jun 2015
Mar 2014

52000 mi
Trunk is stuck and would not open. 
May 2015

60000 mi

US $2100
Engine oil leak. Also replaced timing belt. 
Acura MDX in Pennsylvania, United States
Aug 2012 - Apr 2015
Dec 2013

73000 mi
Battery cable terminals needed to be replaced 
Apr 2015

88000 mi

US $250
Tailgate Spoiler expanded due to heat (weather quick change) spoiler did not allow the tailgate to open close properly 
Acura MDX in Texas, United States
Sep 2011 - Apr 2017
May 2012

41900 mi
Transmission noise drivetrain vibration in the low speed range of 4th gear, sometimes 3rd, also, at a steady speed the tach was bouncing. Dealer replaced Torque Converter and it fixed the issue 
Mar 2016

97000 mi

US $50
Transmission light kept coming on and was intermittent. Took it to Advanced Auto and the error came up as possible 3rd clutch pressure switch. I bought one for maybe $50 and a few hours of labor included taking off the under-engine panels. 
Acura MDX in North Carolina, United States
Jun 2011 - Aug 2013
Nov 2012

64300 mi
hesitation btw 2nd and 3rd gear around the 35 to 45 MPH point. 
Acura MDX in Ontario, Canada
Jun 2012 - Sep 2016
Feb 2013

25280 mi
clicking noise at front when car moving forward or backward, noise going over speed bump. front end bushing and rear bushing defective, repair under warranty. 
Acura MDX in Georgia, United States
May 2014 - Oct 2014
Oct 2014

68000 mi

US $550
Scheduled A1 maint. And light bulb replaced 
Acura MDX in Virginia, United States
Oct 2009 - Jan 2018
Apr 2017

75964 mi

US $408
Windshield washer remained on well beyond normal. Trouble with control stalk on steering column. Windshield washer/wiper stalk removed and replaced due to internal short. Observed a whirring sound from the front end at highway speeds. Wheel bearing, left front, removed and replaced. 4-wheel alignment accomplished. 
Acura MDX in Alberta, Canada
Feb 2009 - Mar 2018
Aug 2017

77500 mi

C $400
All power windows no longer worked. Wiring harness to driver's door was faulty. Required replacement. 
Acura MDX in British Columbia, Canada
Jun 2016 - Jan 2018
Nov 2017

54560 mi

C $54
#5 cyl coil pack went bad causing engine light , shaw light and emission lights to come on . Engine had misfire . checked with obd2 code reader advised code for cyl 5. Pulled connection on #5 coil to determine any difference in engine sound while engine running. also swapped out #5 coil pack with cyl 6 and tested it to determine that coil was indeed bad. Cost of new ignition coil $54.00 cdn. replacement was easy maybe 5 mins. 
Acura MDX in Tennessee, United States
Nov 2009 - Jul 2012
Oct 2009

3000 mi
Driver's seat making creaking noise when turning. Dealer replaced cracked plastic cover. 
Acura MDX in New York, United States
Jul 2014 - Dec 2017
Sep 2014

57000 mi
Car started smoking. Turned out was AC coolant leaking. Fixed that. Check engine and oil light, replaced sensors. All seemed to work for a while, then came back but not as bad...just warning lights. 
May 2016

73400 mi
clunking sound needed new bushings both sides Another light came on for check engine oil 
Acura MDX in Ontario, Canada
May 2014 - Dec 2014
Aug 2014

83680 mi

C $400
replaced struts and shock absorbers 
Acura MDX in Maryland, United States
Jun 2014 - Jul 2015
May 2015

71600 mi

US $100
Driver key settings would not be recalled consistently - replaced mirror actuators. Much better performance in general but still occasional issue. I suspect problem with the radio system. Plastic control slide switch on drivers side air vent broke off and gas cap leash broken. Dealer would not replace under extended warranty since they are considered cosmetic. Quoted $180 to fix the vent since full replacement was required. During wheel bearing replacement, dealer dislodged CV boot. Identified during tire replacement at another shop. 
Jul 2015

73000 mi
Plastic control slide switch on drivers side air vent broke off and gas cap leash broken. 
Acura MDX in Tennessee, United States
Dec 2014 - Oct 2015
Mar 2015

77000 mi

US $200
One of the sensors measuring exhaust wore out and had to be replaced. Mechanic said it was standard to have to replace such sensors occasionally. 
Acura MDX in Ontario, Canada
Feb 2012 - Nov 2013
Feb 2013

56600 mi
actuators were replaced to correct an issue with the memory seats/steering wheel etc 
Acura MDX in Virginia, United States
Jun 2011 - Mar 2018
Sep 2011

28000 mi
wind noise from drivers side door. changed weather stripping. dealer determined it is a natural characteristic of car. 
Mar 2012

31000 mi
Driver's seat shifts/rocks-dealer unable to duplicate until owner pointed out.  Sunroof does not close from tilt function-cleaned, lubed and realigned sunroof and tracks. 
Jun 2012

33000 mi
passenger side mirror actuator bad driver's seat rocks/shifts sunroof not closing from tilt function-intermittent 
Nov 2012

37300 mi
TSB-PCM software update issued by Acura Sunroof intermittently will not close from tilt Driver's side floor mat hook broken Driver's side mirror actuator not working for tilt function in reverse causing the car not to recognize driver's settings. 
Feb 2013

38400 mi
Passenger mirror actuator binding (2nd time) Hands free link drops incoming calls back to phone (phone compatible with system) Cold start up noise (brief whirring/squeal) when extremely cold as soon as key is turned. Dealer unable to determine cause based on video provided by owner of noise or after 2 over night sits at the dealer (not duplicated). 
Jan 2014

38800 mi
Cold weather start up noise as ignition turns over. Starter replaced. Squeak/chirp from passenger side of engine bay. Accessory belt and tensioner replaced. in cabin HVAC chirp. cold weather start up noise not found from prior trip. replaced power steering pump. 
Jul 2015

61700 mi

US $250
Creaking to front end, replaced front away bar end links and bushings. 
Oct 2016

77200 mi

US $130
Oil pressure sensor going bad (check oil light on), Oil levels ok. Replace oil pressure sensor. 
Feb 2017

78000 mi

US $400
Front passenger wheel bearing going bad 
Feb 2018

88000 mi

US $300
Inner CV boot torn/leaking (pass.), replaced boot repacked CV joint. 
Acura MDX in Massachusetts, United States
Aug 2009 - Oct 2015
Oct 2015

71000 mi

US $400
Bluetooth unit not working 
Acura MDX in Ontario, Canada
Nov 2009 - Mar 2014
Jun 2009

620 mi
Rear Suspension Thump. Fixed under warranty 
Sep 2009

7440 mi
Compliance bushing. Clicking noise when turning or braking 
Mar 2010

9920 mi
Driver side mirror motor sensor was bad causing memory seats to not move to their respective positions when unlocking with key fob. I would hit the memory button on the door a few times before it would adjust to driver settings. 
May 2010

12392 mi

C $400
water leak noticed in the rear liftgate everytime I went through a car wash. Water leak detected in the rear liftgate. Dealer was able to find the leak, requested a new appointment to get an expert in to fix it. Plus got the B16 service done which cost around CDN$400 
Jun 2010

14260 mi
glass resealed 
Nov 2010

19220 mi
Torn driver side CV boot. 
Oct 2011

24800 mi

C $186
Lazy shifting. Even though the MID showed B12 svc, I got the tranny fluid changed. Sticky Passenger rear door handle. Covered under warranty/TSB. 
Acura MDX in Indiana, United States
Oct 2009 - Jul 2013
Dec 2009

1000 mi
car pulls to left at highway speeds. steering wheel makes clicking sound. dealer says not a problem. it's a problem and makes car a pain to drive. 
Jun 2013

71000 mi

US $630
3rd gear sensor. Maintenance code "Transmission P0847" 
Acura MDX in British Columbia, Canada
Nov 2009 - Jan 2014
Jan 2014

31620 mi

C $123
Water leaking on driver A pillar from roof rail. 
Acura MDX in Districto Federal, Mexico
May 2009 - Mar 2011
May 2010

3100 mi
door armrest falling apart 
Acura MDX in Rhode Island, United States
Dec 2008 - Sep 2016
Jul 2013

49500 mi

US $90
Loose heat sink caused humming noise at specific rpm range 
Acura MDX in British Columbia, Canada
Jan 2009 - Jan 2010
Feb 2009 They had to replace the windshield because it was scratched.  
Acura MDX in Ohio, United States
Jan 2009 - Apr 2012
Nov 2009

7000 mi
Throttle body replaced due to problems with throttle body sensor malfunctioning. This in turn led to stalling, racing, and engaging "limp home" mode. 
Mar 2010

9000 mi
Computer system failure. Complete replacement of ECU.  
Mar 2011

19000 mi
Bad power mirror actuator. 
Mar 2012

29000 mi
Throttle position sensor failure, in "Limp Home Mode" 
Acura MDX in Indiana, United States
Nov 2009 - Sep 2012
Dec 2009

1000 mi
intermittent noise emitted from front differential. 
Acura MDX in North Carolina, United States
Nov 2009 - Mar 2018
Aug 2010

14000 mi
Memory seats no longer worked for driver 2, sensor in driver mirror was defective. Dealer replaced during normal oil change took about 1.5 hours.  
Dec 2012

60000 mi
Power steering pump was replaced under recall 
May 2014

84000 mi

US $90
AC clutch relay was defective and replaced. 
Mar 2016

125000 mi

US $275
Door lock actuator was intermittently having problems on rear driver door. Door lock actuator replaced in 40 min. Problem solved. 
Sep 2016

136000 mi

US $289
O2 sensor was replaced. Took 2 hours to do. 
Jan 2018

170000 mi

US $1200
CV joints. Replaced both front (driver and passenger side) axles. 
Acura MDX in Connecticut, United States
Aug 2010 - Mar 2018
Sep 2011

25000 mi
Power seat and steering wheel position memory were not working. 
Acura MDX in Manitoba, Canada
Sep 2016 - Mar 2018
Oct 2017

96720 mi

C $1000
had to change the headlight housing and the hid ballest and igniter. 
Feb 2018

109740 mi

C $350
replace left rear wheel bearing replace front right tie rod end 
Acura MDX in Wyoming, United States
Dec 2010 - Jun 2013
Jun 2012

26000 mi

US $80
Complete lack of throttle/engine response suddenly at highway speed. Multiple error codes. Dealer cleared multiple error codes but did not find a problem. 
Jun 2013

34000 mi
Power steering pump bad; replaced under warranty/recall 
Acura MDX in Ontario, Canada
Apr 2009 - Mar 2018
Jun 2009

744 mi
Replacement of spoiler and body/paint work to repair roof damage caused by spoiler interfering with roof when hatch raised. 
Jul 2013

26240 mi

C $125
battery died after sitting 3 days. Replaced battery with new. New battery died, twice. Suspect nav parasitic drain, did not reset after last die, no longer dies. Will take to dealer for fix when I return from cottage in November. 
Aug 2014

33480 mi

C $640
rear inner pad got stuck, wouldn't release, wore into metal. Replaced rear rotors and pads 
Dec 2014

35340 mi

C $171
Replaced left front link 
Oct 2017

54870 mi

C $700
For the second time since new, a rear caliper stopped sliding and one pad wore to metal. Evidently a weakness with this vehicle. 
Acura MDX in Oregon, United States
Nov 2009 - Jan 2016
Feb 2014

49000 mi
The CD player would not work. The car went in for its 45000 mile maintenance and they had to replace the CD player. 
Nov 2015

69000 mi
My driver's side mirror kept " wandering" after I set it and reset it and reset it !! 
Acura MDX in Pennsylvania, United States
Oct 2009 - Mar 2018
Oct 2011

15000 mi
possibly problem with torque converter Replaced torque converter. 
Acura MDX in New Mexico, United States
Nov 2008 - Dec 2016
Aug 2010

32000 mi
Passenger mirror didn't return to position after backing up. Actuator replaced driver's side window had a small rattle. They replaced the channel with a newer one with a snugger fit. Rattle was gone. 
Oct 2012

64000 mi

US $100
Passenger side mirror was ratcheting when tilting while backing up. New mechanism was required. 

Return to top

2009 Acura MDX 4-door

6-cylinder automatic AWD

Acura MDX in California, United States
Dec 2010 - Jul 2013
Jan 2011

16000 mi
Memory seat didn't work. Steering wheel would retract but not come back out when key was reinserted. Replaced mirror and memory computer per TSB. After replacing back up camera for other problem, they are unable to have good plastic panel fit on inside of back hatch. Attempted twice. Still not perfect. 

Return to top

2009 Acura MDX 4-door

6-cylinder automatic 4WD

Acura MDX in New York, United States
Jan 2012 - Apr 2012
Feb 2012

22300 mi
XM radio stopped working-entire module had to be replaced 

Return to top

See TrueDelta's information for all SUVs
See TrueDelta's information for all Acura models.

2009 Acura MDX Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2009 Acura MDX problems occur, check out our car reliability stats.