2007 Acura MDX Acura MDX 2007

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2007 Acura MDX repairs by problem area

Engine (18%)

Transmission and Drivetrain (6%)

Brakes and Traction Control (2%)

Suspension and Steering (17%)

Electrical and Air Conditioning (39%)

Paint, Rust, Leaks, Rattles, and Trim (11%)

Other (8%)

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Chart based on 518 repairs.
See TSBs and recalls for the 2007 Acura MDX.

2007 Acura MDX electrical repair cost distribution

$2500+ (1%)

$1000 - $2499 (5%)

$500 - $999 (17%)

$100 - $499 (32%)

< $100 (46%)

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Chart based on 155 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2007 Acura MDX

Engine not specified

31000 mi driver side power window couldn't open, brought it to dealer and a computer reset fix it 

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2007 Acura MDX 4dr SUV

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

107260 mi A/C sensor 
58900 mi Driver side mirror actuator (which affects memory seat/mirror execution if mirror sticks). Just bought the vehicle Certified used from dealer so dealer replaced free of charge even though not under warranty. 
62000 mi The nav system was randomly resetting and the hands free link system did not work. Both were replaced under CPO warranty. 
80000 mi

US $270
Needed to replace two motors for controlling the mirrors Battery indicated it needed to be replaced. 
73000 mi

US $125
A/C system was recharged. Small leak in A/C system detected. 
93000 mi

US $200
Bluetooth unit (Acura's HandsFreeLink) went out and needed replacement. 
96000 mi 6 Disc CD player experienced a mechanical error that resulted in two CDs getting stuck in the CD player. After, removing the power to the CD player, one disc was recovered. CD player will play CDs again. 
108000 mi

US $1000
The AC was weak and sometimes would take awhile to get cold. 
90000 mi Battery, which had a install date of 01/09, needed to be replaced 
65000 mi

US $110
Heater/AC blower very noisy at all fan speeds. Suspected debris in fan. Removed cowling under wipers and cleaned out debris, replaced cabin air filter and noise persisted. Replaced blower motor with new. Problem resolved. DIY. 3 hours. 
65500 mi

US $58
Driver seat, steering wheel and mirror settings would not fully or intermittently return to driver-specific settings. Due to faulty power mirror actuators, addressed by TSB. Repaired under warranty. Audio speaker popped at engine startup. Audio system software updated in accordance with TSB, service advisor said it would take a $770 amp replacement, but we go that straight. Update seemed to fix problem. Covered under goodwill warranty. 
87300 mi HID low beam headlight burned out. Purchased Sylvania D2S replacement at Advance Auto Parts for $70 and paid $40 to have replaced. 
121000 mi

US $300
A/C relay failed and caused an over-pressure releasing all refrigerant through relief valve. Replaced relay and re-charged. No leaks found. 
126000 mi

US $1490
A/C stopped blowing cold air. After re-charge and running for several hours, a small leak was found at the compressor discharge fitting. Compressor and schraeder valves were replaced. System evacuated and re-charged. 
128932 mi

US $174
Replaced Hands Free Link module 
135008 mi

US $200
Replaced windshield washer reservoir and pump due to unrepairable leak. 
135512 mi

US $800
Replaced alternator 
136948 mi

US $500
A/C blows warm air, replaced relay, recharged 
137628 mi

US $600
A/C blows warm air. Troubleshot, r/r relay, recharge 
140000 mi

US $600
LP Suction pipe assembly replacement 
142000 mi

US $800
A/C blows warm air. Replaced evaporator. 
142000 mi A/C blows warm air. R/R LP suction line following shop damage. Recharge a/c. 
45260 mi Heated seat switch was replaced (Dealer claims) but the heated seat switch would not stay in high position until car warmed up. Front right headlight washer won't retract. 
45880 mi Finally fixed heated seat problem. Finally the dealer was able to fix the heated seat switch. 
51340 mi Check Engine Oil Level light randomly flashing. First trip - Dealer unable to duplicate. Second trip - Found TSB for issue. Dealer ordered part. Agreed to do under warranty as goodwill. Third trip for repair pending. 
55180 mi Getting into car from repair one, noticed seat was way out of position. Memory seat would not work but knew it was working before I dropped off. Dealer had to replace some part they broke behind the mirror and apologized. Lost another 30 min. 
60140 mi Hands Free Link Module failed. So Bluetooth connection to phone does not work. HFL Button on steering wheel does not work. 
60440 mi Dead battery. Dealer unable to explain. Battery was replace Dec 2011 
60760 mi Dead battery. Faulty HFL draining the battery while car was off. Choose to disconnect faulty HFL. Repair cost was just NUTS!!!! Even with Acura offering a discount but would not repair as good will. 
90300 mi Drl warning light. Front left drl burnt out 
94680 mi

C $500
Car started to make a whining noise. Then wouldn't start. Then when jumped with a different car - dash lights started to flash all sorts of warnings. 
105400 mi

C $100
AC stopped working. Replaced relays. 
77200 mi Replaced air conditioning compressor clutch relay under "goodwill warranty," plus loaner car. No cost to us. 
82000 mi Replaced battery. 
48500 mi Replaced alternator. 
86000 mi Hands free link failed, replaced. 
97000 mi

US $223
Replaced "air mix motor". 
92000 mi

US $800
Navigation system just freezes & won't work, and scheduled brake, alignment, etc. 
86000 mi

US $600
Some type of AC vent motor went bad and had to be replaced. Drivers door power door lock failed. Refused to lock or unlock. 
106400 mi

US $400
Warning sensors kept advising of engine problems. Warning sensors were apparently defective and replaced. 
113400 mi

US $100
Air conditioning started not working intermittently. Faulty sensor was replaced and all was fine since. 
122000 mi Battery died after only 16 months. Was replaced at no cost under warranty. 
37000 mi Memory seats not memorizing. Told it was not a problem first trip. Took back and side mirrors were affecting the memory settings and it was replaced. under warranty. 
80300 mi

US $150
Battery needed replacement. Also did several maintenance and warranty items not included in cost above. Total with maintenance is $875. 
58000 mi

US $250
Driver's side mirror juddered when mirror tilted down for reverse view. Dealer determined that actuator needed to be replaced. 
76000 mi

US $15
Car was experiencing a parasitic current draw. Took it to local repair shop and mechanic diagnosed that it was somewhere on the A/V/Nav circuit. Internet research revealed it was bluetooth module which i disconnected. Will replace later. 
76000 mi Bluetooth module never replaced. Cause of parasitic current draw. 
91000 mi oil sensor pressure switch 
61700 mi side view mirrors operated very choppy. actuators were replaced under warranty. 
92000 mi

US $150
Old car, dead battery. They replaced the battery after testing it. 
93000 mi

US $800
Old car, dead alternator. The car was towed to the dealer after dying on the street. The dealer replaced the alternator. 
43400 mi

C $280
HFL (bluetooth)stopped working and I had to replace it. Cost me $200 to buy from the the States (I live in Canada) and $80 to install by dealer. 
97340 mi

C $189
First If I run my air condition then car wont start. I was told by mechanic problem is coil charger but it was battery. There should be sign for battery replacement. Well after 6 years you could expect battery :) 
136000 mi

US $450
Alternator was replaced broke down not charging battery 
135000 mi

US $500
Sensors for seat belt malfunctioning 
115300 mi Alternator and door locks needed repair. Fix under 1 month, 3,000 mile used car warranty. 
115900 mi

US $160
Previous repair by repair shop who repaired the door locks somehow made the power windows not work correctly. 
99000 mi

US $1800
Alternator died and needed to be replaced. 
135000 mi

US $650
Replaced headlights. 
95480 mi

C $700
replace alternator 
95480 mi

C $600
HID light 
134000 mi

US $370
Replace alternator 
93000 mi

C $60
flickering headlights replaced HID bulbs 
93620 mi

C $50
Air mixer motor 
196540 mi rear gate actuator intermittent sets off alarm, thinks its latch is open. 
201500 mi

C $570
Alternator failed, shorted terminals, absolutely no electrical power even from battery. Catastrophic fail, left vehicle completely dead. 
162000 mi

US $900
Car dies on the road, towed to dealer who replaced alternator and battery for almost $900 
58000 mi

US $200
The HFL (Hands Free Link) module would randomly activate w/ car off kill battery to 3 volts in 2 hours. 2 weeks to determine the root cause and disable the HFL. Too many discharges for the batt. Will not replace the HLF. 
105000 mi

US $800
AC clutch changed 
65500 mi

US $160
transmitter on key failed, had to be replaced 
94000 mi

US $500
Alternator didn't work. it was replaced 
104000 mi

US $1500
radio replaced. Repair technician claimed that radio was draining power which would explain why mdx wouldn't start. Turned out not to be true when cars till wouldn't start with new radio.  replaced keyless memory part, fixed battery drain 
82000 mi

US $120
Replaced original battery. 
84700 mi

US $160
Bulb is available cheaper online, but labor to bring the car back would have been too much. The mechanic did take longer to get the bulb out. If he was proficient in this HID Light system, he could have done it quicker. 
108500 mi Compressor making some whirring sounds when AC is on. 
109700 mi Rear passenger side window does not stay up on winding up.Motor runs but does not have any effect on the window. 
98000 mi

US $400
Battery was load tested, passed. Alternator failed, replaced 
88500 mi

US $600
This actually occurred in December 2013 but that date was not available in drop down. Alternator failed. We hoped this would solve our battery failure issues but those issues have continued. 
89000 mi

US $500
Air conditioning needed a new valve and relay. For the last 2 years, battery has been draining and no one can pinpoint problem. Battery has died and been replaced multiple times. Occasionally car has had to be towed as it wouldn't even jump start. 
89000 mi Battery continued to die and no one could determine what was draining it. Got tired of continually going out to garage to a dead battery and having to replace it. Finally decided to get rid of car as it was unreliable and left me stranded. 
77000 mi

US $180
Handsfree Link was draining battery 
125000 mi

US $60
Passenger side mirror actuator motor intermittent. This was causing malfunctions of the memory settings for the driver's seat/steering wheel/outside mirrors. 
140800 mi

US $80
Navigation DVD player failure (DVD player located under driver's seat). Ordered new Alpine DV36M110 internal components and swapped them out. 
84000 mi Technology computer module for voice activation system and blue tooth functions failed. $25 part yet Acura wants to replace entire module for $700 Bought technology computer module for voice activation system and blue tooth functions directly from Johnson Controls. Simply plugged it in. 
46000 mi "Hands Free Link" steering wheel driver-specific auto-adjust feature worked only sporadically. Dealer tested and found that vertical and horizontal sensors for mirrors failed. Replaced left and right mirror actuators. 
3000 mi perceived problem with "staticky" front center audio speaker. also had rear 12 volt plug in fuse replaced. it was blown. 
18000 mi Replaced the front center speaker which was the subject of my complaint in February last year. 
50000 mi Light was out for a comfort control button. 
121800 mi

US $500
Alternator failed 
79000 mi

US $1500
Replace bluetooth module. 
126400 mi

US $980
Replaced passenger side mirror motor 
140600 mi

US $800
Original alternator was replaced 
11160 mi Backup sensor stopped working (Dealer installed Acura accessory- on vehicle since new) 
11780 mi Backup sensors stopped working (dealer installed original accessory on the car when purchased). Original trip in January for the diagnosis. Had to bring the car back because the part was on order. When we brought the car back the part was working fine. 
24800 mi Backup sensors malfunctioning, dealer installed acura accessory. 
25420 mi Backup sensors replaced. 
92000 mi

US $500
Message light: check charging light came on. Cleaned and changed battery posts. Light went off. Light came back on two days later. Car died on 2nd day. Replaced alternator and no further problems. 
120800 mi

US $330
Starter had to be replaced. Wouldn't start, but fixed at my house so not towed. 
43000 mi CD changer not working. 
53000 mi Airbag not function light on 
75000 mi Air bag waring light on all the time 
124000 mi drive side air bag warning light. 
130000 mi Air bag light alway on for the driver side.peoblem since 20000 miles , never fix. They say now is not in warranty. Need to charge. 
70000 mi

US $150
AC quit working. Replaced bad relay sensor 
80000 mi

US $1600
Headlight out. Replaced bulb, control unit, igniter. Outside mirror actuators not working correctly, replaced, also this fixed the seat memory issue.. $190 
146700 mi

US $215
Bluetooth unit for phone quit 
92800 mi

US $185
Bluetooth module went bad and drained battery. Replaced bluetooth module. 
130500 mi

US $100
AC Relay stuck needed replacing. 
19000 mi Spots on audio display from the inside. Replaced. 
93000 mi Bluetooth failure 
112500 mi Replaced a clutch on the AC unit 
123000 mi

US $800
Replaced positioning servo in drivers seat 
11000 mi Malfunctioning CD player 
45500 mi

US $180
After 6 years, I had to replace my original battery. 
57000 mi

US $350
Positive battery terminal stretch out, needed new cable - $85 for parts plus 2 hours of labor to route new cable to starter motor, fuse box and elsewhere. 1.5 year old Acura battery also replaced under warranty, and could have been due to 
69000 mi

US $200
Wiper stalk had to be replaced. Wipers turning on randomly and would not turn off. Known issue from 2010 but had to pay to replace part. 
72300 mi

US $400
Bluetooth Module failed. Killed battery and replaced module. 
29000 mi Radio turns on after Hand Free Link even if radio was off. Pop from speakers when turning car on, but stereo off. Buzzing from center speaker during certain songs. 
30000 mi Radio turns on after Hand Free Link even if radio was off. Pop from speakers when turning car on, but stereo off. Buzzing from center speaker during certain songs 
39000 mi

US $150
Right Inverter/Igniter was bad. Right ignitor/inverter was bad. Low beam HID bulb is out. Determined to be bad inverter, not the bulb. 
48000 mi Passenger side view mirror clicked when turning. 
48300 mi Mirror actuator replaced 
166000 mi Window stuck down. Rear window jumper harness replaced 
187000 mi Mixer wasn’t working. This is a common problem 
47000 mi passenger mirror motor actuator requires replacement 
48000 mi mirror motor actuator installed. 
22000 mi TSB for radio powering on when HFL activated then turned off. 
31000 mi NAV DVD drive scratched disc, rendering it inoperable 
9000 mi CD used to run in the background even if the mode was changed to XM, radio or AM/FM. Dealer replaced the radio. 
129200 mi

US $1100
Alternator failed and car stopped in middle of road. Had to tow to the dealer and get it fixed. 
16000 mi Rear power hatch motor control unit replaced per TSB to fix battery drain issue when door is left open. 
89000 mi Rear Power Hatch not operational. Dealer confirmed the issue but did not have vehicle for enough time to fully diagnose or fix the problem. 
95000 mi

US $700
Rear power liftgate not working. Loose cable reconnected fixed the issue. 
97000 mi

US $500
Drivers Door Actuator switch,  
13020 mi Popping in rear speakers when ignition initially turned on. 
11000 mi Speaker "pop" in cold weather when ignition key is turned to On. Most noticible from front speakers. Also found TSB-07-052 which called for an amplifier replacement and software upgrade to solve the problem. 
33000 mi When using key fobs, all doors will lock except Driver's door and rear tailgate. Have key in the door to lock and set alarm. Dealer "could not replicate" this problem, but it has been happening for 3 weeks. Mysteriously, it works now. What did they do? 
78200 mi

US $120
Replaced Bluetooth unit in Air Cond Rear Vent area of center console. Replaced because BT was no longer working. 
6000 mi Pop sound from speakers during start up, new Amp ordered, to be installed at later date. 
10000 mi CD player would not eject CD. 
23300 mi Seat memory feature stopped working intermittently. Dealer was able to repair it but I don't know what they did. 
32000 mi CD got stuck in Disc changer. Disc changer was not working.  
68000 mi

US $100
The battery was completely drained after one week of no use, and the battery was new (replaced one month ago). Mechanic discontinued HFL. But even after that, diag shows something still is draining the battery. 
61000 mi

US $344
Mirrors not working when in reverse. Had to replace right and left mirror actuators. 
33000 mi Replaced CD changer. 
35000 mi Audio system had a pop at turn-on. Dealer updated software. 
60000 mi Suspension indicator light out.  
5000 mi Replaced defective HomeLink unit. 
50000 mi

US $35
Center top rear brake light assy does not illuminate when brake pedal is activated. Replaced brake pedal switch. Switch contacts had a 3 volt drop. 
50300 mi

US $35
A/C Compressor clutch does not engage. An internet search indicated the A/C clutch relay was the suject of a TSB for other Acura/Honda vehicles. Found the "Omron" style relay installed. Replaced relay and fixed the problem. The Memory system for seats, steering wheel etc does not remember the settings. An internet search indicated this was a common problem with Acura/Honda vehicles and caused by the side mirror actuators. Both mirror actuators replaced. 
59300 mi Hands Free Link to my Apple iPhone would be "lost". Re-synching would fix the problem for a month or three and be lost again. Re-synched iPhone again. Discovered that DTC Permanent Codes B2208 and B2207 were set. Still under investigation. 
61000 mi

US $150
Installed updated software for the Hands Free Link and the "lost" iPhone issue has not repeated. It also appears to have stopped other "Communications" DTC on various computers linked to each other. 
88000 mi Unable to update NAV DVD. Receive an error message when trying to replace a new NAV disc that new disk is older than the old desk already installed. Tried all the internet tricks but nothing works. 
22000 mi Defective sensor for side airbag. 
20000 mi Passenger side-view mirror drive motor. 
52000 mi Green light on Active Damper Switch in Comfort mode (on console) not working. Switch itself works normally. Advised bulb (or whole switch) is $20.00 but labor approx. $250.00. Requires disassembly of console. Car is out of warranty. 
55500 mi

US $10
Noise under hood. Replaced the AC tensioner pulley but this didn't stop the noise. Saw oil coming from the ac high pressure relief valve, had to order one. Took half a day to replace the valve. But the noise recurred the same day after I test drove it to get it hot, and then the ac "dumped" its refrigerent in front of the tech. A possible plugged ac line or condenser was suspected.  Determined that it wasn't a plugged line but simply a faulty relay at the compressor causing the pressure to build up. The noise has not recurred. 
75000 mi Check ignition electrical circuits. Open steering column to inspect and reconnect wires to ignition switch that had somehow come loose. 
98000 mi

US $208
Bluetooth/handsfreelink controller would drain battery by constantly looking for a paired phone even when engine off. Replacement fairly easy to do. 
103000 mi

US $825
Original Alternator stopped charging. Replaced $525.00 est. 
104000 mi

US $3200
Blown front left door speaker. Speaker cone had gradually split. Rather than just put in an OEM speaker I splurged and had the audio shop upgrade the sound system. Except I didn’t replace the head unit which requires the OEM unit @ $1000.00. 
106000 mi

US $400
Driver’s seat airbag sensor wiring harness had a fault, likely developed from moving seat back and forth over the years. Replaced harness. 
106000 mi

US $225
Low beam headlight bulb replacement passenger side is expensive! 
13000 mi The memory seat did not function properly. The problem was a faulty seat position sensor. 
27000 mi Windshield wipers come on randomly when the wipers are turned off. Happens once or twice a month. The wipers sweep once across the windshield, go back to their start position, and stop. The dealer couldn't replicate problem. 
10120 mi Replaced defective CD changer unit (entire audio unit) with reman unit. 5 CDs stuck inside and would not eject. 
10000 mi Defective CD changer. 5 CDs stuck inside, would not come out. Replaced with remanufactured unit under warranty. 
6000 mi "pop" noise came out of the audio system when the engine starts. 
6000 mi "pop" noise came out of the audio system when the engine starts. 
70600 mi

US $150
Front passenger window stopped working. Dealer had to perform a reset of the power windows switches. 
71800 mi

US $350
Hand Free Link stopped working and was draining the battery while car is parked, hence I unplugged the HFL module. The drain has reduced from 640mA to 460mA, so still investigating where to drain is. Normal should be less than 40mA. 
81000 mi

US $350
Drive seat memory module no longer worked and has to be replaced. 
83000 mi

US $350
Voice activation system 
84000 mi

US $300
The hands-free module was broken causing battery drains and inability to synch with mobile phones. 
108000 mi

US $520
Warning light saying charging system failure followed by many other warnings when the battery was dying. Eventually the battery was drained and the care was disabled. 
21000 mi The master switch that enables cruise control would not allow the cruise control to activate. The cruise light on the dashboard would come on when the master switch was depressed but go out when released. A new switch was ordered and installed 2 days late Dealer called day after problem was diagnosed and made appt't for the next day. switch was replaced and was back on the road in about 1 hrs. time. prob. resolved. 
21000 mi Green corrosion built up on pos. battery term and onto cable clamp destroying finish on clamp. Dealer put felt O rings around batt. terms. and replaced pos. batt. cable. 
145000 mi The wiring harness to the driver door failed so that all the power windows , sunroof and mirrors were inoperable due to broken wires in the harness. As of today the harness is back ordered since last September 2021. 

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2007 Acura MDX 4-door

6-cylinder automatic AWD

12000 mi Passenger side mirror kept getting stuck in down position. A new control circuit switch was ordered and installed. Did not fix.  Entire new passenger mirror was ordered and installed. Repair successful, but door is now buzzing uncontrollably. 
38000 mi both door actuators went out, so doors would not open with opener. Hatch was not working due to driver and passenger door problem. Pending approval for front rotor replacement review...warped at 20k. 
15000 mi Driver side air conditioning not working properly. 
3000 mi CD/DVD ejecting issue, dealer could not replicate Problem still exists, though intermittent 

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2007 Acura MDX Electrical Problems

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 2007 Acura MDX problems occur, check out our car reliability stats.