2005 Acura MDX Acura MDX 2005

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2005 Acura MDX repairs by problem area

Engine (30%)

Transmission and Drivetrain (13%)

Brakes and Traction Control (2%)

Suspension and Steering (15%)

Electrical and Air Conditioning (36%)

Paint, Rust, Leaks, Rattles, and Trim (3%)

Other (3%)

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Chart based on 183 repairs.
See TSBs and recalls for the 2005 Acura MDX.

2005 Acura MDX electrical repair cost distribution

$2500+ (3%)

$1000 - $2499 (8%)

$500 - $999 (13%)

$100 - $499 (42%)

< $100 (34%)

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Chart based on 62 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2005 Acura MDX

Engine not specified

70000 mi The power drivers window started acting up and the instrument lights on the steering wheel and shifter console went out. 

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2005 Acura MDX 4dr SUV

265-horsepower 3.5L V6 5-speed automatic AWD

145000 mi

US $295
Blower motor stopped running; had to replace transistor 
148000 mi

US $130
Wiring to rear lift gate separated; had to splice wiring; affected rear lift gate lock only 
193000 mi Replaced fuse to fix cruise control 
220000 mi

US $400
Dead battery 
137000 mi

US $1400
Rear AC motor died Automatic door locks stopped working for the second time in 5 years. Repair was made but door locks still do not work on one door after being parked out in the hot sun (over 85 degrees). 
137000 mi The power door locks were again not working properly, despite recently having the actuators replaced for the second time. 
188000 mi

US $200
Tire Pressure Sensor needed to be replaced 
118500 mi

US $3000
Replaced one of the AC hoses and re-charged system. 
141900 mi

US $325
Front passenger side door lock actuator filed. 
147000 mi

US $1070
car died on train tracks. Needed tow to dealer. Alternator and battery dead. 
82500 mi

US $500
Alternator was replaced. 
146000 mi

US $900
AC compressor died. Replacing it took a long time to get it right. 
124000 mi

US $140
TPMS sensors were replaced after light would not go away on dash. 
163000 mi

US $700
The hands-free link module failed and created a parasitic drain. The module was disconnected since it is no longer available. 
171000 mi

US $125
Replace blower motor 
172000 mi

US $900
Replaced alternator as it would no longer charge battery. Done so at a Honda dealer which was cheaper than Acura by $300. 
215000 mi

US $600
Wiring harness to trunk broke and needed to be replaced 
92000 mi

US $212
Door lock stopped working 
182900 mi

C $450
Low refrigerant 
114080 mi starter died 
72000 mi

US $400
Short in seatbelt buckle, driver seat. Buckle assembly had to be replaced. Indicated by airbag warning light. 
73000 mi Engine was slow to start 
99200 mi

US $1000
Burned out interior dome light Driver door lock actuator failed, security system would not activate. 
100000 mi Rear driver side door lock actuator intermittant failure. Dealer unable to reproduce. 
127000 mi

US $250
Door lock actuator failure 
149000 mi

US $200
Battery failure, again. 4th battery in the past 6 years - when a battery has to be replaced this frequently, this could be another electrical issue. Shop suggested alternator, but alternator is testing fine. Automatic window, right rear - window raising/lowering apparatus had to be replaced 
127000 mi srs light on, dealer replaced seatbelt. 
72000 mi

US $230
Interior door locks did not work. Using key or power switch. Replaced door lock actuator in drivers side door. This fixed problem. 
159000 mi

US $299
Passenger side door lock was not operational. Using key or interior switch. Repaired at dealer. 
75000 mi

US $180
Door lock actuators failed. Both front door lock actuators replaced. 
35960 mi

C $280
ac not cold enough, no leaks found, refrigerant and dye loaded, will check again in three weeks if there are any leaks. 
31000 mi Onstar computer failed. Replaced Onstar computer 
76000 mi

US $39
failure of several interior lights and complete set of tail lights - turned out to be a simple case of fuses blown. Has not re-occured after 2 weeks of driving. 
84000 mi S pipe replacement had an ac leak 
87000 mi replaced backup camera 
100000 mi

US $80
back up camera would not work back up camera stopped working again after a couple of weeks. the mechanic found a wire that was crimped and broken. tech soldered the wire and wrapped it so that it would work properly. 
202000 mi

US $450
Whining noise and burnt smell. Suggested replacing alternator and resealing power steering. Replaced alternator only and sound and smell have gone away. 
102000 mi

US $75
added refrigerant 
103400 mi

US $275
failed window regulator 
110000 mi

US $600
added refrigerant 
139000 mi

US $1000
Two electric door locks 
146000 mi

US $800
Compressor replacement. 
152000 mi

US $600
Blend door motor replacement. 
58000 mi OnStar did not work - needed new OnStar Module  Installed OnStar module the next working day 
60000 mi SRS warning light on intermittently for 2 days - diagnostic code showed defective driver's side seat belt buckle - part ordered under warranty! New buckle installed. 
60200 mi OnStar did not work, was diagnosed, module defective, part ordered, and replaced a few days later - works fine now! 
102000 mi

US $1850
Tail light out - replaced bulb - 20 mins of labor 
70000 mi

US $190
Replace shorted out power door lock actuator 
70300 mi

US $375
Condenser fan replaced 
99000 mi

US $130
Replace right rear window regulator 
104900 mi

US $300
Bluetooth module failed. DIY replacement was straightforward. 
110000 mi

US $200
Right rear TPMS sensor dead - required replacement 
33800 mi Air conditioning was blowing warm. Refrigerant leaked out of a loose fitting in the cooling system. Tightened fitting and recharged system. 
83345 mi

US $300
replace outside temperature sensor, headlight 
134000 mi

US $250
Intermittent wiper switch 
296900 mi

US $3000
Replaced passenger rear door lock actuator. 
314000 mi

US $322
Replaced left passenger door window regulator and motor 
329000 mi

US $86
My turn signal got stuck in right turn mode. No matter where I put the lever it was flashing that I was turning right. The shop (Accurate Autos) removed the system, cleaned it up, and reassembled it. Problem Solved. I also had an oil and Filter change done while I was there. 

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See TrueDelta's information for all Acura models.

2005 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 2005 Acura MDX problems occur, check out our car reliability stats.