Shudder or Vibration While Driving at Speeds Between 35 and 40 MPH on Acura MDX

A shudder or vibration may develop while driving at speeds between 35 and 40 MPH. Our technicians tell us this condition is commonly caused by a failed automatic transmission torque converter. It is recommend to replace the torque converter and install an updated powertrain control module (PCM) to correct this concern.

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Average mileage: 95,985 (3,000–185,000)
13 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007, 2008, 2009, 2012, 2013, 2014, 2015
99 people reported this problem
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problem details
2006 Acura MDX 135,000 mi,
Shuddering usually between 25-40 mph when slightly depressing gas pedal, cruising or slightly accelerating. Shuddering stops when letting off the gas pedal or by de-pressing to accelerate quickly. I called the Acura dealership and my vehicle did not have a recall for a Powertrain Control Module (PCM) software update to resolve issue. Acura technician mentioned it could be the torque converter or another software update needed.
2001 Acura MDX 52,000 mi,
I noticed the 'shudder' described here and brought it in to the dealer and told them of this noise. On first visit dealer could not find a problem. After driving some more I detected that this 'shudder' occurred in the 40-50 mile range and brought the car back to the dealer. After two rides in MDX 2nd mechanic finally correctly diagnosed the problem ( one would think that this would be the first thing they should suspect). When paying $1800 repair bill ( that's with 'discount') I complained that the internet had numerous complaints about torrque converter problem and that quite a few customers did not pay for this defect repair. I also voiced my concern over possible future transmission problems. The manager disregarded the numerous internet documentations and claimed the model had no transmission issues. Months later I was at my local mechanics shop with another car & I described the MDX 'shudder' and he immediately told me that it was a torque converter without my telling him anymore. I was not happy with the stonewalling or lack of knowledge that Acura showed in dealing with me. I'd prefer to have my car serviced by Acura however this kind of treatment has driven me away.
Shuttering at low speeds, off and on. Not continuous, nor consistent, but obvious.
2004 Acura MDX 87,563 mi,
shutter, grinding noise @ 35-45 mph... i bought the car used with a 87024 miles... i'm prettty upset
2014 Acura MDX 21,000 mi,
Hesitation upon acceleration. Car studders while accelerating.
2002 Acura MDX 120,000 mi,
2002 MDX upshifts from 4th to 5th gear at 35-45 mph, resulting in lugging, shuddering/vibration and a LOUD, annoying growling/grinding noise. The problem is absolutely gone if I shift to D4 (not allowing it to shift to 5th gear) or if driving over 55 mph (and 5th-gear rpms > 1600).
2001 Acura MDX 140,000 mi,
A shudder happen when it's speed reach 50-55mph.
2005 Acura MDX 138,000 mi,
Have the same shutter / washboard sensation when driving at city speeds. This just started last week. We have owned since new and have religiously maintaned the car at Ron Tonkin Acura. Very dissapointing as we researched reliability at the time of purchase and the MDX was highly rated. I will report back when we have a diagnosis and repair. Have read other threads, stating this is a safety issue as the drive wheels (front) can all of a sudden lock up and not spin while driving car. If this happens on a freeway, imagine what would happen.
2014 Acura MDX 15,000 mi,
Car sporadically makes a loud noise like it is out of gear, transmission is slipping, or some sort of supplemental motor has clicked on. Took it to the dealer and they said they didn't know what was causing it and were not able to replicate it. That was two months ago, now it is starting to occur more frequently.
2002 Acura MDX 30,000 mi,
It shudders or vibrates from time to time. Dealer changed the tranny fluid and it would go away for a little while. I think there should be a recall for the transmission.
2004 Acura MDX 92,000 mi,
Occasional vibration on country roads normally- havent noticed it on the freeways/highways
2007 Acura MDX 107,000 mi,
After recent software upgrade for the transmission recall, I am experiencing noise and shudder after car reaches 40 + ml/hour. The noise is disappearing after 75 + ml/hour.
Brand new 2015 Acura TLX and having similar issue. Its like its in too high of gear and I am driving a stick and need to downshift. I will be going less than 40 and the car is in 7th gear. I took it in once already before forst oil change and the said the reprogrammed my Transmission Control module (TCM). Its still having the problem. On my way in again.
2001 Acura MDX 120,381 mi,
It has a vibrates when i go 35 and 40
2013 Acura MDX 74,000 mi,
When I excelerate over 40 there is sometimes a vibration, what is this?
2015 Acura MDX 3,000 mi,
Car seems to have trouble finding gear when traveling in traffic that 's moving between 30-40 mph. It seems to be in higher gear and isn't smoothly adjusting to lower gear when traveling steady at these speeds, and as traffic flow speeds adjust, as is the case with travel around Charlotte city limits. Hendrick Acura downloaded new software update for transmission but it solved nothing. They told me that there is nothing else they can do or know of doing. Said it's the best it will get, but admitted there was a problem.......hard to believe Acura doesn't have a fix for this. Happy Honda owner for years; thought I would upgrade, but now I wish that I hadn't. Hopefully, Honda/Acura will do the right thing and fix it.
2014 Acura MDX 41,200 mi,
Same problem dealer said nothing wrong
2004 Acura MDA. Transmission shutter/vibration 35-40mph. I had transmission oil changed along no help. Very annoying. Increase or decrease in speed eliminates the vibration. No problem in very slow or highway speeds.
I've had this exact problem from the first week i had the car. First time I took ed it back to the dealership they told me it's trying to switch gears but is having a hard time and that the best thing to do is depress on the gas pedal and resume normal acceleration. I will not stand for a temporary fix to a permanent problem. So I am taking it back before the year is up and if not fixed before the third time, I'm definitely going to get my money back.
2014 Acura MDX 20,000 mi,
Shuddering in 2nd gear, hesitation.