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I just got a 2016 MDX, test drove it, thought it was great. Now after driving it around for a few days the car is very jerky in city driving! Trying to avoid buyers remorse I came across this forum and saw that there's an update that needs to be applied. I have my MDX scheduled for a service so I'm praying and hoping to god that the update will smooth out the transmission. I get car sick just driving it around the block and back. How did Acura first release this engine out to the public? Its as if there wasn't any QA done on the car before it was released.
 

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Do you know if you already had tsb 15-054 applied to your MDX? I bought it from a private party sale so I don't know if the tsb is already applied. I hope not because I need this tranny to smooth out as I do mostly city driving. I test drove a 2017 and fell in love with it but the dealer was asking for too much. I found a used 2016 with low miles thinking it would be the same. I was wrong. I'm going to the dealer soon so I'll update if they do anything to make it better. If there's no solution then this MDX is going back on the market and I will never buy Acura again.
 

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Just got back from the dealer and they applied tsb 15-054 and idle relearn. It does drive a lot smoother in stop and go traffic and is 'tolerable' now, but I cannot say this feels like luxury to me. There's still a bit of rough shifts and a tiny little surge or downshift while coming to a stop. Maybe it still has to go through the idle relearn process. We'll see, I'll update in a week or two. I remember purchasing a '88 Toyota Tercel back in high school for $1k and was the worse car purchase I made till this date. This one is right up there considering the amount that was paid.
 

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Hmm. I have a really smooth 2016 but i drive in sport. I wonder if that makes a difference. I am pretty much a lead foot though, but the transmission seems to like that.

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So are you saying that you have to put the MDX in sport mode to have a good experience? How is your MDX in comfort and normal mode in stop and go traffic? The transmission is very smooth when you get past 25-30MPH but I tense up when I start to see city traffic approaching. :frown2:
 

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Researching a bit more has led me to do an ECU reset after TSB 15-054 was applied. After the ECU reset the tranny became A LOT smoother after some driving around and is better to my liking. I can say that I feel a bit more confident in my purchase and starting to actually like my 2016 MDX.

To do an ECU reset:

1. Hit the start/stop button without pressing the brake pedal to enter accessory mode.
2. Hold the pedal to the floor for 30-35 seconds.
3. Hit the start/stop button without pressing the brake pedal again to turn the car On but do not start the engine.
4. Hit the start/top button again to turn the car off.
5. Press the brake pedal and hit the start/stop button to start the engine.

After this the computer will wipe out any driving characteristics that was held in memory and hopefully settled my transmission down. I don't know if this is real or not but it sure does feel better. Did anyone do this before? Is this something that has to be done often if the ECU learns bad habits?
 
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