Because they all drove around in "ds" mode?

 

Brian Cooley from CNET just reviewed the 2012 G37 and says the ride is rough though he seems to blame it on the Sport package versus the jerky transmission.

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Update - I have given up on trying to get Infiniti to do anything about this problem. It's costing me too much of my personal time having to go back/forth to the dealership to show yet another person the problem. Some days are fine and some days it pisses me off but in the end, I can live with it. I just won't be buying another one when my lease is up.

 

I pressed on the gas and it down shift; I was not even in sport mode, and I did not floor it.
I have experienced lag problem too, and driving more aggressively (I found stabbing the throttle, and manually down shift will teach the trans) even in D mode will make the car change its shifting behavior. Engine performance variation also affects how the trans shift too.
I tried DS and it is quite aggressive, so I left it in D to save gas.
For me DS is for mountain run and when I am in a hurry.

 

Nissan will also be addressing some of the most frequent customer complaints, like poor shift quality from its new seven-speed automatic transmissions used in Infiniti products. Nissan tells AN that it is already upgrading the software in the transmissions.

Nissan rushes to grapple with poor quality survey scores

 

I sure hope they plan on releasing any updates to those of us who own cars older than 2012.

I also know that I complained about the 7AT on their survey(s), made sure to include something about how the "should I go or not" lag possibly being a safety issue if the car doesnt move for a second or two while in the middle of a turn.

 

Interesting article. I've got the latest transmission flash and it was great for the first few days until the system started its learning process again. Now I am almost guaranteed to get the overreving between certain gears almost every time I drive the car vs. every once in a while with the last flash. The overreving or flare actually seems to happen to me at the same places on my commute....almost all of them where I have accelerated from a stop and was in the process of backing off the throttle slightly. If they could just give us the flash without the "learning/adapting", I'd be much more happy.

 

Guys: Post your complaints with Infiniti Consumers Affairs via their Web Site. Send your email as I did. They will respond and it will open a "claim" file. Describe the problem - lagging/ hesitation, jerkiness, poor harsh downshifts, etc...It was apparent to me after I met with the District Manager in July as a follow up to my complaint, that they don't like the forums and "blogging" as he described it.

 

Isn't it unfortunate for the large companies that the internet has made it a small world. A world where we can simply 'blog' with other people, who we normally would never meet, to discuss similar product issues.
I was so easy for them, in the past, to say to us 'no one else has the problem you describe so be on your way.'
Yes, they must hate that. Well too bad!

 

wow im so glad i found this post. I am only having problems when i am braking or downshifting on DS or manual. The car starts to rev really high when im braking and just lags when im stopping.

 

i got this done on my car today .. i'll get it back tomorrow after getting new rotors and pads as well due to early warping in another TSB.

i did make this notice while driving a loaner g37 that the 7at was much smoother then mine. it wasn't a 2011, 09-10, but the shifts were much smoother and actually felt like i could get 0-60 much quicker then in my model. if this is the reprogramming at work, well then it definitely should be done for those who haven't.

i'll report back tomorrow when i get my car.

 

So I read like 10 pages of this thread and still can't get a clear picture of whether I should or should not get the TSB. I am experiencing the harsh downshifts and some lag, but I got a 2009 g37x coupe, which despite these issues, still drives way better than my 08 G35x sedan. I want to get the TSB done if it will improve things, but do not want to risk it making my drive less aggressive, etc. Thoughts?

 

Got my 09 reflashed and ECU reset in Vegas about a month ago, it's made the overall drive better. The clunky downshifts and hesitation are improved, still not perfect but I'd give the reflash a B. We drove a very spirited drive w/ a BMW 335 coupe on our way back from Vegas on a nice twisty road and were hitting speeds I've never gone before (for an extended drive) and the G was driving as responsive as it was preflash. So yes, I'd say pull the trigger on the reflash if I was in your shoes.

 

Interesting. Some others have said that the reflash did seem to tame the aggressiveness very slightly while smoothing out the shifts. My 2011 G37x came from the factory with the rev in TSB, so I don't have a "before" experience to compare to. I love it; the only time I ever experienced any "lag" issues was the time the snow switch got turned on by accident and I didn't notice it for a bit.

 

I have a 2011 how do I find out if i received the flash from factory?

-Scott

 

My dealer service advisor checked when I reported some of the TSB symptoms, and verified that the rev on my car matched the one from the TSB. But he also said that the fact that the VIN ranges in the TSB did not include my 2011 indicated that it came from the factory with the rev.