I know what you're talking about. I experience on this one turn on my daily drive to work at least 50% of the time. I really need to focus on modulating the throttle very carefully to prevent the lag followed by a hard jerk.

 

I am not saying that I have not experienced the transmission lag, I have. But my car does not lag 50% of the time. It only does some time when I am driving like 30 to 40mph, released the throttle and suddenly stab at the gas. In Auto mode, I noticed when I accelerated and then eased off the gas, it shifted to 7th gear and any immediate acceleration will be accompanied with lag followed by the trans down-shifts 2 or 3 gears and produced the jerking motions that people are complaining about. On the other hand, if I drive "spiritedly" in sport mode the car always down shifts and ready to pounce, it loves corner and apexes. Some people thinks that behavior is too aggressive, but I liked it. Knowing all these issues, I learned to be ready and avoid it; like when it up-shift to 7th at 1200rpm, I tapped it down using the paddle shifter. When I am getting on freeway or want to pass, I give it some time to prepare or down shift and have the trans "knows" my intention. I don't want to loose sleep about the issues; I think these issues are only quirky and does not signaled that some think is wrong with the car. On the other hand, the seats are horrible, but that is another story.

 

Almatti, I don't believe what they say.

Every time I reset the ECU, the lag and the random behavior are gone for a period of time and then eventually show up again. From this observation and reasoning, I must conclude that it is a software issue.

If it is a hardware issue, then resetting the ECU would not give me a temporary fix to the lag and random behavior problem. But I do experience a temporary fix after a ECU reset. So this lead me to believe it is not a hardware issue.

So if it is not hardware, it gotta be software. And based on observation and my driving experience, I tend to believe it is the adaptive nature of the beast that is causing the problems.

I believe if Infiniti could disable adaptive learning, my G would at least be more predictable and safer to drive.

 

I wonder if an Infiniti tech has ever done a "before and after" look at a 7AT just after an ECU reset compared to once the lag starts occurring.

Seems to me having those 2 snapshots would do a whole lot to point out whats going wrong between ECU reset and lag showing up.

 

Has ANYONE ever got the ITB-10-075 update done on their car and never had a problem thereafter....or does it (lag and gear finding problems) ALWAYS come back.

 

Well Boys, got my final answer from Infiniti : Tough Beans.... The car is working within it's design specs, nothing wrong with the car's Tranny, so the answer to my request to return the car : NOPE...

I requested to "move up the line" to senior management ....That's not happening. My only avail is to take the complaint to Consumer Advocay Groups. I suggested my attorney, the Attorney General of NY, and Better Business Bureaus. Unless a Class Action Complaint could be formaulated, NY State's Attorney General won't pay much attention to this....Remember the Toyota Gas pedal problem.....it stirred a major pot due to the accidents that were reported and the Media attention it received. With all that Hoopla, the final answer was: The carpet mats were the culprit !!!

Maybe we need New Carpet Mats >>

 

If it really bothers you (like it bothers me), I guess it's time for some car shopping, which is what I am doing, sort of casually, just keeping my eyes open so to speak.

SO FAR here's a workaround I have found keeps me from yelling at the thing as much, at least on my car... I always try to drop down to third with the paddles before one of these turns where you experience the brake/turn/gas delay... SO FAR, it seems to hold third and not do the delay. Not an acceptable solution in my opinion, because the manual downshifting is, well, something you shouldn't have to do in order to go through a turn without drama, but it's a distraction and "something else to do" to make it a little more fun and override the b.s.

Regarding the car shopping I may hang on a little unless I find somehting must-have -- just to see if the rumor of a new software update coming soon is true or to see if the 2012s are better which could imply a future update (I haven't driven one yet).

 

mike2004, my feelings exactly.....You added the Paddle Shifters? or you have a XS model. I tried to get the DM at Infiniti to at least Try that. They told me in July 2011 (my first complaint filed ), Paddles CAN'T BE ADDED??? What, I informed them that many Posters on this Forum siad it can be done and was Done....

I just dirve 'er Mo' hard in DS mode and switch back and forth between DS and D modes. It helps a little in the "brake, Turn , Gas delay (Lag)"...and sometimes in the stop and go traffic delays when doing the same: brake, then gas, etc....

Next car that has a multi- geared (7 or 8) auto Tranny, will be taken thru the Mill when I test drive it, that's for sure. BTW, I've driven some recent company cars - 2011 Ford Taurus - 6 speed Auto Tranny with a 3.5 V-6 engine , it has some lag too - like all auto trannies do...But definetley not as bad as the G. As an aside, the Taurus is a big, heavy car, with extremely poor visibilty: Who the Hell designed That !!!

 

I have an '11 coupe journey. I added paddles. They plug right in. I heard that some G's (maybe the earlier ones?) don't come with the wiring. It's fairly easy to check. The seller of the paddles and other forum posts has some more info on which models may not have the wiring and how to check. Yes the taurus is a behemoth. I call it a "lowered SUV"

 

I have (had) a 2010 G37xS. Nissan bought the car back for 90% of the purchase price, after one year. Several reprograms were done, as per ITB's, without success. When the problem could not be fixed, I was told that it was operating as designed.

 

can you tell us more about your process in this?

 

littleguy, Nissan bought the car back? They must have confirmed that there was something wrong that could not or they would not fix....In my case, Infiniti is Giving me nothing, except for an Elite Maintenance Contract for up to 45k miles that doesn't cover anything more than the standard 36K warranty. My car is leased.

 

Yes, please explain why they bought back a car that had nothing wrong with it.

 

Squeaky wheel?

 

so the arguments on the tranny all talk about programming, sw, and how other cards dont do it etc but nobody mentions the traction control... I can tell you in my other car if I do what is mentioned here to reproduce (slam on brake and then shove the throttle on the firewall) the ATC will kick in and cut power to mantain control... yes granted its a C6 with 400ftlb of torque but the point is could this simply be the car lagging power to ensure traction is held? What are the road conditions when it happens? what is the tire wear?
Has someone turned the traction control off and still experienced it?