G37 7speed transmission reprogram
05-11-2012, 02:59 PM
#1051
Registered User
I was just at the dealership last friday for a drivetrain noise. They told me there is an update to the re-flash I got last year. Well the noise is gone (for now) and the car feels a little more energetic, but the shifts are still jerky and lag is still present. They didn't indicate any new re-program.
If there are any G25 owners with the latest re-program, please post and let us know if it works.
If there are any G25 owners with the latest re-program, please post and let us know if it works.
05-11-2012, 03:01 PM
#1052
I dropped off my 2010X today to have a few things done; one of them being the transmission and throttle response too.
I'm driving a 2011 loaner that feels completely different than my 2010. The throttle response is smooth and so is the transmission...never realized how bad mine was until I drove this loaner.
I didn't even have to ask and my advisor said he would look for the newest update...I'll see what he comes up with later.
I'm driving a 2011 loaner that feels completely different than my 2010. The throttle response is smooth and so is the transmission...never realized how bad mine was until I drove this loaner.
I didn't even have to ask and my advisor said he would look for the newest update...I'll see what he comes up with later.
05-11-2012, 03:04 PM
#1053
Registered User
Yeah, mine gradually got worse over time and then lately got really bad...and now it is really noticeable after driving the 2011.
05-13-2012, 12:35 PM
#1056
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Location: Houston, TX
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I also drove a 2012 loaner (< 1k miles) which felt much more spirited than my 2009 G37. My 2009 felt dead compared to the 2012.
Looking forward to an update this summer!
Looking forward to an update this summer!
05-15-2012, 02:47 PM
#1057
Registered User
I periodically keep checking this forum, looking for the "magic pill" to cure the ills of the 7 AT. The magic pill was rumored to be coming out This Summer. In the form of a new Reflash, the magic pill has not been prescribed yet.
If it doesn't come out soon, maybe there will be a "poison Pill" to put it out of its and my misery.....
PS: No budging from IFA or my Dealer on lease surrender W/O Cost. The Car is working as designed.....Too Bad Infiniti: No More Infiniti's for me unless there is absolute proof that the ills are Gone !!
If it doesn't come out soon, maybe there will be a "poison Pill" to put it out of its and my misery.....
PS: No budging from IFA or my Dealer on lease surrender W/O Cost. The Car is working as designed.....Too Bad Infiniti: No More Infiniti's for me unless there is absolute proof that the ills are Gone !!
05-15-2012, 03:29 PM
#1058
So, I think we're going to get our magic pill.
05-16-2012, 04:02 PM
#1059
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I had to take my G37 back this morning for a follow up on something else.
They re-checked today to see if anything came out yet for a computer update and guess what...
5/15/12 ITB12-027 was released for 2010 and 2011 G37s. My car now has this update and I'm off to pick up my car.
He stated it was for the harsh downshifting when coming to a stop and some other stuff. Maybe you guys can pull the exact thing this fixes from somewhere and post.
They re-checked today to see if anything came out yet for a computer update and guess what...
5/15/12 ITB12-027 was released for 2010 and 2011 G37s. My car now has this update and I'm off to pick up my car.
He stated it was for the harsh downshifting when coming to a stop and some other stuff. Maybe you guys can pull the exact thing this fixes from somewhere and post.
05-16-2012, 05:36 PM
#1062
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My dealer was nice enough to give me a copy of the bulletin. I won't photocopy it, but I will type most of it out.
2010-2011 G37 shift responsiveness issues.
ITB12-027 Released: 5/15/12
Engine VQ37VHR
2010-2011 G37 (V36/CV36)
7 speed tranny.
If you confirm one or more conditions.
1. Harsher than expected down shifts when coasting to a stop.
2. Hesitaion/lag when accelerating after coasting
3. Hesitation/lag or harsher than expected down shifts when coming to a stop and accelerating again (rolling stop).
4. Engine rev matching during moderate to heavy braking.
NOTE: This is normal ASC, adaptive shift control, operation that can be removed from the normal drive mode, but will remain in sport mode.
Action:
If this applies, reprogram the ECM and TCM
This looks like I only have page 1 of 10 so I don't know any more info than this.
2010-2011 G37 shift responsiveness issues.
ITB12-027 Released: 5/15/12
Engine VQ37VHR
2010-2011 G37 (V36/CV36)
7 speed tranny.
If you confirm one or more conditions.
1. Harsher than expected down shifts when coasting to a stop.
2. Hesitaion/lag when accelerating after coasting
3. Hesitation/lag or harsher than expected down shifts when coming to a stop and accelerating again (rolling stop).
4. Engine rev matching during moderate to heavy braking.
NOTE: This is normal ASC, adaptive shift control, operation that can be removed from the normal drive mode, but will remain in sport mode.
Action:
If this applies, reprogram the ECM and TCM
This looks like I only have page 1 of 10 so I don't know any more info than this.
Last edited by jackal2001; 05-16-2012 at 05:41 PM.
05-16-2012, 05:44 PM
#1064
I just found this same info on www.infiniti-techinfo.com
I experience all 4 of those symptoms pretty much every drive.
So.... I'm starting to get excited about this. If it drives like the 2012, it will be a big improvement.
DOMO
I experience all 4 of those symptoms pretty much every drive.
So.... I'm starting to get excited about this. If it drives like the 2012, it will be a big improvement.
DOMO
05-16-2012, 08:17 PM
#1065
That "NOTE" text is interesting, because Im pretty sure people have had these symptoms in Sport mode as well.....not just straight D.
Im hopeful.......at least it shows Infiniti is looking at it. I wonder if this means they plan on keeping the 7AT in the next generation as well.
I think Ill wait a month or so before starting to hint at my dealer that I need the update.
Im hopeful.......at least it shows Infiniti is looking at it. I wonder if this means they plan on keeping the 7AT in the next generation as well.
I think Ill wait a month or so before starting to hint at my dealer that I need the update.