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Transmission Flare between 3rd & 4th?

Have fun reading the thread: G37 7speed transmission reprogram... - MyG37 There are actually 3 versions. The 1st one was released early 2009 and was not popular. Then came ITB10-075

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Old 06-26-2012, 05:22 PM   #1 (permalink)
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Have fun reading the thread:

G37 7speed transmission reprogram... - MyG37

There are actually 3 versions. The 1st one was released early 2009 and was not popular. Then came ITB10-075 in 2010, and recently ITB12-027. Not sure how what the code is for Nissan vehicles.
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Old 06-27-2012, 07:16 PM   #2 (permalink)
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Quote:
Originally Posted by hadokenuh View Post
Have fun reading the thread:

G37 7speed transmission reprogram... - MyG37

There are actually 3 versions. The 1st one was released early 2009 and was not popular. Then came ITB10-075 in 2010, and recently ITB12-027. Not sure how what the code is for Nissan vehicles.
What's funny is that my '12 Z seems to have the same issues that the 2009-up G37's had. Severe engine braking during decel, severe 2>1 down shift, and flare during the 3>4 and the 4>5 upshift.

Do I have the same software as the 2009-up G37's? I would think my car has improved software. Can others that have a 7AT confirm this?

You would think that Nissan would have gotten this right after 3 years.
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