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first GENIV swap with a working AFM I got V4 Mode!!
Thanks to all over here.
I finally made it. It's not a perfect solution (4wdlo doesn't work) but I have the AFM working in 2hi and 4hi.
After all I tried the '07 avalanche tun file (from 3GNEC12047G152683) which came with my E38.
the calibration and the log is in this post.
I will do some more logs after I changed my dash a little. It seems V4 kicks in only when I almost have no throttle applied. Give it a little throttle and the MAP is out of the V4 mode range.
I will do some better test drives tomorrow here in my area it's up and down all the time.
But man that feels good after all this work... I now have the sound of saving gas as vegasrobbie said.....
So that all shows we have to work on a solution for 4wd applications were the 4wdlo message stuff is solved and 2hi, 4hi and 4lo all work.
In the moment I've got no shifts below 3000rpm in 4wdlo and best of all, the AFM kicks in more than in 2hi......
best regards from Germany from a very proud guy..
Harald