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Tuner
is a ZF9 trans axle tunable?
I have a promaster city , the small truck with 9 speed slush box, it needs adjustments , can i do this with the MPVi???
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Tuner
Yes it requires 4 credits and if its 2018 or newer requires a security module bypass, the trans tuning on the 9 speed isn't as straight forward as other transmissions but it is doable
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Tuner
how many have you tuned? I have the older MVPI unit, i'll try and pull data this weekend on it..
i want to remove the lock up converter 1-4th gear, and remove as much slip from the clutches as possible.
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Tuner
Older MPVI2 doesn't support the ZF9 you'll need the MPVI2
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Tuner
If you have a read of the TCM send it over to me via PM and I'll take a peak at it