Tow haul aggression issue
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Tow haul aggression issue
I have an 08 super duty. 6.4L diesel. Automatic transmission. All of a sudden the downshifts in towhaul are super aggressive. To the point where we cant hardly use it. Any ideas??
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,723
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From: SE Florida
Disconnect either the PCM or both battery negative cables. This will clear the Keep Alive Memory and the software will have to learn again. Once in a while it learns something wrong and then can't learn it's way out of it.
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