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Message: <blockquote data-quote="07GtS197" data-source="post: 1437674" data-attributes="member: 20715">Yes and no, it can still do screwy things as the ecu still uses it in conjunction with the oss to determine speed and shift points. At this point I would say my comment about the aod still stands. Another point of perspective I have is from the 4r70w in my vic. That thing would get into overdrive around 30 mph. And sometimes it would take quite a bit of throttle to downshift. So I think what youre experiencing is normal.But if you really believe there is an issue you could check the ecu for trans codes and try various tests on the trans.And some food for thought, there are many sensors that work together to determine shift points so any one of them can have an effect on shifting. Tps is a top one.</blockquote>