04-11-2024, 09:43 PM | #1 |
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zf8 manual mode
zf8 in manual mode. '22F90
anyone ever have their tranny reject a command? for example: 4th to 5th; immediately after the shift, the tranny automatically shifts back to 4th. |
04-12-2024, 05:43 PM | #2 |
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Were you slowing down?…. It will downshift for you automatically to avoid stalling the engine. Only once I was slowing down while downshifting 5, 4, and right as I was going to hit 3rd it went to 3rd by itself and I accidentally hit 2nd. I almost shit my pants because the engine rev’d high. Not past the limit but I wasn’t expecting it. So now I am a bit more careful while slowing down.
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04-12-2024, 07:42 PM | #3 |
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No, this is happening when upshifting only, typically around 4-5k rpms, light to medium load.
What you’ve described is normal tranny behavior. I am going to have the fluid checked next. |
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04-13-2024, 09:12 AM | #4 | |
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Quote:
I obviously don't know everything or experience your issue but usually gear skip/erratic is followed by some type of vibration or harsh shift. I hope you can get it sorted out without issues. It would definitely drive me insane if it happens to me. |
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04-13-2024, 10:45 AM | #5 |
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The dealer reset all of adaptations and shifting was fine for about 150 miles. The issue then came back after that. Seems like after 2 hours or so of driving I cannot duplicate the issue. maybe the tranny is cold or low on fluid from the factory (which is a reach). the tuner I've spoken with say the tranny has been bullet proof. I have not been able to discern between this being a hardware or a software issue. car is completely stock.
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