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Home > Technical > Learning Gearbox? |
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JonMs Member Since: 25 May 2018 Location: Ilkley Posts: 101 |
I'm happy to be corrected but I thought that it was a bit of a myth that the transmission could be reset in this way. Probably more to do with accelerator position sensor if anything. Certainly the correct adaptation process is far more complex and requires hooking up to the correct diagnostic tool followed by a series of specific driving procedures.
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12th Nov 2020 8:57 am |
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3landertwo Member Since: 27 May 2020 Location: UK Posts: 1125 |
I have a manual gearbox, so not sure on automatics.
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12th Nov 2020 9:01 am |
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GundogSD4 Member Since: 04 Dec 2019 Location: Wiltshire Posts: 478 |
I think that reset procedure is for the throttle body and not the gearbox. |
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12th Nov 2020 9:33 am |
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alex_pescaru Member Since: 12 Mar 2009 Location: RO Posts: 4642 |
The relearning process is a time consuming one, as the temperatures of the engine and gearbox must be over a certain temperature, hardly reached during day to day driving cycles.
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12th Nov 2020 10:19 am |
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itsaguything Member Since: 25 Apr 2019 Location: Ottawa Posts: 90 |
I think we are talking about 2 different things here.
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16th Nov 2020 7:04 pm |
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alex_pescaru Member Since: 12 Mar 2009 Location: RO Posts: 4642 |
Yep, indeed, there are three things that can be reset on the box fuzzy logic:
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16th Nov 2020 8:02 pm |
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Lightwater Member Since: 21 Aug 2014 Location: Sydney Northern Beaches Posts: 4905 |
A technical question out of leftwing, or rather the rear.
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17th Nov 2020 9:51 am |
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dorsetfreelander Member Since: 20 Jul 2013 Location: Dorset Posts: 4353 |
Yes I had an auto FL1. I live in a village at the bottom of a long hill. I noticed that the FL1 behaved totally differently coming down that hill (in terms of engine braking etc) depending upon my driving style over the previous few miles. My FL2 doesn't seem to react this way. However, my wife's Suzuki Swift (6 speed auto with a torque convertor) does seem to exhibit some of these "recent driving style" characteristics on the same hill. 3 x FL1 2 manual + 1 auto 5 x FL2 4 manual + 1 auto Now Discovery Sport P250 MHEV SE |
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17th Nov 2020 10:09 am |
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alex_pescaru Member Since: 12 Mar 2009 Location: RO Posts: 4642 |
The box "advertising" is naming this mode "uphill/trailer". Although there is no specific "map" for towing or/and a caravan is attached, the gearbox is heavily relying on the information received from the engine module, especially the torque generation reported by the ECM. Based on that, it will adjust the changing points, the speed of changing and the amount of TCC slipping. |
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17th Nov 2020 1:41 pm |
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Lightwater Member Since: 21 Aug 2014 Location: Sydney Northern Beaches Posts: 4905 |
Thank you.
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17th Nov 2020 7:25 pm |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3107 |
My auto seem to hang on to lower gears for longer than normal under 2 conditions.
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18th Nov 2020 9:27 am |
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Pejo Member Since: 10 Dec 2020 Location: Perth WA Posts: 181 |
Interesting as I'm finding our car can change down a bit abruptly at times Usually coming to an intersection slowly braking
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7th Jan 2021 2:00 pm |
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alex_pescaru Member Since: 12 Mar 2009 Location: RO Posts: 4642 |
Let's hope it's not too late for some components... Usually, such behavior is when the valve block, meaning one or more of its solenoids are on their way out.
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7th Jan 2021 2:10 pm |
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Pejo Member Since: 10 Dec 2020 Location: Perth WA Posts: 181 |
Alex which is the correct oil for the auto transmission? |
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10th Jan 2021 11:58 am |
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