GS - 4th Gen (2013-2020) Discussion about the 2013 and up GS models

Can trans default setting = Sport?

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Old 02-10-14, 06:38 PM
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revhigh
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Default Can trans default setting = Sport?

Is there a setting to have the transmission default setting at startup = sport (or sport+). It seems the default is ECO.
Old 02-10-14, 06:57 PM
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FishBike
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There is not. Only normal and eco modes can be "remembered".

The reason is when emission and fuel efficiency tests are done, it has to be done in the most aggressive mode that can be set as a default. If Sport+ could be a default, they'd have to test it in that mode, and the test results would be worse.
Old 02-10-14, 07:07 PM
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Nismo
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Originally Posted by FishBike
There is not. Only normal and eco modes can be "remembered".

The reason is when emission and fuel efficiency tests are done, it has to be done in the most aggressive mode that can be set as a default. If Sport+ could be a default, they'd have to test it in that mode, and the test results would be worse.
Sounds logical. Do you have a link to the EPA's fuel economy testing requirements? It would be interesting (a relative term, mind you) reading.

For anyone else, is there a workaround? A jumpered wire on the ECU (was able to do this on a Honda I once owned, but for a different reason), an ECU flash (rather not go this route), or some other method?
Old 02-10-14, 11:03 PM
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sam430
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Originally Posted by Nismo
Sounds logical. Do you have a link to the EPA's fuel economy testing requirements? It would be interesting (a relative term, mind you) reading.

For anyone else, is there a workaround? A jumpered wire on the ECU (was able to do this on a Honda I once owned, but for a different reason), an ECU flash (rather not go this route), or some other method?
This is software issue. ...but, try this... Turn the **** and hold it. Start the car and see if it goes to sports mode. If it does, you can cross wires. I woudn't recommend it (if there is software updates, it might start to act weird). You can devise an electonic to pulse once after the cars initial startup (if you are lazy to turn the ****).
Old 02-11-14, 07:38 AM
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Afrosheen
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Has anyone checked with the dealer to see if they can set it? I know there are a handful of things they can reprogram, this might be one but may be "undocumented".
Old 02-11-14, 08:16 AM
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yardie876
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Originally Posted by Afrosheen
Has anyone checked with the dealer to see if they can set it? I know there are a handful of things they can reprogram, this might be one but may be "undocumented".
I remember a few people asked their dealers a while back and got turned down.
Old 02-11-14, 08:37 AM
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sarmyth
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Originally Posted by Afrosheen
Has anyone checked with the dealer to see if they can set it? I know there are a handful of things they can reprogram, this might be one but may be "undocumented".
I haven't seen anything in the factory service manual documenting a setting like this, but i wish a performance company would chip our trannys. I'd love selectively firmer shifts instead of going for a permanent valve body modification.
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