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Stanton
Posts: 2074
Joined: Thu Feb 03, 2011 10:56 am
Delivery Date: 01 Sep 2011
Leaf Number: 7458
Location: Plano, TX
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Re: Mismatch between dashboard % and LeafSpy

Wed Dec 27, 2017 8:34 am

bongo2 wrote:At the low end I don't have very much data, but I think that at warm temperatures they start to converge again. The interesting thing is at low and high temperatures the bottom end changes quite a bit. When it was 80 this summer the dash and leafspy were pretty similar. The last few days it's been well below zero and I've noticed that the difference at the low end is MUCH larger. Last night it was about -3 and when the dash said 24 Leafspy said 42.


Yes, it is very useful but then begs the question: which one is right? I use a similar meter (LeafDD) that gets particular attention when I'm at the "bottom of the pack"...especially when it's cold out (like it is now).
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jjeff
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Leaf Number: 422121
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Re: Mismatch between dashboard % and LeafSpy

Wed Dec 27, 2017 3:25 pm

I'm "guessing" LeafSpy is more correct and the dash SOC meter is being optimistic at the top end and pessimistic at the low end, similar to the GOM :)
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cmwade77
Posts: 127
Joined: Tue Nov 14, 2017 5:04 pm
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Re: Mismatch between dashboard % and LeafSpy

Thu May 03, 2018 7:36 pm

For me, the dash says 100% and LeadSpy 90.5%. That seems like a big discrepancy to me, any clues as to why?

LeftieBiker
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Location: Upstate New York, US

Re: Mismatch between dashboard % and LeafSpy

Thu May 03, 2018 9:14 pm

cmwade77 wrote:For me, the dash says 100% and LeadSpy 90.5%. That seems like a big discrepancy to me, any clues as to why?


Do you have a 2018?
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PLEASE don't PM me with Leaf questions. Just post in the topic that seems most appropriate.

cmwade77
Posts: 127
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Re: Mismatch between dashboard % and LeafSpy

Thu May 03, 2018 9:16 pm

No, a 2013, the battery was replaced in December of last year though.

cwerdna
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Re: Mismatch between dashboard % and LeafSpy

Fri May 04, 2018 2:11 am

cmwade77 wrote:For me, the dash says 100% and LeadSpy 90.5%. That seems like a big discrepancy to me, any clues as to why?

Did you see my replies near the beginning of the thread?

I don't care about Leaf Spy's percentage displays.

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Please don't PM me with Leaf questions. Just post in the topic that seems most appropriate.

cmwade77
Posts: 127
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Re: Mismatch between dashboard % and LeafSpy

Fri May 04, 2018 7:14 am

cwerdna wrote:
cmwade77 wrote:For me, the dash says 100% and LeadSpy 90.5%. That seems like a big discrepancy to me, any clues as to why?

Did you see my replies near the beginning of the thread?

I don't care about Leaf Spy's percentage displays.

Ok, you dont, others might and while I understand some discrepancy, that seems like a large one to me.

powersurge
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Location: Long Island, NY

Re: Mismatch between dashboard % and LeafSpy

Fri May 04, 2018 7:58 am

STOP arguing about a bunch of freakin percentage points.. The numbers that the car gives you is standard across all cars. THe Leafspy numbers "may" be more precise. THEY WERE NOT MADE TO AGREE.

This is like complaining and arguing about why a gas car fuel gauge isn't accurate of how many gallons of gas you have left... Because it is not supposed to be.

DaveinOlyWA
Posts: 13069
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Re: Mismatch between dashboard % and LeafSpy

Fri May 04, 2018 8:49 am

BuckMkII wrote:When I turned on my car this AM, dashboard said 23% then almost immediately clicked down to 22%. LeafSpy said 30.3% then clicked to 30.2%. Who to believe? Why such a big mismatch? I've seen mismatches sometimes, but not always. This is the worst I've noticed.



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cwerdna
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Re: Mismatch between dashboard % and LeafSpy

Fri May 04, 2018 10:43 am

cmwade77 wrote:
cwerdna wrote:
cmwade77 wrote:For me, the dash says 100% and LeadSpy 90.5%. That seems like a big discrepancy to me, any clues as to why?

Did you see my replies near the beginning of the thread?

I don't care about Leaf Spy's percentage displays.

Ok, you dont, others might and while I understand some discrepancy, that seems like a large one to me.

To quote my reply:
cwerdna wrote:The dash display % SoC was developed before and independently of Leaf Spy. It appeared as a (much requested) new feature beginning on model year 2013 Leafs. '11 and '12 Leafs didn't have it.

If viewtopic.php?f=44&t=14285 is correct w/the approx start date of the 1st public version of Leaf Spy, that wasn't until the '13 Leaf had been on the market for many months. I have no idea if Turbo3 was able to retrieve the value used by the dash display and whether he renders it anywhere in the UI. I personally don't care about much about any sort of % SoC or % gid values in Leaf Spy as I don't know the denominator.

Given what I stated, why would you expect them to match? Also, Turbo3 (author of Leaf Spy) didn't have a '13 Leaf. AFAIK, he still only has an '11 Leaf. Maybe a year or two ago, he borrowed my '13 for an evening to do some testing as he lives near me.

If you are really curious how Leaf Spy's % SoC is derived and/or what he renders from the CAN bus which has that value/is used to derive it, you'll need to try to dig for posts from Turbo3 on this. It's obviously not the same as whatever black box algorithm 2013 to 2017 Leafs use for the dash display, which '11 and '12 Leafs didn't even have.

I think the earliest build months we've seen of US market '13 Leafs are 1/2013.

See why I don't care?

edit: I think I found some posts that relate to where Leaf Spy's % SoC comes from. See viewtopic.php?p=280721#p280721 and the response from garygid (for which the unit gid was named, in his honor). Looks like someone sorta asked the question in the OP before: viewtopic.php?p=314356#p314356.

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Please don't PM me with Leaf questions. Just post in the topic that seems most appropriate.

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