On the Chevy discussion lists they can the displayed range estimate the "GOM" which stands for Guess O'Meter.
It's reasonably accurate if you always drive the same route, and on the Bolt they also have Max/Min range displayed. While the estimated range is sometimes off, the Max has always been more than I get and the min is alway less than I get. Lots of folks have asked Chevy to display the current SOC in KWH, but Chevy doesn't feel that consumers need to know that info so they have always refused to provide it. However, there are several options that connect to the OBD-II connector and can provide that info if you really want it. My PGP public key: https://vanderwal.us/evdl_pgp.key December 20, 2021 9:15 PM, "Ed Blackmond via EV" <ev@lists.evdl.org> wrote: > When you folks refer to the range of your Bolt, are you referring to actual > miles driven, or the > number of miles displayed on the dash? The problem with displaying a range > number is that most > people interpret it as the capacity of the battery pack. It is only loosely > related to the capacity > of the pack. > > The number presented on the dash is dependent on how you have been driving > most recently as well as > climate control settings and the outside temperature. If you most recently > drove mostly up hill > with the heater on in very cold weather, the number will be lower than if you > most recently drove > rather slowly down hill with the climate control off on a warm day. > > The number displayed on the dash is only useful in conjunction with the trend > bars. It is useless > otherwise. However when used in conjunction with the trend bars, I have found > the range estimates > to be quite useful and accurate. If I need to drive farther than the range > presented and less than > the maximum presented, I know to change my driving profile to push the trend > bars above the range > displayed. I have never fully discharged my battery before reaching my > destination using this > technique. The instrumentation on the Bolt is far superior to that on my 2011 > Leaf and roughly > equivalent to that of my 1998 Honda EVPlus. > > It has been about six months since I have driven my 2017 Bolt to the edge of > its range, but I found > the range at that time to be the same as when the car was new five years ago. > > Ed > >> On Dec 20, 2021, at 6:51 PM, steve sawtelle via EV <ev@lists.evdl.org> wrote: >> >> We had ours set back to 80%, but as you said, it was done at the dealer. We >> got our new battery >> pack the other day and will be testing it out tomorrow driving to NC from >> northern VA.. >> >> Cold weather definitely affects range. Mark, you haven't had yours through a >> winter yet, right? My >> wife drives our Bolt so I'm not sure how the range changes with temperature, >> but on my Volt I get >> 50 plus range in summer and around 40 in winter. Probably similar climate to >> you. >> >> -steve >> >> On Monday, December 20, 2021, 09:33:29 PM EST, Mike Chancey via EV >> <ev@lists.evdl.org> wrote: >> >> I am told GM can't do over the air updates on the Bolt except to the >> infotainment system, and they have never bothered to do that. Have you had >> any of the recalls performed yet? My 2020 Bolt LT has not been made >> eligible for the recall battery replacement or even the interim software >> that limits full charge to 80%. If you are in an area with cooler weather >> you might want to check to see if you have the auto defrost function >> enabled. Some folks have seen a significant range hit when that activates. I >> have just been seeing the lost of miles per kilowatt hour that comes with >> cold weather and heater use. I don't charge to 100% since the recall, just >> 90% per GMs recommendations so I can't compare my range, and there are too >> many other variables to make a comparison valid. >> >> Mike Chancey >> 2020 Chevy Bolt LT >> Kansas City, MO >> >> -----Original Message----- >> From: EV <ev-boun...@lists.evdl.org> On Behalf Of mark hanson via EV >> Sent: Monday, December 20, 2021 7:55 PM >> To: 'Electric Vehicle Discussion List' <ev@lists.evdl.org> >> Cc: mark hanson <markehans...@gmail.com> >> Subject: [EVDL] Chevy Bolt 2020 50 mile Range Drop in One Year >> >> Hi Folks, >> >> My 260 mile $30K Chevy Bolt 2020 range dropped to 210 this year. I normally >> charge to 80% for local trips (although that tidbit is missing from the >> manual/display unlike the Leaf & Tesla). When I charge to 100% last month >> it was still about 260 miles, now this week it dropped to 210 miles. I read >> that there were some battery issues at 100% (maybe because they didn't tell >> folks to charge to 80% for local use). The battery was advertised as 64KWH >> although it's stamped underneath at 62KWH but now behaving like a 50KWH or >> 80% battery pack. I wonder if the Mother Ship downloaded a 80% operation >> through OnStar that it has (but I didn't pay for)? >> >> Has anyone had this happened on their Bolt. I was going to buy a cheaper >> 210 mile Leaf, but bought the Bolt for the longer range, oops - now the same >> as the cheaper Leaf. >> >> The Tesla Y at the same 21K miles is still doing 325 miles range and charges >> *much* faster (up to 200KW pre-cooling the pack), more fast charging >> stations through the easy to use GPS. >> >> Have a renewable energy day, >> >> Mark >> >> Mark E. Hanson >> >> 184 Vista Lane >> >> Fincastle, VA 24090 >> >> 540-473-1248 phone & FAX, 540-816-0812 cell >> >> REEVA: community service RE & EV project club >> >> Website: www.REEVAdiy.org (See Project Gallery) >> >> UL Certified PV Installer >> >> My RE&EV Circuits: www.EVDL.org/lib/mh >> >> REEVA Demo: <http://youtu.be/4kqWn2H-rA0> http://youtu.be/4kqWn2H-rA0 >> >> <https://www.weatherlink.com/embeddablePage/show/a88920376f864ecabaed843dd89 >> 75b8d/signature> Fincastle Solar Weather Station >> >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: >> <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20211220/154ad7ad >> /attachment.html> >> _______________________________________________ >> Address messages to ev@lists.evdl.org >> No other addresses in TO and CC fields >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> ARCHIVE: http://www.evdl.org/archive >> LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> >> _______________________________________________ >> Address messages to ev@lists.evdl.org >> No other addresses in TO and CC fields >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> ARCHIVE: http://www.evdl.org/archive >> LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> URL: >> <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20211221/a71b7885/attachment.html> >> _______________________________________________ >> Address messages to ev@lists.evdl.org >> No other addresses in TO and CC fields >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> ARCHIVE: http://www.evdl.org/archive >> LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > > _______________________________________________ > Address messages to ev@lists.evdl.org > No other addresses in TO and CC fields > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > ARCHIVE: http://www.evdl.org/archive > LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/ LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org
