navydiver wrote: ↑Thu, 19 Aug 2021, 06:14
Blame is not my game- Working with MG ringwood and MG who are helping. I want it to do what I expect/require
My bad, I chose my words poorly. What I meant was, to make a meaningful comparison between one car and another, you need to have the HVAC off, N and 3 settings, but also you need to reset both trip and long-term stats pages. Otherwise, many other factors will confound the estimate.
I use the unofficial Thai app, just to read out the firmware versions. I strongly recommend that you do this too, because I'm 90% sure that you have the bad BMS firmware, despite the fact that MG told you it was all updated before delivery, and have checked that you have the latest firmware. There seems to be some glitch with the MG diagnostic software or procedures, such that you sometimes get told that your firmware is up to date, when it clearly isn't. People in the UK have researched many of the firmware versions, and they know which BMS firmware is bad. So if you get yourself the right kind of Bluetooth dongle, then use the unofficial Thai app to read out the firmware versions, and we can figure out whether you have the bad one. Once you have that info, you can go back to them with real evidence, and insist that the firmware gets updated somehow. Then it will still take you weeks to get the battery back to proper balance. Sadly, the longer you run with the bad firmware, the worse the balance gets, it seems.
Have you read this topic carefully? Software has some but not all Comfort 2 features
. Find out the right sort of dongle to get from this UK topic: Project OBD2 - Mobile App v1.2.1
. It's a long topic, probably no need to read all of it. In partuicular, you need a dongle with "ordinary" Bluetooth (one that you pair with your phone), NOT a Bluetooth LE dongle. The unofficial Thai app doesn't support Bluetooth LE. Some dongles have Bluetooth LE but can also pair; that's OK. Also note: "best to purchase OBD2 device with PIC18F25K80 chipset." I ended up with a Vgate dongle; I posted about it here
. I also patched the unofficial Thai app, so that it records one extra firmware version (for the on board charger, which may well be relevant to your situation). Download it from the end of this post
I really hope that we can get you up and running soon; it's a shame to see a near-new ZS EV with such poor range. I really hope that MG sorts out their diagnostic software/procedures soon too, so that people don't have to suffer needlessly as you appear to be. Unfortunately, you can't buy suitable dongles off-the-shelf, so you have to order them online, and they typically take ages to arrive. There is a place that sells them in Australia, but I could not find out whether it was suitable for this app, and they were not that cheap that I could take a chance, so I didn't order from them.
As to the app in Bjorn's video, that's the official
Thai app, which makes use of a "TBOX" computer inside the car. Unfortunately, most markets outside of Thailand don't have that box installed, so there is no app for Europe or Australia. There is an open source equivalent called OVMS (Open Vehicle Management System I think), which has its own app, but there are technical problems getting some things to work. It seems that the UK body computer requires encrypted commands or it sets off the alarm. So until they crack that problem, OVMS will be of limited use in the ZS EV, sadly. The reason that there is no app outside Thailand seems to be bound up with storing information about cars in Chinese servers, I don't understand the full details. Hopefully that will get sorted one day too.
MG ZS EV 2021 April 2021.
Nissan Leaf 2012 with new battery May 2019.
5650 W solar, 2xPIP-4048MS inverters, 16 kWh battery.
1.4 kW solar with 1.2 kW Latronics inverter and FIT.
Patching PIP-4048/5048 inverter-chargers.