Software Upgrade exaggerated mileage read out

Lindaandjon

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Aug 30, 2022
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Location
Ipswich
Driving
MG ZS EV
Our ZS EV has just had yts 3rd service and had a s/w update. Since then the mileage has been really inaccurate. For the first 2 years of its life it would read between 170 and 179 as max mileage after a full charge. It seemed to drop steadily relative to load and we would be happy to undertake a 150mile trip without thinking about recharge.

Since the upgrade the mileage claims to be between 202 and 221. It goes down steadily for about 60 miles then is all over the place. 10 miles can vanish in 1 mile, charging it for a short time (an hour on a granny charger) can reduce the mileage on the dash and it is totally unreliable. Yesterday we did 20 miles and lost 40. I'm a speed limit obeying driver (religiously).

It's also had the head unit reboot randomly whilst driving.

MG have had it back but can't find any issues. Anyone else getting this?
 
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