FordPass Range Went From 280 to 275 - While Sitting in Garage on FCCS?

[Scooby24]

It's the temp, whether you buy it or not. ?

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[thenew3]

Here's one I've never seen before. Last night, I plugged my car in and charged it to 100% because I'm going on a trip today. Before I went to bed, I checked FordPass to make sure the car had changed to 100%. It had, and FordPass reported "Charge Complete 100% 280 Mi". This morning, when I woke up, I checked FordPass again, and it reported "Charge Complete 100% 275 mi". What happened to my 5 miles? The car was sitting in the garage all night, on the FCCS.

I see this happen all the time. The range either mysteriously goes up or down by a few miles.

I've also seen estimated range go down by as much as 30 miles the moment I unplug the charger (at 100% charge).

After the HVBJB recall work, Now I randomly see the battery charge % go up or down by up to 3% overnight while sitting in the driveway (not plugged in). I can park the car in the driveway with 72% charge, 60 degree ambient temp, then the next morning, at 45 degree ambient it'll show 75% battery remaining. Mysterious 3% gain overnight.

 

[Jimrpa]

It's the temp, whether you buy it or not. ?

It was explained. It’s a bit more involved than “oh, the temperature in your garage varied by 2 degrees” ?

 

[hprose]

Not buying the whole temp thing. First, my garage doesn’t get that cold. Second, I checked the car around 1:00 AM.

The GOM (guessometer) is constantly guessing and changing values just like it did on my trucks and PHEV. They are not and never will be a hard number. I have a GT and my number ranges from 270 to 295 on my driving. And yes, it will change during the day or night. It has little to do with the miles you will actually get same as the guessing for an ICE. It is not battery degradation. The only hard number to watch is the % of battery remaining. Everything else is an estimate. If I pull away from a light quickly I can see the number go down just a bit. If I am in unbridled and in the city it goes up. I look at it as a curiosity same as in an ICE.

 

[Jimrpa]

The GOM (guessometer) is constantly guessing and changing values just like it did on my trucks and PHEV. They are not and never will be a hard number. I have a GT and my number ranges from 270 to 295 on my driving. And yes, it will change during the day or night. It has little to do with the miles you will actually get same as the guessing for an ICE. It is not battery degradation. The only hard number to watch is the % of battery remaining. Everything else is an estimate. If I pull away from a light quickly I can see the number go down just a bit. If I am in unbridled and in the city it goes up. I look at it as a curiosity same as in an ICE.

This is what I do. I view the GOM more as a curiosity than anything else. I just found it odd that it changed while the car was sitting quiescent, powered off.

 

[hprose]

This is what I do. I view the GOM more as a curiosity than anything else. I just found it odd that it changed while the car was sitting quiescent, powered off.

I just looked at mine and in from of my eyes my % dropped from 59 to 58 but my miles increased from 159 to 162. The computer updated with its latest information. Doesn’t mean I’m leaking energy nor does it mean that I can suddenly drive farther. Computers are constantly purring.

 

[Jimrpa]

I just looked at mine and in from of my eyes my % dropped from 59 to 58 but my miles increased from 159 to 162. The computer updated with its latest information. Doesn’t mean I’m leaking energy nor does it mean that I can suddenly drive farther. Computers are constantly purring.

I much prefer an explanation along the lines of Maxwell’s Demons ?

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