HVB charge indicator stuck at 100% on instrument panel ‘21 mach e

[Burt]

Any one have fix

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[Kamuelaflyer]

Have you tried rebooting sync yet?

 

[Burt]

No. Thanks, but I’m talking about the instrument panel not the infotainment screen.

 

[Mach-Lee]

Can you describe the problem with more detail? What do you mean by stuck at 100%?

You may need to drive 10+ miles before it will decrease to 99% after a full charge.

 

[Guss-E 2021]

Perhaps you accidentally got a Mach-E using a prototype Flux Capacitor. If the men in black haven't shown up to reclaim it, I say run with it ?

 

[jetermeyer]

I had this happen after charging to 100% for a road trip. It took time while driving to start reducing. I didn't have to do anything but never happened before. All is well. Also 2021. Had no other issues, just slow to show initial change in percentage.

 

[Kamuelaflyer]

No. Thanks, but I’m talking about the instrument panel not the infotainment screen.

Both reboot when you reboot sync.

 

[Burt]

Can you describe the problem with more detail? What do you mean by stuck at 100%?

You may need to drive 10+ miles before it will decrease to 99% after a full charge.

Got it. Did not know that. Cold Vermont morning 4 degrees getting I.4 miles per kwh and the state of charge of the HVB remained at 100%, but it was only a four mile trip. Almost never charge to 100%.. Will see what happens today. thanks

 

[Burt]

I had this happen after charging to 100% for a road trip. It took time while driving to start reducing. I didn't have to do anything but never happened before. All is well. Also 2021. Had no other issues, just slow to show initial change in percentage.

Thanks . Sounds like what happened. Situation was as explained to another responder.

 

[Burt]

Can you describe the problem with more detail? What do you mean by stuck at 100%?

You may need to drive 10+ miles before it will decrease to 99% after a full charge.

Took car out today working normally. Wonder if has something to do with decreased size of HVB buffer, if that actually happened.

 

[Mach-Lee]

Took car out today working normally. Wonder if has something to do with decreased size of HVB buffer, if that actually happened.

The SoC meter has hysteresis at the top end of the charge range. Has to do with the top buffer and the way the BMS estimates state of charge. Pack temperature change after charging will also affect it.

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