How would I do a bms reset??

[Anthonie]

I have a 2021 limited 3.5 eco boost I put 4 8” subwoofers and upgraded to a h8 battery when I put the h8 in is there anything I need to do In forscan to tell the truck it has a bigger battery and how would I change the soc in forscan and what should I change it to I’m trying to make the battery charge to 14+ volts I also heard somthing about a bms reset how would I perform that

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[UGADawg96]

From the google machine:

1. Turn key on but don't start and parking brake off
2. Flash high beam headlights 5 times
3. Hit brakes 3 times
4. Watch for battery light to start flashing

 

[UGADawg96]

also, here:

https://www.f150gen14.com/forum/threads/factory-battery-ongoing-issues.22496/post-432257

 

[Eds pb platinum]

Hea

From the google machine:

1. Turn key on but don't start and parking brake off
2. Flash high beam headlights 5 times
3. Hit brakes 3 times
4. Watch for battery light to start flashing

Headights need to be off; and it works!
Thanks

 

[Ricksc]

Worked for me I didn’t turn headlights off. 22 xlt.

 

[F-1Fiddy]

Hea

Headights need to be off; and it works!
Thanks

Thank you! Crucial step right here. Add this to the list.
Thank you.

 

[Porpoise Hork]

Can also use Forscan to reset it.

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