2024 Bronco Raptor Battery Dead

[Johnkn]

I went into my garage to start my 2024 Bronco Raptor today, it was completely dead, nothing, no lights, no dash lights, etc... 11 months old, 12k miles. I'm in my garage for hours a day/night, no interior/exterior lights left on.

I checked the battery voltage with a Fluke meter, 5.1 VDC. The truck has been sitting unused a few days which is not unusual, zero warning on the failure. I put a quality charger on it for 3+ hours, still nothing... Voltage still reads 5.1 VDC with the harness connected and the same with the harness disconnected reading only from the isolated battery.

The only thing 'unusual' was that 2 days ago I opened the Ford App on my phone to check the trucks milage.

It will not turn over or jump start with a large portable battery pack, several lights barely flicker.

I called my local Ford dealer, explained the situation, and requested Mobile Service to replace the battery. Service is scheduled for tomorrow..

I've had several Motorcraft batteries fail prematurely ( Maverick, Platinum Expedition, Platinum Explorer) but not quite this quickly. It seems (for me) they fail with infant mortality within the first ~18 months, or last 6+ years).

More to come.....

PS.. The only way I see to connect a jump to the positive terminal with via the thin bolt sticking up above it, I see no way to get the large clamp into the actual + terminal.. ??


.

Sponsored

 

[Johnkn]

Also, Is there a BMS reset procedure like the Maverick, etc..?

thanks

 

[G1D1UP]

PS.. The only way I see to connect a jump to the positive terminal with via the thin bolt sticking up above it, I see no way to get the large clamp into the actual + terminal.. ??

Shit, might be too late. Can you take photo of that ? In think my POS terminal looks diff.

 

[Johnkn]

Shit, might be too late. Can you take photo of that ? In think my POS terminal looks diff.

There's no room on my '24 to connect jumper clamps to the positive terminal or clamp on the terminal, the only thing accessible is the puny 10mm stud shown by the pointer.....

.

 

[Brian_B]

Also, Is there a BMS reset procedure like the Maverick, etc..?

thanks

Yes.

Should be the same on all Fords.

https://www.bronco6g.com/forum/threads/bronco-cheat-codes-list.91121/

This generation of AGM batteries are horrible. Mine made it 2 years 1 month before it died.

 

[Bschurr]

UGH - that sux @Johnkn - my Raptor is not my DD and sits for several days to weeks at a time without use and (knocking on wood) haven’t had a battery issue in its 20 month 12k mile life to date. Hopefully your replacement lasts longer than a year…

 

[Johnkn]

Op here.. This is really weird......

When the battery was at 5.1V I initially attempted to jump the truck with a large jumper pack. The truck acted really strange, a few lights flashed on the dash, the brake pedal pulsed really hard, windows moved, etc. but it wouldn't come close to turning over.. i just noticed this, all (4) windows are now hyper extended... Look at the gap and how high they are.... and I never touched the window switches. Hopefully the new battery and voltage resets everything back to normal.....

.

 

[rblume73]

Sounds like a bad battery, but just to ask did you hook up your charger to the negative side correctly between the vehicle ground point and BMS sensor instead of straight on the battery terminal. Sounds like you did if the battery still reads 5.1V with your Fluke.

When you drive it how far do go? It appears that with all the electronics we have in these things now the charging system takes longer to top off the battery.

 

[vrtical]

I can't wait for mine to die, but its pretty easy to toss a new one in then reset the BMS. low voltage anything on these things and it goes to complete haywire.

 

[Johnkn]

When you drive it how far do go? It appears that with all the electronics we have in these things now the charging system takes longer to top off the battery.

My daily trips are generally 80-100 miles..

The truck turned exactly 1 year old yesterday, just over 12k miles...

.

 

[rayofsi]

what kind of jump pack did you use? I've jumped everything including fully dead batteries with noco jump packs in override mode

 

[Johnkn]

Update, My Local Ford dealership Mobile Service just left. The tech confirmed the bad original battery and installed a replacement. The window parking position correctly reset. The tech saw no codes or CELs on this laptop plugged in. The only issue is a 'battery voltage low" error followed by "check brake system" error on screen when ignition on or starting.. I attribute it to the BCM needing to be reset to read the replacement battery voltage, however:

I tried 6-7x to perform the BCM reset, but no-go.

I pushed the start button 1x with foot off the brake to turn ignition on (and answered 'ok" to messages)
Flash high beam lights 5x
Pumped brake pedal 3x (all within 10 seconds)
Waited for the battery warning lamp to flash on the dash, it never does.....

Does that warning lamp actually flash on these trucks? They did with both my new Mavericks.

I'm hoping a long drive will return things to normal, the Tech suggested that a long drive would help given the odd state the truck was in due to attempting to start with the bad battery.
.

.

 

[Johnkn]

what kind of jump pack did you use? I've jumped everything including fully dead batteries with noco jump packs in override mode

JNC660 and Noco (The tech had the exact same JNC660). I've used both to jump Cumming Diesel trucks. No dice on this 5v battery with a dead cell.

.

 

[Johnkn]

Update, after letting the truck sit for another ~30 minutes I tried the Battery Reset procedure again and it is now working, the battery indicator flashed a few times. I turned the truck off, got out, and locked it and will let it sit until tomorrow, then drive it...

More to come..

.

 

[Ducati1098]

The only issue is a 'battery voltage low" error followed by "check brake system" error on screen when ignition on or starting.. I attribute it to the BCM needing to be reset to read the replacement battery voltage, however:

I tried 6-7x to perform the BCM reset, but no-go.

I'm guessing you meant BMS reset, not BCM?
The technician should have done that after replacing the battery.

Sponsored