Bronco wouldn't start, whats going on?

[Southern frog]

Go to start my bronco today (cuz of work it hasn't been started in 2 months) it didn't start put a jumper on it and it cranked up. Letting it warm up I rved it up some once it hit 3000 it looked like it wanted to die. I pulled it in and out the garage a few times. Went to press the brake and put it in park. The brakes started jumping the lights went crazy and it the bronco died. The pass app said it detected power relay de-energized earlier than expected and engine off timer concerned. It has less than 4000 miles on it WTF. The earliest the shop can see me is next Friday.

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[Busterbronco1]

your battery developed a "dead" cell from sitting and probably is bad.

 

[Lowcountry Bronco]

Sorry to hear, next time drop it off with me and I'll keep the battery charged.

 

[Southern frog]

your battery developed a "dead" cell from sitting and probably is bad.

I've had battery died and not charged back up and ones that just needed a jump. Had some one explain that a bad cell could start with help but not on its own and cause codes. Thanks for the help

 

[LMF Bronc]

These have AGM batteries and they really don't like being discharged, and they're slow to take a charge. If you're going to not drive it for months at a time you're really going to want to hook up a battery tender especially once you're out of warranty.

 

[330SMG]

Go to start my bronco today (cuz of work it hasn't been started in 2 months) it didn't start put a jumper on it and it cranked up. Letting it warm up I rved it up some once it hit 3000 it looked like it wanted to die. I pulled it in and out the garage a few times. Went to press the brake and put it in park. The brakes started jumping the lights went crazy and it the bronco died. The pass app said it detected power relay de-energized earlier than expected and engine off timer concerned. It has less than 4000 miles on it WTF. The earliest the shop can see me is next Friday.

Your battery is toast.
Don't leave vehicles sitting for 2 months without starting them, especially a modern one, if someone could start it that would be best.
Or
Get a battery tender for the Bronco that cycles the battery.

 

[da_jokker]

The Bronco is very sensitive to battery voltage. If it gets low it seems to really confuse all the modules and lights up like a Christmas tree.

 

[j_anderson]

Your battery is toast.
Don't leave vehicles sitting for 2 months without starting them, especially a modern one, if someone could start it that would be best.
Or
Get a battery tender for the Bronco that cycles the battery.

There is also the scheduled start option using the ford pass app. It could be set to startup on a repeating schedule

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