2023 Badlands dangerous unintended acceleration while in four-wheel-drive low

[Charles Miller]

Hello friends,

My 2023 Bronco Badlands accelerates dangerously while in four-wheel-drive low. The transmission appears to be in first gear, then suddenly and dangerously surges forward and begins to accelerate. I then have to hit the brakes before hitting the vehicle in front of me. Yesterday it happen 10+ times, without any warning.

Charles Miller
2023 Ford Bronco Badlands
VIN: 1FMEE5DP9PLA86165
[email protected]
Frontier Ford, Santa Clara Ca

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[Area51BS]

Straight to the dealer and park behind something more expensive.

 

[USAGUY]

. That sounds hair raising scary. Only in 4wd low? Gonna have to agree with Area51BS. Straight to dealer.

 

[Lcubed]

check your floor matts and carpets then head to the dealer!

if you're in baja or sport mode, the gas pedal will be a tad more squirrelly

 

[Charles Miller]

. That sounds hair raising scary. Only in 4wd low? Gonna have to agree with Area51BS. Straight to dealer.

Only 4 low.

 

[Brian’sBronco]

I’m so confused, are you are on an off road trail or driving on the road? If your on the road why are you in 4Lo? Yes the car accelerates differently when in 4Lo because the gearing is very different than 2 or 4Hi. As stated 4Lo is for off-road use only.

 

[Charles Miller]

check your floor matts and carpets then head to the dealer!

if you're in baja or sport mode, the gas pedal will be a tad more squirrelly

No mode. Just 4 Low.

 

[Charles Miller]

I’m so confused, are you are on an off road trail or driving on the road? If your on the road why are you in 4Lo? Yes the car accelerates differently when in 4Lo because the gearing is very different than 2 or 4Hi. As stated 4Lo is fir off-road use only.

4 low, off road. Had it in 4 low all day on dirt trails.

 

[Brian’sBronco]

4 low, off road. Had it in 4 low all day on dirt trails.

Take it out of 4 Lo unless you need the extra gearing for rock crawling, use 4A for dirt trails that way the system can engage when needed. Most dirt trails can get by with just 2wd.

 

[Charles Miller]

Take it out of 4 Lo unless you need the extra gearing for rock crawling, use 4A for dirt trails that way the system can engage when needed. Most dirt trails can get by with just 2wd.

Good point. Didn’t think about that. I think last time I was there, I was in 4 high for most trails.

 

[Richterman]

did you have trail control on by accident?

 

[Charles Miller]

did you have trail control on by accident?

No trail control on. I’m pretty experienced when it comes to the Bronco’s features.

 

[Crzr45]

I was just in Death Valley and had the same thing happen! Just 4low and it throttled by itself without trail control on. I forget the specifics but I became one with it and knew when it would happen and had foot covering brake to control it. Need to go play around with it again and mail down the exact instances when it occurs. I recall something about being in Manual mode and i up shift from 1-2 or downshift from 2-1… 2022 Badlands/SAS/ 2.7

 

[Charles Miller]

I was just in Death Valley and had the same thing happen! Just 4low and it throttled by itself without trail control on. I forget the specifics but I became one with it and knew when it would happen and had foot covering brake to control it. Need to go play around with it again and mail down the exact instances when it occurs. I recall something about being in Manual mode and i up shift from 1-2 or downshift from 2-1… 2022 Badlands/SAS/ 2.7

interesting. Sounds like the same experience.

 

[0ne]

Maybe it’s shifting out of low into high without indicating it due to excessive speed beyond parameters of low?

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