Reverse Brake Assist Not Available. See Manual (none of the other threads pertain)

Neil4Real

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Link isn’t working for me
It says this:
Some 2021 Mustang Mach-E and F-150vehicles may exhibit a Reverse Brake Assist Unavailable message after module programming has been completed. This may be due to a network interruption from programming or configuring modules, which can cause steering center find to be reset. When the steering center find is reset, this causes various features to become disabled. The steering center find can be relearned by driving the vehicle approximately 5 minutes above 18 mph (30 km/h) straight ahead on a flat surface with no steering inputs for a few seconds. When steering center is found the Reverse Brake Assist Unavailable message will go away.
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AKgrampy

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That’s fair but it’s literally any time I back up. At the store, at work, restaurant, home. It doesn’t matter
I know this probably is a dumb response but did you go and read your manual? Do you have cross traffic alerts, traction control, and parking aids turned on?
 

Santiaventura

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Doy mi opinión, solo mi opinión basada en mi experiencia.
Mi mme en espacios abiertos, calles, autopistas, etc. Los sistemas de advertencia, frenado y parada funcionan perfectamente si es necesario
este sistema, cuando detecta que estoy aparcando en lugares muy estrechos como en mi garaje con múltiples objetos a su alrededor, se desactiva automáticamente para permitirte realizar la maniobra... si no lo hiciera, no nos dejaría mover el coche...
pensando que vamos a golpear algo.. Saludos
 
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Davedough

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I know this probably is a dumb response but did you go and read your manual? Do you have cross traffic alerts, traction control, and parking aids turned on?
I have and checked all the settings. Unless I missed one that wasn’t obvious, I’m not sure it’s that. Thank you
 


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Davedough

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Doy mi opinión, solo mi opinión basada en mi experiencia.
Mi mme en espacios abiertos, calles, autopistas, etc. Los sistemas de advertencia, frenado y parada funcionan perfectamente si es necesario
este sistema, cuando detecta que estoy aparcando en lugares muy estrechos como en mi garaje con múltiples objetos a su alrededor, se desactiva automáticamente para permitirte realizar la maniobra... si no lo hiciera, no nos dejaría mover el coche...
pensando que vamos a golpear algo.. Saludos
Gracias por la respuesta y disculpe mi español porque no es muy bueno. Entiendo que el automóvil detecta el garaje a su alrededor, pero esto también sucede cuando estoy en un estacionamiento grande y abierto cuando no hay nada cerca de mí.
 
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Davedough

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It says this:
Some 2021 Mustang Mach-E and F-150vehicles may exhibit a Reverse Brake Assist Unavailable message after module programming has been completed. This may be due to a network interruption from programming or configuring modules, which can cause steering center find to be reset. When the steering center find is reset, this causes various features to become disabled. The steering center find can be relearned by driving the vehicle approximately 5 minutes above 18 mph (30 km/h) straight ahead on a flat surface with no steering inputs for a few seconds. When steering center is found the Reverse Brake Assist Unavailable message will go away.
I’ll try this today in a parking lot when I get a chance, thanks
 

roz

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I’ll try this today in a parking lot when I get a chance, thanks
Have you had a chance to see if this fix works? I just got my car last week, it worked fine at first but then yesterday this error message started to pop up. Rear camera and sensors look good, and I’m also reversing on flat parking lots and still getting the error.
 

Mach-Lee

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I'll post this again, folks try this first. You need to let go of the wheel for as long as you can (maybe 5-10 seconds) on a straight/flat road several times.

SSM 50691 - 2021-2022 Mustang Mach-E/F-150 - Reverse Brake Assist Unavailable After Module Programming

Some 2021-2022 Mustang Mach-E and F-150 vehicles may exhibit a Reverse Brake Assist Unavailable message after module programming has been completed. This may be due to a network interruption from programming or configuring modules, which can cause steering center find to be reset. When the steering center find is reset, this causes various features to become disabled. The steering center find can be relearned by driving the vehicle approximately 5 minutes above 18 mph (30 km/h) straight ahead on a flat surface with no steering inputs for a few seconds. When steering center is found the Reverse Brake Assist Unavailable message will go away.
 
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Davedough

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Have you resolved this yet? What did the dealer say?
I tried all the suggestions here and it still persists. I unfortunately haven’t had time to schedule a dealer visit yet so that is still outstanding. It’s only a minor annoyance so it’s not high on my priority list, ya know?

@roz I did run through all the suggestions here and it’s still doing it, even the driving forward with no hands to no avail
 

roz

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I tried all the suggestions here and it still persists. I unfortunately haven’t had time to schedule a dealer visit yet so that is still outstanding. It’s only a minor annoyance so it’s not high on my priority list, ya know?

@roz I did run through all the suggestions here and it’s still doing it, even the driving forward with no hands to no avail
Thanks, mine seems to have gone away after turning reverse assist off and then back on after a couple of days… lol.
 

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I have the same problem after update
 

Stef51

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Hi!
I get the same issues. And the dealer just told me that they do not know what to do.
My car is already from 2 months on them.
Is there a solution found for this? Or my dealer is just idiot?
 

Ford Motor Company

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Hi!
I get the same issues. And the dealer just told me that they do not know what to do.
My car is already from 2 months on them.
Is there a solution found for this? Or my dealer is just idiot?
Hi there, I'd be happy to look into your Mach-E concerns on my end. Will you send us a message with your VIN and dealership info? I can look into things on my end.
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