Any Truth to This Regarding Disabling Stop/Start

[conductor]

This will adversely affect the Battery Management System.

And what adverse things happen when you pull the wire off that you're talking about?

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[got3fords]

And what adverse things happen when you pull the wire off that you're talking about?

Your battery will just die without any of the warning signs, and you will be stranded! Maybe.

 

[airline tech]

And what adverse things happen when you pull the wire off that you're talking about?

This is one of those areas of discussion where everybody has their own opinion.

I have posted how Ford, deleted and disabled my 2022.
My BMS is still active, and I am closely monitoring Battery Health along with TJC.
The Most important issue with Battery Health is monitoring what the IR of the battery is and I have baby stepped my SOC up to currently set at 90%.

Now there are a few ways to get the ASS to disable, I personally do not like a disconnect at the battery, as a disconnect will affect how the system operates. (It will lose monitoring)
Now most on here chose to disconnect for other reasons than the ASS and that is how the battery charging system reacts - as the BMS system is intended to help in fuel savings.

Ref: The video below, Ford Boss Me, touches base on disabling via Forscan which is what TJC and I have determined that the Forscan way still keeps the BMS active but only disables the ASS side of the programming.

In the video below, when he disables via Forscan

This is the Hex Line that is being changed:
BCM:
726-48-02 (0100-0000-0179) - With ASS Enabled
726-48-02 (X0xx) With ASS Disabled

In the video he mentions turning off the IPC (Indication)
He is talking about this Hex-Line Change

IPC:
720-01-01 (2F0F-3464-7271) ASS IPC Screen / Indicator - Enabled
720-01-01 (2F0F-1464-7251) ASS IPC Screen/ Indicator - Disabled

What he does not mention is the way Ford disabled mine and that is this Hex-Line Change along with the Switch (Deleted from the Truck)

FCIM:
7A7-01-01 (0076-81DC-1497) ASS Enabled Truck - Switch Enabled
7A7-01-01 (0076-80DC-1496) ASS Deleted Truck - (Switch Disabled) (Mine)

Now keep in mind that some on this sight have disconnected at the battery and state no issues, so it boils down to user preference.
I do not have ASS and I did not want it anyway, if I had it installed it would have been disabled day one of ownership.

So, my quest is to have the BMS active and just adjust the SOC up from factory settings to get a balance battery charge and yet still keep the functionality of the system.
I am holding for now at 90% SOC and will monthly monitor battery health and keep the IR readings from battery tests in the low 3's

2021 Ford Ranger Auto Start Stop Disable and BMS THE RIGHT WAY (youtube.com)

 

[dtech]

Why all the screwing around trying to get the stop and start disabled with 120 pushes, and Electric plugs, why don't you just disconnect the BMS right at the negative terminal on the battery one wire, takes 10 seconds and after that no more stop start. And it charges the battery up the way it's supposed to.

Because that's too easy and makes too much sense and even remotely possible it might curtail all of the threads about all the horrid, vile and unknown things that might happen without the bms. Disconnect and be done with it, and btw one still gets a low battery warning if the stupid thing is disconnected, ask me how I know this.

 

[pbethel]

Because that's too easy and makes too much sense and even remotely possible it might curtail all of the threads about all the horrid, vile and unknown things that might happen without the bms. Disconnect and be done with it, and btw one still gets a low battery warning if the stupid thing is disconnected, ask me how I know this.

Okay.
How?

 

[dtech]

Okay.
How?

When I was hunting this fall and the truck sat in the cold for 3 days, up popped a low battery warning.

 

[Colo_Ranger]

Disconnect and be done with it, and btw one still gets a low battery warning if the stupid thing is disconnected, ask me how I know this.

Okay.
How?

When I was hunting this fall and the truck sat in the cold for 3 days, up popped a low battery warning.

This was such a roller coaster of emotions. I had no idea what to expect.



There are plenty of ways to disable the ASS (heh, heh, heh) and this thread wasn't, in my opinion, about all the different ways. This thread was about this specific method and asking if it was true.

I can't believe you'd unplug a sensor when you can just disable it with Forscan. Everyone has the method that works and they are comfortable with.

 

[got3fords]

Do I use the left hand or the right hand

Your left foot.

 

[Brianj67]

My Goodness, just plug an old, useless AC/DC adaptor in the 120v outlet and be done with it. And it's easily reversible.

I went to the bucket full of "stuff you should turf" and found a useless adaptor. It worked. Too funny.

 

[dtech]

This was such a roller coaster of emotions. I had no idea what to expect.



There are plenty of ways to disable the ASS (heh, heh, heh) and this thread wasn't, in my opinion, about all the different ways. This thread was about this specific method and asking if it was true.

I can't believe you'd unplug a sensor when you can just disable it with Forscan. Everyone has the method that works and they are comfortable with.

as someone posted - it takes a mere 10 seconds to unplug the sensor - and as I've mentioned it's been over 2 yrs since doing so and no ills effects - just the positive impact of extending the battery life. So believe it, I had the audacity to unplug, despite that Ford techs rubbish youtube vid about all the dire consequenses of doing so.

I've never bothered to mess with Forscan, esp since there is a simpler method.

 

[got3fords]

I went to the bucket full of "stuff you should turf" and found a useless adaptor. It worked. Too funny.

Exactly what I did. I also cut the cord off so it was much more clean and tidy.

 

[Colo_Ranger]

as someone posted - it takes a mere 10 seconds to unplug the sensor - and as I've mentioned it's been over 2 yrs since doing so and no ills effects - just the positive impact of extending the battery life. So believe it, I had the audacity to unplug, despite that Ford techs rubbish youtube vid about all the dire consequenses of doing so.

I've never bothered to mess with Forscan, esp since there is a simpler method.

I was using it as an example of how the same could be said with your method. I chose not to do it that way, in fact, I just use tow mode. I like the way it drives with tow mode, with the engine braking. More than anything, there are multiple ways to skin a cat. To each their own.

 

[Cmar]

Do I use the left hand or the right hand

Depends on whether you're left or right handed.

 

[pbethel]

I can't believe you'd unplug a sensor when you can just disable it with Forscan. Everyone has the method that works and they are comfortable with.

Spoken by someone that is not a computer illiterate dinosaur. My response to this thread approaches the limits of my envelope.

 

[TJC]

I went to the bucket full of "stuff you should turf" and found a useless adaptor. It worked. Too funny.

You are drawing power doing it this way. Maybe not much, but BMS is already minimizing your battery charge to 75%. Every little bit helps. Why weaken further what is already a marginal charging system.

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