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FOREScan software installed

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Old Nov 4, 2016 | 10:55 PM
  #136  
Sleepyguy's Avatar
Sleepyguy
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From: Edmonton Alberta Canada
Would a mod or the OP mind editing the first post to include what has been learned? What you can change and all. Tire pressure warning and double honk leaving would be welcome mods for sure.
 
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Old Nov 4, 2016 | 11:15 PM
  #137  
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EpicCowlick
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From: North of Salt Lake City
I created a spreadsheet with the features that can be changed so far. There's only three items on it now but I intend to add new mods as soon as we learn them. Here's the thread with a link to the spreadsheet on the first post.

https://www.ford-trucks.com/forums/1...readsheet.html
 
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Old Nov 5, 2016 | 02:10 PM
  #138  
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Sleepyguy
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From: Edmonton Alberta Canada
Thank you and to be clear this does not effect warranty? Messing with computer and all.
 
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Old Nov 5, 2016 | 02:19 PM
  #139  
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jdunk54nl
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You are just turning options that were factory installed on and off. You are not changing anything other than factory settings = no warranty issues.
 
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Old Nov 6, 2016 | 11:40 AM
  #140  
kylant's Avatar
kylant
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Joined: Sep 2016
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what exactly is needed to get FOREscan up and running?
and where do you get it?

I understand the computer and the bluetooth obd adapter.
what about software? what version?
 
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Old Nov 6, 2016 | 11:49 AM
  #141  
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jdunk54nl
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go to forscan.org. Create an account on the forum, wait a day or two to be accepted. Download the software from that site, install and follow the instructions on the site to get the extended license.
 
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Old Nov 6, 2016 | 01:59 PM
  #142  
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screwy
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From: Over Yonder, MN
I’ve been reading a lot about Forscan on several forums, and see what I consider to be a lot of misinformation about what is going on. So, I’m writing this not to discourage people from using it, clearly… I’ve used it myself, but so people know what they are getting into.

Forscan isn’t merely changing “factory options”, which sounds fairly benign, although that may be the ultimate outcome in some cases, that’s not what forscan is doing. Forscan is changing memory blocks at the bit level. This is about as down and dirty as you can get when it comes to computers, and potentially very dangerous. Forscan itself even warns you about some of the dangers. This is borderline hacking, entry level maybe, but it qualifies by the strictest definition of the word. I say potentially dangerous because only the input parameter blocks (depending on how much you trust forscan itself, but that’s another discussion) are being changed and any good programmer knows to validate their inputs. The question is, was the programmer at Ford who wrote that particular modules software a good programmer? You hope, but you don’t know. Unchecked inputs produce unpredictable behavior, which is where the dangerous part comes into play.

The Ford modules are black boxes, we can give them inputs and see how they react. This is how a number of options have been found. But exactly what it’s doing with those inputs is a mystery. Take for example the double honk, we’ve learned that changing a particular bit disables it. We’ve learned this through observation, but observations aren’t complete. What if for example changing that 1 bit not only disables the double horn honk, but also disables all of the airbags without any warnings? I’d like to stress this is an extremely unlikely scenario for several reasons, but it makes a good point. How do you know? Chances are good you certainly haven’t tested the airbags.

Even if we assume that Ford has great programmers and that no module will accept any values it wasn’t specifically designed to, there could still be potential parameters that are valid and would be accepted by the modules, but were never intended to be used outside the design lab. What they may be or do doesn’t really matter, what does is that they weren’t intended for production vehicles and their use puts the vehicle outside it’s deigned operating parameters. If ford can trace a failure back to this, say goodbye to your warranty. But as we all know, even if they can’t specifically point to that causing the failure, the simple transgression of treading on their holy ground may cause them to want to make an example of you and now you, in turn, will have to fight it.

I chose to accept these risks for the few changes I made, there are other changes I may not be willing to risk making. Bottom line, you pay to play. If it goes bad on you you’ve got no one else to blame.
 
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Old Nov 6, 2016 | 04:46 PM
  #143  
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Onebadamx
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Joined: Apr 2016
Posts: 44
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From: Connecticut
Very good read sir.
I would like a few things changed also. The sales department made an error on my order from April. These are the four things I would like done on prep form the service department. This is a quote from our correspondence.

There are some software options I would like done during prep.
1. Set the power mirrors to close when the truck is shut off.
2. Set the tire pressure sensor monitors to 60 lbs all around.
3. Disable double horn honk when walking away from truck.
4. Enable fog lights to stay on while high beams are on.
Will be interesting to hear there response.
 
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Old Nov 6, 2016 | 05:11 PM
  #144  
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wb6anp
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From: Weatherford Texas.
I don think there is an option anywhere to fold the mirrors when you shut the truck off, even through FOREscan
 
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Old Nov 6, 2016 | 05:33 PM
  #145  
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Onebadamx
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That would be a bummer. I can just imagine Buffy's little brat doing a chin up off one;
 
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Old Nov 6, 2016 | 07:17 PM
  #146  
dadz34's Avatar
dadz34
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10 Year Member
Joined: Oct 2013
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From: Sanger
Question

Originally Posted by screwy
I’ve been reading a lot about Forscan on several forums, and see what I consider to be a lot of misinformation about what is going on. So, I’m writing this not to discourage people from using it, clearly… I’ve used it myself, but so people know what they are getting into.

Forscan isn’t merely changing “factory options”, which sounds fairly benign, although that may be the ultimate outcome in some cases, that’s not what forscan is doing. Forscan is changing memory blocks at the bit level. This is about as down and dirty as you can get when it comes to computers, and potentially very dangerous. Forscan itself even warns you about some of the dangers. This is borderline hacking, entry level maybe, but it qualifies by the strictest definition of the word. I say potentially dangerous because only the input parameter blocks (depending on how much you trust forscan itself, but that’s another discussion) are being changed and any good programmer knows to validate their inputs. The question is, was the programmer at Ford who wrote that particular modules software a good programmer? You hope, but you don’t know. Unchecked inputs produce unpredictable behavior, which is where the dangerous part comes into play.

The Ford modules are black boxes, we can give them inputs and see how they react. This is how a number of options have been found. But exactly what it’s doing with those inputs is a mystery. Take for example the double honk, we’ve learned that changing a particular bit disables it. We’ve learned this through observation, but observations aren’t complete. What if for example changing that 1 bit not only disables the double horn honk, but also disables all of the airbags without any warnings? I’d like to stress this is an extremely unlikely scenario for several reasons, but it makes a good point. How do you know? Chances are good you certainly haven’t tested the airbags.

Even if we assume that Ford has great programmers and that no module will accept any values it wasn’t specifically designed to, there could still be potential parameters that are valid and would be accepted by the modules, but were never intended to be used outside the design lab. What they may be or do doesn’t really matter, what does is that they weren’t intended for production vehicles and their use puts the vehicle outside it’s deigned operating parameters. If ford can trace a failure back to this, say goodbye to your warranty. But as we all know, even if they can’t specifically point to that causing the failure, the simple transgression of treading on their holy ground may cause them to want to make an example of you and now you, in turn, will have to fight it.

I chose to accept these risks for the few changes I made, there are other changes I may not be willing to risk making. Bottom line, you pay to play. If it goes bad on you you’ve got no one else to blame.
Well, this certainly changes things. If only I knew about this before ordering the Bluetooth ODBII connector on Friday. Now I'm not certain the risk is worth the reward? What am I missing?
 
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Old Nov 6, 2016 | 07:25 PM
  #147  
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DeputyDiesel
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Originally Posted by dadz34
Well, this certainly changes things. If only I knew about this before ordering the Bluetooth ODBII connector on Friday. Now I'm not certain the risk is worth the reward? What am I missing?
The first person to get into an accident needs to report back and let us know if their airbags deployed. Problem solved.
 
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Old Nov 6, 2016 | 07:36 PM
  #148  
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Mayo131
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Originally Posted by DeputyDiesel
The first person to get into an accident needs to report back and let us know if their airbags deployed. Problem solved.
LOL. Hopefully they aren't hurt enough to not use their hands.
 
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Old Nov 6, 2016 | 07:36 PM
  #149  
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System
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The sky isn't falling....


 
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Old Nov 6, 2016 | 07:58 PM
  #150  
2009kr's Avatar
2009kr
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Originally Posted by screwy
I’ve been reading a lot about Forscan on several forums, and see what I consider to be a lot of misinformation about what is going on. So, I’m writing this not to discourage people from using it, clearly… I’ve used it myself, but so people know what they are getting into.

Forscan isn’t merely changing “factory options”, which sounds fairly benign, although that may be the ultimate outcome in some cases, that’s not what forscan is doing. Forscan is changing memory blocks at the bit level. This is about as down and dirty as you can get when it comes to computers, and potentially very dangerous. Forscan itself even warns you about some of the dangers. This is borderline hacking, entry level maybe, but it qualifies by the strictest definition of the word. I say potentially dangerous because only the input parameter blocks (depending on how much you trust forscan itself, but that’s another discussion) are being changed and any good programmer knows to validate their inputs. The question is, was the programmer at Ford who wrote that particular modules software a good programmer? You hope, but you don’t know. Unchecked inputs produce unpredictable behavior, which is where the dangerous part comes into play.

The Ford modules are black boxes, we can give them inputs and see how they react. This is how a number of options have been found. But exactly what it’s doing with those inputs is a mystery. Take for example the double honk, we’ve learned that changing a particular bit disables it. We’ve learned this through observation, but observations aren’t complete. What if for example changing that 1 bit not only disables the double horn honk, but also disables all of the airbags without any warnings? I’d like to stress this is an extremely unlikely scenario for several reasons, but it makes a good point. How do you know? Chances are good you certainly haven’t tested the airbags.

Even if we assume that Ford has great programmers and that no module will accept any values it wasn’t specifically designed to, there could still be potential parameters that are valid and would be accepted by the modules, but were never intended to be used outside the design lab. What they may be or do doesn’t really matter, what does is that they weren’t intended for production vehicles and their use puts the vehicle outside it’s deigned operating parameters. If ford can trace a failure back to this, say goodbye to your warranty. But as we all know, even if they can’t specifically point to that causing the failure, the simple transgression of treading on their holy ground may cause them to want to make an example of you and now you, in turn, will have to fight it.

I chose to accept these risks for the few changes I made, there are other changes I may not be willing to risk making. Bottom line, you pay to play. If it goes bad on you you’ve got no one else to blame.
I agree with this post based on my experience with embedded systems. Just changing config bits (assuming they are just config bits) and observing the output changes is not safe for a safety critical embedded system. If we have some spec on the data structures we are changing or can instrument the computer to understand how the changes really impact the system, that'd be much better. I agree that the risk isn't huge, but it isn't zero either.
 
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