SCT X4 questions - Page 2 - Ford Mustang Forum
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post #16 of 23 (permalink) Old 02-29-2016 Thread Starter
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Again, fact or fiction. Is there anyone with first hand knowledge here?

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I guess you are going to keep asking the same question until you get the answer that you want. Do a search and you will get the same answer I just gave you.



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Quote:
Originally Posted by Lou95GTS View Post
Are you guys quoting old wife's tales or fact?
SCT says it won't leave a trace or signature when you return it to stock. Mind you SCT is less than honnest or helpful so.....
Are they a used car salesmen or a tuner salesmen for used cars or is that the same thing possibly? haha See below.

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They can tell how many times a pcm has been flashed. So if your pcm has been flashed 2 more times than your dealer has recorded, they'll know you've probably tuned it and removed it.
This is what I was thinking. It may not leave a signature or trace that it was tuned, but it will show that it has been tampered with as in number or flashes or etc. like you said.

@OracleHCR , Couldn't say an auto shop that is not a dealer, but a chain auto shop flash the car with the high tech scanners they have these days? I know a friend of mines scan tool can do almost everything, but drive the car. haha I think he can flash the car. I will have to ask him later, but if they can flash the car this would make it harder for dealer to prove that it was tuned and not just flashed at another time during service away from the dealer. At least I would think. Right? (Not arguing with you like the OP, but rather asking to learn.

Just a disclaimer I have never messed with handheld tuners before, but always come close to buying one, but I am a warranty person and can't seem to break one. haha I don't know what my excuse is for not buying one yet for my 06GT.

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Quote:
Originally Posted by Lou95GTS View Post
Again, fact or fiction. Is there anyone with first hand knowledge here?
Yes I have first hand experience. When I traded in my 2011 I didn't say a word about having tuned it and returned it to stock. They called me a few days later after the deal was done and wanted to know what else I had done to it since they could see it had been tuned at one time.

Look at it this way, you can erase everything from a hard drive computer but someone could still go in and see everything.

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Don't know how the Ford ECU's keep their info, but when it came to my GTO it always kept the date and time of the last update. So basically if there was no record in the system you had been updated and your flash date was recent, they knew. But that was my '05, I'm sure things have changed since then.

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how do these custom tunes work with the setting in 2015 mustang. ex. sport, track. those setting are already aggressive. how would a custom tune affect these. say a bama tune...for example
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The Magnuson-Moss warranty act of 1975 states that a dealer must prove the aftermarket equipment caused the need for repairs before it can deny warranty coverage. However, if the reason for a parts failure is unclear, a dealer will usually charge you to diagnose the vehicle.

The Federal Trade Commission (FTC) validates rights to install after market parts. In a consumer alert issued by the FTC the agency confirmed that "The Magnuson Moss Warranty Act makes it illegal for companies to void warranty simply because you used aftermarket parts.

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Quote:
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The Magnuson-Moss warranty act of 1975 states that a dealer must prove the aftermarket equipment caused the need for repairs before it can deny warranty coverage. However, if the reason for a parts failure is unclear, a dealer will usually charge you to diagnose the vehicle.

The Federal Trade Commission (FTC) validates rights to install after market parts. In a consumer alert issued by the FTC the agency confirmed that "The Magnuson Moss Warranty Act makes it illegal for companies to void warranty simply because you used aftermarket parts.
But its also illegal to rob someone yet it still happens.

And what some people don't know is what the word prove means. Its not beyond any reasonable doubt but rather the preponderance of the evidence.

So if a car maker says a failure was due to stress from a tune, there is no way for either party to prove what a tune did, particularly if the ECU has been flashed multiple times. It really comes down to what the jury, judge, arbitrator, etc feels is most likely. It would be very hard to convince them the reason for the tune was to improve reliability and since its well known that tunes are to increase power and hence increase loads on parts, I think it would be difficult for a car owner to win such a case.

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