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2011-2014 V6 Mustang Tech Forum

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Unread 04-20-2012   #1 (permalink)
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Default 2012 Mustang Cool Air Intake and Tune. Will it Void Warranty?

We just purchased a new 2012 V6 mustang a few days ago for my wife. My son has a 2008 V6 mustang that he installed a cold air intake and custom tune by Bama and it sure made a difference. My concern is will changing the 2012 mustang's programming with the tune void the manufactures warranty?

Thanks.
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Unread 04-20-2012   #2 (permalink)
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Short answer . . . .Yes. The tune will, the CAI shouldn't provided your dealership is ok with the CAI.
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Unread 04-20-2012   #3 (permalink)
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Quote:
Originally Posted by dem66 View Post
We just purchased a new 2012 V6 mustang a few days ago for my wife. My son has a 2008 V6 mustang that he installed a cold air intake and custom tune by Bama and it sure made a difference. My concern is will changing the 2012 mustang's programming with the tune void the manufactures warranty?

Thanks.
I can see your new to the forums, so hopefully you don't get flamed to much for being the one millionth person to post this thread, so please see the image attached.

Anyway, the short answer is yes, the longer answer is no. In short, flashing your ECU automatically voids warranty, but there are ways around it... so again, yes, but no Use the search feature represented in the image to find out more. There are hundreds of threads, and thousands of posts regarding this topic.
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2012 Mustang Cool Air Intake and Tune.  Will it Void Warranty?-forum-search.jpg  
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Unread 04-20-2012   #4 (permalink)
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Sorry about that I'm not real familiar with the forum setup. Hopefully I can catch a break from everyone. Thanks for the information.
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Unread 04-20-2012   #5 (permalink)
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Quote:
Originally Posted by dem66 View Post
We just purchased a new 2012 V6 mustang a few days ago for my wife. My son has a 2008 V6 mustang that he installed a cold air intake and custom tune by Bama and it sure made a difference. My concern is will changing the 2012 mustang's programming with the tune void the manufactures warranty?

Thanks.
The more important question is "If you modify your car, and have a failure that Ford thinks may have been caused by the modification (and refuses to pay for the repair), can you pay for the repair, go away happy and still enjoy the car?" Or, can you pay for a lawyer, go to court and still be happy - win or lose - with the car?
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Unread 04-20-2012   #6 (permalink)
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My thread about halfway down page 1 titled: Poll- tune, no tune, or compromise. This thread isn't exactly the same as your question, but close enough to read.
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Unread 04-20-2012   #7 (permalink)
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Quote:
Originally Posted by dem66 View Post
Sorry about that I'm not real familiar with the forum setup. Hopefully I can catch a break from everyone. Thanks for the information.
Heh, no problem! Anyone who takes the time to look can see that was your first thread, and first post, so I'm sure we will all let it slide But yeah, for future reference!

The CAI itself CAN void your warranty if the dealer is a real big ass, but generally if they can't prove that it lead to the malfunction than they may not void it... but dealers can do what they want and unless you intend to pursue them for voiding it, yada yada.

A tune however can automatically void it because it's easy for a dealer to pick up on when they run the ECU check system (forget what it's called), but you can tune back to stock and disconnect the battery to reset the ECU and hide the tune from their ECU program. This is why I say yes but no, kind of a grey area, lol.
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Unread 04-20-2012   #8 (permalink)
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Quote:
Originally Posted by JLomeStang View Post
Heh, no problem! Anyone who takes the time to look can see that was your first thread, and first post, so I'm sure we will all let it slide But yeah, for future reference!

The CAI itself CAN void your warranty if the dealer is a real big ass, but generally if they can't prove that it lead to the malfunction than they may not void it... but dealers can do what they want and unless you intend to pursue them for voiding it, yada yada.

A tune however can automatically void it because it's easy for a dealer to pick up on when they run the ECU check system (forget what it's called), but you can tune back to stock and disconnect the battery to reset the ECU and hide the tune from their ECU program. This is why I say yes but no, kind of a grey area, lol.
Has anyone confirmed that returning to stock, disconnecting the battery and driving for 50 miles really makes it so the dealer can't see the after market tune was done? I read that is has a counter loop for how many times it was flashed that doesn't get wiped when you disconnect the battery. Ford keeps track of the number of flashes and if they don't match they can tell the car was tuned at one point? I've read many of the threads and there still seems to be no definitive answer on the lflash counter being true.
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Unread 04-20-2012   #9 (permalink)
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Quote:
Originally Posted by sj90 View Post
Has anyone confirmed that returning to stock, disconnecting the battery and driving for 50 miles really makes it so the dealer can't see the after market tune was done? I read that is has a counter loop for how many times it was flashed that doesn't get wiped when you disconnect the battery. Ford keeps track of the number of flashes and if they don't match they can tell the car was tuned at one point? I've read many of the threads and there still seems to be no definitive answer on the lflash counter being true.

Ive never heard about the counter loop. But you did spark my interest haha ill let you know if i find something about it.
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Unread 04-20-2012   #10 (permalink)
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Quote:
Originally Posted by fireice22 View Post
Ive never heard about the counter loop. But you did spark my interest haha ill let you know if i find something about it.
I'll try to find where I read that.
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Unread 04-20-2012   #11 (permalink)
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Most people on here claim that it is safe anyway. And bama claims no failures for the 3.7. I installed my tune today.
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Unread 04-20-2012   #12 (permalink)
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Thanks everyone for the input. I was reading somewhere else where it would be a good idea to wait until the car has at least 10,000 miles before adding a tune. We only have 9,900 more miles to go.
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Unread 04-21-2012   #13 (permalink)
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In the 2011 year Mustang Ford decided to upgrade to the Copperhead PCM which unfortunately for us keeps record of every time the ECU is flashed. After doing my own research I decided to just go with a K&N drop-in filter for now.

The main reason is due to the possibility of my engine not being covered under warranty if I were to do a CAI and tune. That would be hella expensive and not worth it at all. Once the engine has had a while to run with no issues (for maybe 20k miles) I might add the CAI and tune.
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Unread 04-21-2012   #14 (permalink)
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I've spent some more time on this, and from what I've found if you revert to stock and pull the battery terminal, the dealer cannot tell if there has been a tune. But if there is a warranty claim the ford tech can come in and tell by looking at the computer.

This seems strange but I've read several post on different sites that all say the exact same thing.

My concern is actually not with the engine having issues with the tune, it's if my transmission goes and they say the tune caused extra stress on the transmission or some BS.
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Unread 04-21-2012   #15 (permalink)
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Quote:
Originally Posted by sj90 View Post
I've spent some more time on this, and from what I've found if you revert to stock and pull the battery terminal, the dealer cannot tell if there has been a tune. But if there is a warranty claim the ford tech can come in and tell by looking at the computer.

This seems strange but I've read several post on different sites that all say the exact same thing.

My concern is actually not with the engine having issues with the tune, it's if my transmission goes and they say the tune caused extra stress on the transmission or some BS.
I agree with you. The transmission is under more stress than the engine. Luckily we share transmissions with the 5.0. And people have heavily modified those cars without failures (that I know of). Just think, those guys are running superchargers, turbos, Boss intakes, tunes, etc. Massive horsepower and torque.
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