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Discussion Starter #1 (Edited)
Okay, a friend of mine is a factory trained Evo X Master Technician, and here is the gospel regarding cobb AP's, tunes and warranty.

PLEASE NOTE: the info in this thread is only as it relates specifically to Evo X warranty, the access dealers have to ECU information, and how the warranty program works. Programmers may be able to access more on their own, let us thank god they don't work for Mitsubishi.

1. Does a "flash counter" exist in the stock ECU?
No.

2. If I have a Cobb AP with a tune, and uninstall it then bring my car to service, will they know that my car has previously been tuned?
No. The ECU does not story any information regarding tunes, as it was never designed to do so.

3. If my car has a tune on it, will they know, and how?
Yes, but nothing specific. It makes the MUT scanner wig out and give crazy readings, and the technician will know it has some sort of tune, but that's all.

4. Does the factory log cars known to be tuned by VIN numbers?
No. Mitsubishi has no way to know unless a tech calls them and tells them. There is no database connected to the MUT terminals. Also, they don't care enough to worry about it.

5. Does having a tune void my warranty?
Not necessarily. If you have a tune and your tranny blows our t-case blows, they will still warranty it since there's no connection. If you have a big ass turbo and you clutch is burned up, too bad. Throw a rod and we see a big turbo? Sorry, no coverage. You can have a million mods on your car, but if it is not related to the failure, we will cover it. There's no way that having a turbo back exhaust would make your AC quit or axles go bad-so we would cover it.

6. Who makes the final call?
Each area has a specific, single person who has sole control over the authorization. If the tech says it should be warrantied, 9 out of 10 times they go with it. The techs and service department get paid to do warranty work-it is in their interest to warranty as much as they can.

7. Is there some sort of log in the ECU that can tell how fast I was going, or what was done to the car, anything like that?
No. The only log is the DTC numbers (CEL light codes). If you "scatter" or crash the ECU (limp mode), it might show what RPM you were at, but that's all, and even that is a pain in the ass to get to and doesn't matter anyways. I only know this cuz I got bored at work one day and tried to see how deep I could get into an ECU.

8. So to clarify, Mits has no log of tuned ECU's, there is NO flash counter, and a flash doesn't void your warranty unless you're trying to warranty the ECU itself, correct?
Correct.




....and there you have it :D
 

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Discussion Starter #5 (Edited)
Well done this should be a sticky thread
sure. I was reading all these threads, and it dawned on me "i know an X master tech, shit I'll just call him and ask him"

He doesn't own an X or anything, family guy, builds hot rods in his spare time. It's nice cuz he has no opinion on anything, he just busts out the facts as the internal Mits rules state them.

And I bring my car there with my Cobb tune on it, all my mods, everything, and they still warrantied my t-case no issues.
 

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Okay, a friend of mine is a factory trained Evo X Master Technician, and here is the gospel regarding cobb AP's, tunes and warranty.

7. Is there some sort of log in the ECU that can tell how fast I was going, or what was done to the car, anything like that?
No. The only log is the DTC numbers (CEL light codes). If you "scatter" or crash the ECU (limp mode), it might show what RPM you were at, but that's all, and even that is a pain in the ass to get to and doesn't matter anyways. I only know this cuz I got bored at work one day and tried to see how deep I could get into an ECU.


....and there you have it :D
I agree with the post. However starting in 2014, a law was passed that all cars will be equipped with a "blackbox". The blackbox will have gps: acceleration(straight and lateral), velocity (min, max and averages), logging of previous trips, etc.

So give it a couple years and a technician could figure out where you/your kids go to school, what time you go to work, what time you came home, even what gas station you like to fill up at.

so sad our government has this much power.... :waiting:
 

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Discussion Starter #9
What area does this guy cover? :)
he's a technician, these rules are nationwide from Mitsubishi directly


I agree with the post. However starting in 2014, a law was passed that all cars will be equipped with a "blackbox". The blackbox will have gps: acceleration(straight and lateral), velocity (min, max and averages), logging of previous trips, etc.

So give it a couple years and a technician could figure out where you/your kids go to school, what time you go to work, what time you came home, even what gas station you like to fill up at.

so sad our government has this much power.... :waiting:
yeah, but that doesn't mean that they are going to use that to null a warranty. There's a misconception that Mits doesn't want to do warranty work. They dealers actually really want to, cuz they get commissions off of it. Mits has a simple set of rules about what gets warrantied and what doesn't, and Mits corporate doesn't care enough about the few hundred Evos they sell to rewrite their warranty rules for an entire company.
 

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yeah, but that doesn't mean that they are going to use that to null a warranty. There's a misconception that Mits doesn't want to do warranty work. They dealers actually really want to, cuz they get commissions off of it. Mits has a simple set of rules about what gets warrantied and what doesn't, and Mits corporate doesn't care enough about the few hundred Evos they sell to rewrite their warranty rules for an entire company.
preachin' to the choir. I totally agree. I'm just saying that it will be very easy for a tech/law enforcement to use the ruse of determining if you were breaking laws while operating the vehicle and then turn it into a way to unravel your personal life.
 

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Discussion Starter #12
Black box removal mod! Ill post the how-to when it happens!
they can track you by cell phone anytime they want anyways. I used to work for Verizon. You location is logged every 3 seconds, 24 hours a day. Gov't can access it whenever they want.
 

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Black box removal mod! Ill post the how-to when it happens!
The law details (which are still be argued over with the appeals processes), actually states that the box can't be tampered with. Obviously the laws say ECU's can't either, however it was stated that if you're in a car accident and law enforcement can't pull the data from your vehicle, your insurance company can deny coverages.

I'm thinking I want to keep my Evo forever...and just get some econobox DD
 

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they can track you by cell phone anytime they want anyways. I used to work for Verizon. You location is logged every 3 seconds, 24 hours a day. Gov't can access it whenever they want.
Yeah I know (I have a Razr Maxx on VZW), this is nothing new. I don't even try to hide or mask the passive gps in my phone (or past phones). When I don't want to be found, I leave my phone at home :eek:
 

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I wish they would have covered my rear diff instead of pulling me around by the short and curlys.
 

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Discussion Starter #17 (Edited)

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I'll take the word of a Mitsu master tech with an actual MUT terminal and factory training over a guy who found some string of numbers with ECUTek on the internet.
Thats Tephra, the guy who, I don't know, disassembled and modifed the stock ECU roms and knows more about stock ECU than anyone outside of the few involved at Mitsu who actually wrote it. Just because your master tech doesn't know about it, or can't access it, doesn't mean that it doesn't exist. If they can't access it, thats good for all of us.
 

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Discussion Starter #20 (Edited)
Thats Tephra, the guy who, I don't know, disassembled and modifed the stock ECU roms and knows more about stock ECU than anyone outside of the few involved at Mitsu who actually wrote it. Just because your master tech doesn't know about it, or can't access it, doesn't mean that it doesn't exist. If they can't access it, thats good for all of us.
You're thinking of Cobb...and I know he knows a lot about ECU hacking but that doesn't matter to me, this is about warranty. I think most people don't understand that the basics of ECU stuff isn't that complicated. Tuning and coding, what that guy does, yeah. Hell, I watched a guy hack the first 02 VW GTi ECU with a palm pilot.

Like I said, I'll take the word of an Evo tech over even a programming genius who found a string of numbers that changes with ECU flash only. He didn't claim it was anything else or assert anything about warranty with that.

And actually, if you read the thread, he still says he's not sure if that's what it really is, what causes it, what it's supposed to be, etc.
 
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