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I cannot guarantee warranty related information - it's been abit of a hot topic, and you'll find that the general consensus is that most dealers are ok with modifications and do not "automatically" void your warranty.
The truth is that most warranty claims are not tune related; just straight off the top of my head I can think of a few that frequently happen regardless if your ECU is stock or not:
* Faulty sensors (ie. MAF, MAP, IAT, coolant temp, camshaft, crank, etc.)
* Cracked breather hoses
* Leaking DV
* Faulty variable intake manifold runner motor/flap
* Faulty coilpack
+ the list goes on.
I have had customers before who have had one of the above problems go wrong before during warranty and still have had things rectified without warranty voided. I am sure however, that if one of the following occurred:
* Damaged engine internals
* Blown turbocharger
* Failed catalytic converter
* Blown transmission
Then they may investigate further. If they found that your ECU was non-standard then I would think they would not honour this type of warranty claim. Again, it would be good to get some input from dealers on here themselves; it's odd because some support tuning and are happy to chat about it, but a few select others may not be.
At the end of the day, it is your responsibility whether or not you wish to get your ECU tuned; I personally do not offer warranty on your car if you get it DNA tuned, not because I think the tune could cause damage, but because most warranty claims are on items unrelated to the tune. In fact, if you read the fineprint of other tuners who claim to cover your warranty when something goes wrong, you'll find that they protect themselves one way or another. For instance, they (not naming companies here) will not replace your coilpack, turbo, or even DV because they are considered "wear" items.
As such, as a business owner who aims to be as transparent and honest as possible; it is much better for me to not make the offer of taking over the warranty; if that means the customer chooses another tuner then so be it - I'd rather not offer any deceptive claims of such services.
The truth is that most warranty claims are not tune related; just straight off the top of my head I can think of a few that frequently happen regardless if your ECU is stock or not:
* Faulty sensors (ie. MAF, MAP, IAT, coolant temp, camshaft, crank, etc.)
* Cracked breather hoses
* Leaking DV
* Faulty variable intake manifold runner motor/flap
* Faulty coilpack
+ the list goes on.
I have had customers before who have had one of the above problems go wrong before during warranty and still have had things rectified without warranty voided. I am sure however, that if one of the following occurred:
* Damaged engine internals
* Blown turbocharger
* Failed catalytic converter
* Blown transmission
Then they may investigate further. If they found that your ECU was non-standard then I would think they would not honour this type of warranty claim. Again, it would be good to get some input from dealers on here themselves; it's odd because some support tuning and are happy to chat about it, but a few select others may not be.
At the end of the day, it is your responsibility whether or not you wish to get your ECU tuned; I personally do not offer warranty on your car if you get it DNA tuned, not because I think the tune could cause damage, but because most warranty claims are on items unrelated to the tune. In fact, if you read the fineprint of other tuners who claim to cover your warranty when something goes wrong, you'll find that they protect themselves one way or another. For instance, they (not naming companies here) will not replace your coilpack, turbo, or even DV because they are considered "wear" items.
As such, as a business owner who aims to be as transparent and honest as possible; it is much better for me to not make the offer of taking over the warranty; if that means the customer chooses another tuner then so be it - I'd rather not offer any deceptive claims of such services.
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