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03-01-2011, 12:57 PM | #1 |
Scooby Newbie
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Location: A CARDBOARD BOX IN VT
Vehicle:2002 WRX STI MIDNIGHT BLACK PEARL |
Can dealer tell if accessport was on car??
If I run a accessport map on my car can the dealer tell that if I put it back to stock before bringing it in?
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03-01-2011, 01:03 PM | #2 |
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yes and no. They can't tell its AP but they do see a flash date. If you have an issue, flash car to stock and bring it in and they see that it was flashed a few days ago it make them wonder. Some dealerships are easier going than others so depends on how they are I guess if they care.
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03-01-2011, 04:53 PM | #3 | |
NASIOC Vendor
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Location: Austin, TX
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Quote:
Travis COBB Tuning |
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03-01-2011, 07:03 PM | #4 |
Scooby Newbie
Member#: 252297
Join Date: Jul 2010
Chapter/Region:
NESIC
Location: A CARDBOARD BOX IN VT
Vehicle:2002 WRX STI MIDNIGHT BLACK PEARL |
Can dealer tell if accessport was used
So if I use the Accessport on my brand new Sti, and lets say the motor blows due to a bad ringland, The dealer won't hook up a scan tool and say " Your car has been re-flashed so this can't be covered under warranty" (Assuming that the accessport has been uninstalled prior to bringing it in?)
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03-01-2011, 07:14 PM | #5 | |
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Best regards- Lance |
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04-17-2019, 05:12 PM | #6 | |
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04-18-2019, 03:29 PM | #7 |
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No, that's ridiculous. That's a lot of data the ECU would need to store, not to mention the manual explicitly says "except in an emergency" multiple times, and there's no way a log can show what's an emergency and what's not.
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05-07-2019, 11:35 AM | #8 | |
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05-07-2019, 02:30 PM | #9 | |
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Quote:
One would have to be a complete fool to think it still applies today. Take 30 seconds and look in the warranty section. Subaru absolutely stores information related to key cycles, flash dates, and max RPM reached. Pay. To. Play. Cant get any simpler than that. |
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05-07-2019, 02:59 PM | #10 | |
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I have no idea. |
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03-01-2011, 01:21 PM | #11 | |
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Side note. Anyone living in NW Indiana stay away from the Portage dealership. Go to the one in Merrillville. |
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03-01-2011, 02:07 PM | #12 | |
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03-23-2011, 08:21 PM | #13 | |
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I had to fight myself at one point because the car was having problems with the rear axle's. I've heard of dealers blaming some problems on vibrations that an aftermarket exhaust produces... |
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03-26-2017, 07:25 AM | #14 |
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03-01-2011, 07:39 PM | #15 |
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I was told the ecu recorded the number of times it has been flashed.
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03-01-2011, 07:49 PM | #16 |
NASIOC Vendor
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There is no flash counter on the Subaru ECU. The dealer does not have the ability to use some form of scan tool to discover that your ECU has been reflashed once the AccessPORT has been uninstalled. I hope that this can help dispell any misunderstandings about how the ECU and AccessPORT work.
We understand that many users want to have fun, but would rather not have fun at the cost of a voided warranty due to some form of "black box" or flash counter. However, the Subaru ECU is not able to track such information. Once you uninstall your AccessPORT your ECU is 100%, OEM, Stock. You can install your AccessPORT with confidence! Travis COBB Tuning |
03-01-2011, 09:06 PM | #17 |
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Location: A CARDBOARD BOX IN VT
Vehicle:2002 WRX STI MIDNIGHT BLACK PEARL |
Accessport info
If the dealer can see the last time the ecu was reset, Say when an accessport was uninstalled, Would that be the same as if the battery was unhooked and the ecu reset by that means?
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03-01-2011, 09:23 PM | #18 |
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03-01-2011, 09:42 PM | #19 | |
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Travis,
if the car has been previously tuned opensource and now running accessport, can Subaru detect the change of the checksum if the "0x5AA5A55A" trick has been used for the DBW 32 bits checksum (located at 0x00FFB80 for my sh7058)? thanx Mart Quote:
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02-26-2020, 01:02 PM | #20 | |
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Thanks |
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03-01-2011, 10:39 PM | #21 |
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Vehicle:2014 WRX WRB |
Hmm...I've been reluctant to purchase an accessport for fear of voiding my warrant, but i might have to change my mind.
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03-02-2011, 01:45 AM | #22 |
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I flashed mine back to stock when i took mine in last and the dealership didn't mention anything about it
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03-02-2011, 07:56 AM | #23 |
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Cobb,
I know with the v1 that when you flashed back to stock it left a footprint of code still on the stock rom. Are you saying the this has been corrected with the v2? If the ecu is flashed back to stock with a v2 accessport, then the rom copied from the ecu that none of your code would be left anywhere on the stock rom? Not that a dealer would have the know how to do this. Just sayin.... |
03-02-2011, 02:12 PM | #24 |
NASIOC Vendor
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Join Date: Mar 2001
Location: Austin, TX
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Hi guys,
Just to clarify a few points. We have never heard of or seen a means for the dealer to detect a previously installed AccessPORT. That doesn't mean that such capability will not be added in the future or that it exists now on newer cars and the capability of the dealer to access it will be added later. There are many ways for a manufacturer to implement a flash counter that would make it difficult to find (or not immediately obvious). That said, the AccessPORT ver. 2 saves a copy of the existing ROM (i.e. ECU's image) before it flashes our custom ROM when you marry. When you uninstall the AccessPORT ver. 2, it puts the original back on. So, you are back where started and the AP does not leave any trace. The problem is that if a flash counter did exist (as is the case with some other manufacturers), it would be counting each reflash, whether that was by the dealer or by aftermarket flashing means (ex. AccessPORT, Ecutek, or Open Source). So, if the number of flashes didn't match the dealer's records, they could make an assumption that you were running an aftermarket tune. Again, we have never heard nor seen any evidence that a dealer has this capability for Subarus, but that is likely how it would work if they did. Bill |
03-09-2011, 08:14 PM | #25 |
Scooby Newbie
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Vehicle:2011 Impreza WRX Red |
Noob here. Just purchased a 2011 WRX and the first thing i did was come here and look for this exact question. After reading about how lean our cars run and how dangerous it is, or people believe it is, it almost leads one to want to use AccessPort or some other tuning method to normalize the AF ratio.
With that said, running modified software is grounds for SOA to void your warranty if something does happen. Catch 22. Bill, you said that you have not seen code in the ECU that would show log the number of flashes. Can you tell us what years, or ECUs, you are basing this on? I would believe that you guys have good knowledge of what goes on in our ECUs, so if something was there, you'd notice it. |
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