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Scion FR-S / Toyota 86 GT86 General Forum The place to start for the Scion FR-S / Toyota 86 | GT86 |
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02-13-2016, 10:01 AM | #15 |
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Would constantly flashing and re-flashing eventually harm the car? Last car I had the service center did the flashing and re-flashing on and it was encouraged to "get the best out of your car" Also I never got grief about warranties. Come to think of it I never got grief about warranty in any of my cars when I put mods on them. I really don't even know if half of them noticed the mods hmph
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02-13-2016, 10:22 AM | #16 | |
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02-13-2016, 01:31 PM | #17 |
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Then I'll just defragment!
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02-13-2016, 01:39 PM | #18 |
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I am with the just leave it crowd as far as maintenance goes. If going in for related warranty work I would probably reflash but not sure how much it would help even then. The cars are smarter than you think and really suck at keeping a secret.
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02-13-2016, 01:48 PM | #19 | ||||
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Way too much misinformation and stupidity in the responses that could've been cleared up with a simple search, also why would you even get a tune without doing this research first?
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Guaranteed flash cycles 1000 , typical cycles before failure 10,000 Programming/erasing control program included as firmware of the ECU itself Although if you go an flash the car on a low battery your flipping the coin on whether or not you'll brick the ecu, and I've heard peoples OBD2 socket pins go bad after repeatedly unnecessarily yanking the cable. Also as a Electrical Engineer/Computer Engineering Major, 2 MB of Tables and other data probably isn't going to fragment especially the way it's stored on the ecu, on a solid state storage solution. Quote:
This is from @steve99 s post: Depends on flash device. Devices such as Open flash Tablet or Tactrix/Ecuflash do not encrypt or lock the tuned ROM. When you flash back a stock ROM with these devices it is 100% stock. This means the dealer can connect to car with TechStream (dealer software) and interact with the ECU in the normal manner. even if they pulled your ROM its 100% stock. Tuning Devices such as EcuTek and BRZEdit have the ability to lock and encrypt the ROM in the ECU and Dealers may not be able to connect/re-flash to interact with the car's ECU in some cases if these locked or encrypted (seed key changed) ROM's are left in the car. If you have the required cables and licenses you can flash a "stock" ROM back to your car but it contains license info which if they were really looking they could detect. OBD code readers or clearing of OBD diagnostic/CEL codes should still work. The ROM encryption/locking generally only effects the ability to read or write/re-flash the tuned ROM. Dealers use Techstream software to connect to ECU it can read the ROM calibration ID and various engine parameters but no one has found a "flash Counter" yet. It possible if they sent your ECU away for analysis or they brought in some super guru in they could detect something but this is unlikely at a standard service. Quote:
It's up to you if you have UELs the Stage 2 tune might be the only way you'll pass. Just tell your service advisor to speak to you before doing any ecu or invasive work if it's necessary like a TSB, and say you'll come in an other time to do it. But honestly Openflash Tablet is so user friendly and only takes like 5-6 minutes to flash back to stock so why wouldn't you.
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Last edited by FRSBRZGT86FAN; 02-13-2016 at 01:58 PM. |
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02-13-2016, 04:11 PM | #20 |
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Last time i heard from @nelsmar he has done about 1500 flashes, i know several people who have done 300 or more.
OFT will still talk to your ecu if dealer reflashes a new rom to your car. But if you havenot flashed to stock before service then you wont be able to marry up to this new rom. However you will still be able to flash your tined rom over the new dealer flashed rom. OFT looks at two things your original stock rom calid that its married to and will only flash rom with same calid as your stock one and the VIN number of your car. The only time you will run into trouble is if the dealer replaces ecu say due to cam issues and the technician at the dealer either dont type the vin into the ecu correctly or they forget to enter the vin. Then oft will refuse to write as vin has changed Their are no TSB to flash ecu after about late 2013 and any usa car with B01C\D calibration will not need a reflash by dealer at the present time. Last edited by steve99; 02-13-2016 at 05:44 PM. |
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