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Thread: Are ECU's Interchangeable?

  1. #19
    Registered User topcat_92's Avatar
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    Hey guys,

    Is the search function of the site not working? I tried standard and advanced search for ECU or TCU, and it comes up with no matches. I am trying to do a search just to confirming the location of the ECU and TCU. From what I remember, the ECU is under the hood, drivers side, with a metal cover, and the TCU is under the passenger side floor carpet. Right?

    Thanks, and Merry Christmas everyone.
    Topcat_92

  2. #20
    Registered User lswing's Avatar
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    Use Google with site:rs6.com such as below...the "site:" search feature is really handy, the built in ones for these forums tend to be weak.

    ecu location site:rs6.com

    http://www.rs6.com/showthread.php/12255-RS6-ECU-Removal
    Ace/Edge TC - Tozo Trans - MTM TCU - REVO/ME7 tune - Wagner IC's w/ Venair Hoses - Aux Radiator delete - Hotchkis Sways - Hawk HPS Pads - Koni Sport Struts - Scroll KO4 Turbos - Devil's Own WM - 421whp/452wtq on Mustang Dyno - http://www.audirssix.com

  3. #21
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    One option not mentioned is to have an immobilizer defeat done on the ECU. Once this is done, and it's a cheap add-on with a tune, the ECU will work on any other RS6.

    This way you won't have to go to a dealer and pay crazy money.
    2002 Audi S6 - O1E swap, Tial 770R 2.7T swap

  4. #22
    Registered User topcat_92's Avatar
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    Update:
    ECU Tune: Bought the Eurocharge programmer with their tune. $599 plus shipping. In transit. Can't wait to fire it up. Didn't need to buy the used ECU after all. Anyone need one?
    TCU Tune: Contacted the MTM rep in Canada, Horchaus. They don't swap the chip anymore, but are glad to mail a chip for $175 (Canadian $), and the buyer has to swap the chip out or find someone that will do it. Question: guessing that this takes some skill, has anyone tried it? Anyone know of a shop in the Seattle area or elsewhere that can do this? Horchaus said they know a guy in CA. I contacted Achtuning near Seattle that does a ton of Audi/Porsche/VW upgrades, and they don't do it and can't think of anyone to refer.
    Topcat_92

  5. #23
    Registered User lswing's Avatar
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    See my post on the thread above for 10sec tune, page 7, my issues with toasting a $500 TCU...

    PM'd you for the ECU, might want an extra, thanks.
    Ace/Edge TC - Tozo Trans - MTM TCU - REVO/ME7 tune - Wagner IC's w/ Venair Hoses - Aux Radiator delete - Hotchkis Sways - Hawk HPS Pads - Koni Sport Struts - Scroll KO4 Turbos - Devil's Own WM - 421whp/452wtq on Mustang Dyno - http://www.audirssix.com

  6. #24
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    Quote Originally Posted by topcat_92 View Post
    Update:
    ECU Tune: Bought the Eurocharge programmer with their tune. $599 plus shipping. In transit. Can't wait to fire it up. Didn't need to buy the used ECU after all. Anyone need one?
    TCU Tune: Contacted the MTM rep in Canada, Horchaus. They don't swap the chip anymore, but are glad to mail a chip for $175 (Canadian $), and the buyer has to swap the chip out or find someone that will do it. Question: guessing that this takes some skill, has anyone tried it? Anyone know of a shop in the Seattle area or elsewhere that can do this? Horchaus said they know a guy in CA. I contacted Achtuning near Seattle that does a ton of Audi/Porsche/VW upgrades, and they don't do it and can't think of anyone to refer.
    Who is the guy they know in cali? That's probably our only option.
    BB GT28's w/ Tial Wastegates, Full 3" Open Exhaust, Wagners, Billet Triple Disk Converter, Built Trans, Exedy Friction Disks, ECU/TCU Tuned, 450/AEM400/1000cc/AFPR, E85, R8 Coils, Nubcake Tuned. Fastest RS6 in the USA :)

  7. #25
    Registered User topcat_92's Avatar
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    Quote Originally Posted by s8prtotype View Post
    Who is the guy they know in cali? That's probably our only option.
    http://www.2bennett.com/
    Topcat_92

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