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Thread: RS6 ECU Removal

  1. #1
    Registered User TaTaPiRaTa's Avatar
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    RS6 ECU Removal

    Hi!

    I need to take out and send to MTM my ECU as it started to malfunction.
    Does anybody have pictures guide how to do it myslef or at least show me a pic where it is exactly?

    I would prefer not to go to my service shop with that as it is very far.

    thx

    Peace All

    Marcin
    RS6 Avant Daytona Grey - MTM stage 2 - 508HP/700Nm

  2. #2
    Registered User skiwi's Avatar
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    stright forward. ecu is on the lhs plenium. unscrew the top of the plastice case, and the ecu and a bunch of other stuff is underneath. there is a locking bracket holding the unit in. in some cases you might see a metal case containing the ecu (anti theft). if you have one of these, post again, because they are more difficult to remove...
    dave
    '03 rs6
    '04 allroad tdi

  3. #3
    Registered User vangelis's Avatar
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    Guys,, Could you please provide more info about this in details! I still dunno what all that means?? Where & How can I remove the ECU please? and where is the TCU also and how can I remove it also?? Thanks
    "Aerodynamics are for people who cannot build engines"...... Enzo Ferrari

  4. #4
    Registered User grizz's Avatar
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    1,Open the bonnet.
    2,Remove the rubber seal that's at the back of the engine bay.
    3,Remove the long piece of plastic trim that goes from wing to wing and covers the battery.
    4,In front of the driver there is a black box , the lid is held on with 8mm screws.
    5,Remove these & the lid will come off.
    6,There is a metal clamp that holds the ecu in place , remove this & the ecu will be loose .
    7, Now the hard part ....There is a anti tamper screw that has to be removed.
    8,Once removed the metal cover can be removed & ecu removed.

    The tcu is under the carpet on the drivers side under your feet in a plastic box .

    I hope this helps ...
    www.Unit 20.org
    martin@unit20.org
    Home of all things for the RS6 .....

  5. #5
    Registered User
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    For those in other countries.

    Bonnet=hood.

    Priceless!

    Quote Originally Posted by grizz View Post
    1,Open the bonnet.
    2,Remove the rubber seal that's at the back of the engine bay.
    3,Remove the long piece of plastic trim that goes from wing to wing and covers the battery.
    4,In front of the driver there is a black box , the lid is held on with 8mm screws.
    5,Remove these & the lid will come off.
    6,There is a metal clamp that holds the ecu in place , remove this & the ecu will be loose .
    7, Now the hard part ....There is a anti tamper screw that has to be removed.
    8,Once removed the metal cover can be removed & ecu removed.

    The tcu is under the carpet on the drivers side under your feet in a plastic box .

    I hope this helps ...

  6. #6
    Registered User snoopra's Avatar
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    TCU on right side (driver side for RHD, passenger side for LHD/US model). Do a search, someone posted pics of the TCU removal.
    2003 RS 6______________________________________________
    Mugello Blue/Silver Interior/Wood Trim/Warm Weather Package/
    LED Tail lights/RNS-E/DVD Video/OEM S5 19's/Custom Painted Calipers/Full CAT-Less, Nonresonated Milltek/APR DV's/
    H-Sport Sway Bars/5 Bar FPR/ABT Aluminum pedals/MTM TCU Chip

    -------Other Rides
    2007 Cadillac Escalade
    2007 Jeep Compass
    2006 Jeep Commander
    2006 Chevy Colorado Reg Cab
    -------

  7. #7
    Registered User Hy Octane's Avatar
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    How did you take it out the first time?

  8. #8
    Registered User vangelis's Avatar
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    Quote Originally Posted by grizz View Post
    1,Open the bonnet.
    2,Remove the rubber seal that's at the back of the engine bay.
    3,Remove the long piece of plastic trim that goes from wing to wing and covers the battery.
    4,In front of the driver there is a black box , the lid is held on with 8mm screws.
    5,Remove these & the lid will come off.
    6,There is a metal clamp that holds the ecu in place , remove this & the ecu will be loose .
    7, Now the hard part ....There is a anti tamper screw that has to be removed.
    8,Once removed the metal cover can be removed & ecu removed.

    The tcu is under the carpet on the drivers side under your feet in a plastic box .

    I hope this helps ...
    Thanks Grizz ,, you are the best in town
    "Aerodynamics are for people who cannot build engines"...... Enzo Ferrari

  9. #9
    Registered User vangelis's Avatar
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    I just found these links for the removing the ECU & TCU

    ECU removal http://www.awe-tuning.com/media/pdf/..._AWETUNING.pdf
    TCU removal http://www.awe-tuning.com/media/pdf/...CU_removal.pdf
    "Aerodynamics are for people who cannot build engines"...... Enzo Ferrari

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