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Thread: Remove ECU Gti

  1. #1
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    Remove ECU Gti

    Hey all,

    I'm thinking about getting a tune done next week and the guy that is doing said he would reduce the cost if I can get the ECU out. Does anyone know if this is tricky or if it's simple or even if there are any DIY guide online to doing it?

    Also I'm gathering that once the ECU is out I can't drive the car correct, So lets say I take it to a mechanics and they do it I wont be able to drive the car back to the tuners?

    thanks
    GOLF GTI MY11 ADIDAS Candy White, Sunroof
    GOLF GTI 40th ED, White with Sunroof

  2. #2
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    Yep correct, you can't drive it without the ECU. Also there could be problems with the immobilzer and other systems that require a constant signal from this unit.

    But other than that to take it out I would disconnect the battery first. Then look for a silver box with fins on it on the top of the firewall begind the air filter box the DSG. It has 2 big bunches of cables coming out of it (You will probably have to remove the air filter as well to get full access to it).

    Once you get access to it, there is a plastic clip on the bottom which you push down and then pull the silver box towards you. Then you can disconnect the cables.

  3. #3
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    Quote Originally Posted by Bassik View Post
    Hey all,

    I'm thinking about getting a tune done next week and the guy that is doing said he would reduce the cost if I can get the ECU out. Does anyone know if this is tricky or if it's simple or even if there are any DIY guide online to doing it?

    Also I'm gathering that once the ECU is out I can't drive the car correct, So lets say I take it to a mechanics and they do it I wont be able to drive the car back to the tuners?

    thanks
    Getting the ecu out if the car is pretty straight forward. Pull from the holder and take the two cables out. However opening the ecu is tricky and can be damaged easily if done without care.
    That part I would leave to a professional.
    Black Polo GTI MY13 | Sunroof | Leather|Bi Xenons | Octane Tint

    Mods- APR Stage 2 ECU Tune | HP DSG Tune| Wagner Tuning IC| HP CAI | Milltek Turbo Back Exhaust| Weitec coilovers | Whiteline rear sway bar
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  4. #4
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    That would be quite something if you could drive home with the ECU on the seat next to you!

    Seriously, have you looked under the bonnet. The ECU is on the firewall and easy to get to.

    How much cheaper was it going to be?


    The Volkswagen Club of South Africa - View topic - Official 6R Polo GTI thread


    Gavin

  5. #5
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    If its like the 9N3 you will need to get at the anti-tamper bolts (with an angle grinder) and its not going to look stock if someone looks.
    No idea if they've continued implementing this frustrating design.

  6. #6
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    Quote Originally Posted by noone View Post
    If its like the 9N3 you will need to get at the anti-tamper bolts (with an angle grinder) and its not going to look stock if someone looks.
    No idea if they've continued implementing this frustrating design.
    It would fall out on a my13 if you gave it a Paddington Bear hard stare.

    Gavin

  7. #7
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    Yeah I knew that would be a stupid question I just wanted to check.

    All I need to do is get the ECU out, I don't have to open it or anything basically if I get it out it will save me $150. So I would like to try at least.

    Jake also I sent you an SMS recently
    GOLF GTI MY11 ADIDAS Candy White, Sunroof
    GOLF GTI 40th ED, White with Sunroof

  8. #8
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    Remove ECU Gti

    I took the ECU out of my brothers 2012 Skoda TDI about a year ago to send it off to John @ DNA for a stage 1 tune. Had no issues getting the ECU out (took 5 mins) and had no issues with any warnings / errors etc when re-fitting it a few days later.
    2017 Ford Fiesta ST the go kart

    2015 Audi SQ5 bi-turbo V6 TDI family hauler

  9. #9
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    Quote Originally Posted by Lucas_R View Post
    I took the ECU out of my brothers 2012 Skoda TDI about a year ago to send it off to John @ DNA for a stage 1 tune. Had no issues getting the ECU out (took 5 mins) and had no issues with any warnings / errors etc when re-fitting it a few days later.
    Is the engine bay identical though?
    GOLF GTI MY11 ADIDAS Candy White, Sunroof
    GOLF GTI 40th ED, White with Sunroof

  10. #10
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    Quote Originally Posted by Bassik View Post
    Yeah I knew that would be a stupid question I just wanted to check.

    All I need to do is get the ECU out, I don't have to open it or anything basically if I get it out it will save me $150. So I would like to try at least.

    Jake also I sent you an SMS recently
    Fairly easy to get our. as explained above, you can un-clip it from the firewall. Once out though, to unplug the cables, you going to need to remove the tamper free bolts.

    The revo guys here in SA used a Dremel to get it out. You basically make a straight cut across the top of the bolt, and then use a screwdriver to unscrew it as per normal. Just make sure you don;t cut too deep, i would hate to mess that part up.

    Once you get it back, just get your hands on some replacement Brek-off bolts, and you a-for-away.

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