JMB RetrofitsEM Tuning
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  1. #1
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    short new member intro plus an ECU swap Q

    hey everyone,
    well this is my first post here, so a little about me:
    I have come over from 'zine (Audizine.com) and im from New Zealand, I drive a banged up (I know sad it attracts people in parking lots) volcanic mica 1997 A4 1.8TQM. I have owned it for about 3 years while I have been at university doing a phys/math degree. It is currently running a wett. tune, rear sway bar, OEM sport shocks, N710, and some other bits and pieces with some H&R race springs and a 4:1 washer mod in the closet for summer. Short term goals (ie this summer) are to get evo 7-10 brakes on and to go to a F4H frankenturbo running a PC16 tune. This brings me to my question:

    I have a 557T ecu, correct me if Im wrong but this has immo 1 with it, integrated into the cluster? I want to buy a 557P ecu off a guy on zine with the PC16 tune on it.
    Has anyone done this swap before?
    What will be involved with the difference of having an immo and and an ecu that will not control it?
    I have a "professional" (VCDS Professional Kit - USB Interface: Ross-Tech Store) vag com so I can do most things the mechanics can with theirs.
    Is there a way to turn it off or something with vag com?
    Cheers for any help guys

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  3. #2
    jcb
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    think a lot of chipped ECU have immo defeat or various other bits cut out when they are chipped. would check with the owner personally but I know it is something US tuners like Tapp etc can do so it is clearly possible

  4. #3
    evilscotsman's Avatar
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    with immo 1 you should be able to recode the dash insert immob to the new ecu using vagcom, rosstech have details somewhere on their site about which blocks to modify but its doable if the ecu you buy is compatible with the existing immo box. Otherwise you'll either have no start and will have to frig the ignition control round the immo, or it will just not operate if it fails in the off position, and it will start but have no immob protection.

    The ross-tech forum is a good place to ask as you have a proper set, Uwe Ross himself answers questions on there, he's quite active on the board and theres not much he dont know mate
    B4 TDI - old skool project / daily driver...if it ain't broke, it's probably an Audi...


  5. #4
    "Stick a V8 in it!"

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    Yank cars that early might not even have the immo enabled.

    If it does, it should be doable with vagcom. I swapped ECU's in my immo1 car with vagcom alone.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
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  6. #5
    jcb
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    what do the late 99 cars have?
    I havent even thought about this when I come to swap mine, hope it is disabled

  7. #6
    "Stick a V8 in it!"

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    analog clock or digital?

    If its analog clock on a facelift car it'll be IMMO2, but thats still pretty similar to IMMO1 afaik.

    Digital has IMMO3, which is a bit of a tricky b*st*rd.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  8. #7
    2000 a4 1.8tqs-yellow

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    I have digital clock and immo 3 i presume. I had to go to audi when i swapped ecu.

  9. #8
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    hey, thanks for all your help
    my car has immo 1 with the 557t ecu (its a 1997), the ecu i am buying is a yank 557P ecu out of a 1998 I think without an immo at all. does that mean that I can just plug the new ecu in and follow Immobilizer I ECU Swapping - Ross-Tech Wiki and it should work?

  10. #9
    jcb
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    yes I would have thought so.
    mine is IMMO2 with a an analogue clock, hoping teh ECU has no IMMO to make it easier

  11. #10
    "Stick a V8 in it!"

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    dynamite: if the ECU has no immo you wont have to do anything, just plug it in and go.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  12. #11
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    ok cheers for all your help guys, unfortunately the ecu I wanted to buy sold before I could get the money. Maybe I will just have to go to HTA3076 instead of the F4h
    thanks everyone

 

 

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