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Author Topic: Installing a tuned ECM  (Read 1684 times)
Rickybaker
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« on: November 04, 2023, 10:33:31 AM »

Hey folks! First and foremost thanks for any help received.

Here is the situation:

I bought a tuned ECM and 550cc Injectors for my 2003 Audi B6 A4 Avant 1.8T The guy I bought it from has gone MIA essentially. I need help installing this used ECM into my car. I have vageeprom and was able to read the cluster eeprom but I'm not sure if the lines 32 & 33 are the same for every car to get your SKC code like it states in this tutorial https://sites.google.com/site/imnuts/ I have been doing research for a couple days now and haven't found a way to pull the ECM code from my current ECM. Ross-tech states that you need the old code as well. Once I get both codes then I should be solid. I'm also willing to purchase services rendered.  Grin

 I also installed a new injector harness that has different connectors that work with the bigger injectors I installed. I can't go back to my old injectors without buying another injector harness because the connectors are different. So... I'm stuck and would appreciate any help.

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zCruuz
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« Reply #1 on: November 05, 2023, 01:32:41 AM »

For cluster SKC verification "vag eeprom programmer" might help. just load your bin in there, it should find the skc

Regarding your ECU SKC
What you need can be found on nef in a thread, i dont remember the name. It's a "getting started" me7 immo off thread, summarizing everything. Mentioned a few days earlier, still haven't done the search.
But there is mentioned how to turn Immo on ME7 off, in the same procedure you also can retrieve the skc code.
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_nameless
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« Reply #2 on: November 05, 2023, 05:02:52 AM »

You need to be careful using that software on a rb4 crypto cluster. If you even read it out in the wrong format you can brick the cluster. My advice would be not to use vageeprom programmer.
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Giving your mom a tuneup
grayjay
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« Reply #3 on: November 05, 2023, 10:51:46 AM »

Rather than messing with the cluster and glitchy chinese software for SKC retrieval, you can get SKC from your old ECU and then update it to the tuned ECU.

ME7 EEPROM tools command line program can be used to read/change/write the EEPROM .bin file which stores the ECUs SKC and immobilizer.
http://nefariousmotorsports.com/forum/index.php/topic,1168.0title,.html
I also have a 2003 B6, I think the v1.31 eeprom tools worked better for me than the newer v1.40 though I dont remember exact issue.

you can sometimes read the EEPROM .bin over the OBD port but write changes must be done with the ECU in boot mode (out of the car, hooked up to bench harness). Either way, you will need boot mode to reprogram any changes back to the tuned ECU so need to get that setup. 
See links to boot mode instructions from http://www.nefariousmotorsports.com/wiki/index.php/Main_Page

Once you have a EEPROM .bin read of your old ECU, you can display the SKC and transfer it to the tuned ECU so immobilizer will be paired to cluster. Alternatively, you could just turn off the immobilizer on tuned ECU, car will run but downside it that you will then not be able to pair new key to the immobilizer in the dash cluster which has its own immobilizer. Both ECU and cluster immob must be active to pair a new key.

The command line ME7 EEPROM tools program can also be run via the GUI visualME7logger program, a bit easier to use if you are not skilled at command line program use. In this GUI with the EEPROM .bin loaded, the ECU SKC will display directly in plain text and edits to the SKC, VIN#, immobilizer can be made in the GUI interface. After any changes, be sure to update checksum on your EEPROM .bin before re-flashing it back to ECU in boot mode!   
http://nefariousmotorsports.com/forum/index.php?topic=4830.0title=
https://github.com/sbloom82/VisualME7Logger/
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Rickybaker
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« Reply #4 on: November 06, 2023, 01:46:36 PM »

Thanks for all the replies! In the end I decided to just buy a new tune from _nameless.
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_nameless
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« Reply #5 on: November 06, 2023, 04:14:19 PM »

Thanks for all the replies! In the end I decided to just buy a new tune from _nameless.
Thank you sir. Also, waiting for logs Tongue
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Giving your mom a tuneup
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