NefMoto > Technical > Cluster and Immobilizer (Moderator: ddillenger) > 8D0907557 immo off
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Author Topic: 8D0907557 immo off  (Read 20395 times)
Rain573
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« on: June 06, 2014, 03:22:12 PM »
Hello!
I have Audi ecu 8d0 907 557 (0 261 203 550) and i need immo off.


Can someone tell me what chip is the immobilizer? I have a EPROM programer , but I do not which chip i should get rid of solder?
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k0mpresd
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« Reply #1 on: June 06, 2014, 05:02:29 PM »
im betting that soic8 right above the eprom.
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Rain573
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« Reply #2 on: June 08, 2014, 03:35:03 AM »
Top of the pcp soic8 is markt B58085 but bottom of pcp have soic8 chip markt B58258. Which one is right? I think B58085 is not 24c02 chip. Huh
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ddillenger
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« Reply #3 on: June 08, 2014, 03:44:55 AM »
Quote from: Rain573 on June 08, 2014, 03:35:03 AM
Top of the pcp soic8 is markt B58085 but bottom of pcp have soic8 chip markt B58258. Which one is right? I think B58085 is not 24c02 chip. Huh

The B58258 is the E2P.
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Rain573
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« Reply #4 on: June 09, 2014, 03:41:26 AM »

I read the file. Can anyone help immo off?
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k0mpresd
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« Reply #5 on: June 09, 2014, 08:51:22 AM »
ran this through an immo soft real quick.
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Rain573
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« Reply #6 on: June 11, 2014, 11:09:43 AM »
Thank you! I'll try it! When working in'll let you know. Smiley
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StevenW
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« Reply #7 on: June 16, 2014, 02:23:39 PM »
How can i read the soic8 with a Galep programmer, and witch one is the right soic8. I World like to copy the immodata to a another ECU
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tjwasiak
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« Reply #8 on: June 16, 2014, 02:33:25 PM »
You need to read that one on the bottom side of the PCB. It would be easiest to desolder, read/write and resolder.
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Rain573
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« Reply #9 on: June 19, 2014, 12:11:47 AM »
Quote from: k0mpresd on June 09, 2014, 08:51:22 AM
ran this through an immo soft real quick.

Thank you! It works! Smiley
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Rain573
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« Reply #10 on: June 25, 2014, 02:09:42 PM »
Quote from: Rain573 on June 19, 2014, 12:11:47 AM
Thank you! It works! Smiley

Here is a big mistake. This file does not work at all. Can anybody help?

Rain
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f1torrents
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« Reply #11 on: June 26, 2014, 01:58:17 AM »
Try this.
I didnt change any of kompresd immo off just did the backup address as well.
I think that may be the issue.
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Rain573
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« Reply #12 on: June 29, 2014, 10:27:32 AM »
Quote from: f1torrents on June 26, 2014, 01:58:17 AM
Try this.
I didnt change any of kompresd immo off just did the backup address as well.
I think that may be the issue.



Thanks Smiley
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TijnCU
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flying brick
« Reply #13 on: September 09, 2014, 04:41:03 AM »
Hi,
I have the same ecu and I guess also the same immo file (have to read it still).
I took the liberty of loading the provided files into WinOLS, to compare them for my understanding. (in the attachment you will find a screenshot) Can somebody explain what parts of the code have been altered and what the effect is?
I recognize a duplicated code in the original file (right), and an altered duplicated code in the immo off file (left) BUT this one has a different section in the bottom of the altered duplicate code. Is that the part where the immobilizer is coded out, or does it serve another purpose?
If somebody can explain this to me I would be very thankfull for learning something  Grin
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Rain573
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« Reply #14 on: September 23, 2014, 11:19:29 PM »
I still have problem with immobilizer. Auto start 3-4 times properly. After that, starts and dies off 2-3 seconds later. Such a feeling would be that the immo is back. What could be causing this?
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