jastr
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« on: December 15, 2017, 02:18:25 PM »
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Does anyone know where the obd read protection is in the MED9.1 ecu for VAG's and how to remove it once i has been applied? A lot of tools can enable it but none of them can disable it. And most tools does other stuff than just enable the read protection so even though i tried to enable it and compare bin's after a lot has changed.
Any help?
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vwaudiguy
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« Reply #1 on: December 15, 2017, 02:34:12 PM »
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Good question.
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
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jastr
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« Reply #2 on: December 16, 2017, 12:14:21 AM »
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Yeah. Funny no tools has a reverse function. Should be easy to fix i guess?!
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vwaudiguy
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« Reply #3 on: December 16, 2017, 02:52:16 PM »
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Yeah. Funny no tools has a reverse function. Should be easy to fix i guess?!
Easy. |
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
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jastr
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« Reply #4 on: December 16, 2017, 02:52:55 PM »
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Easy.
Could you elaborate a bit? |
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gt-innovation
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« Reply #5 on: December 17, 2017, 05:22:51 AM »
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Does anyone know where the obd read protection is in the MED9.1 ecu for VAG's and how to remove it once i has been applied? A lot of tools can enable it but none of them can disable it. And most tools does other stuff than just enable the read protection so even though i tried to enable it and compare bin's after a lot has changed.
Any help?
Lazyness didn`t help anyone and the most simple thing to do here is to use an original file patch it with the tools you have and then compare it in your hex editor. Or you could just wait and ask around and wait to get the info fed to you... If you are unable to do that i can only assume you are trying to remove it on a file you did read through bdm. |
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jastr
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« Reply #6 on: December 17, 2017, 05:33:08 AM »
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Lazyness didn`t help anyone and the most simple thing to do here is to use an original file patch it with the tools you have and then compare it in your hex editor.
Or you could just wait and ask around and wait to get the info fed to you...
If you are unable to do that i can only assume you are trying to remove it on a file you did read through bdm.
What a great member you are helping others. This is exactly what was the intention of this forum! Lazyness makes people forget to read the post before they answer! As mentioned in the first post the tools around apply more patches than the read protection only so getting an idea of where the read protection is are not that simple otherwise i would have sorted it myself! And you are right! This is a dump read by bdm! It is an spare ecu purchased on eBay for a complete engine rebuild and as we tried to edit the program it refused to read the ecu over obd and running the flash through the eeprom 2.1.1 tool it detected read protection was enabled. But anyway thanks for the huge help! A pleasure have such a beneficial member in here! |
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gt-innovation
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« Reply #7 on: December 17, 2017, 12:42:53 PM »
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1. You never wrote what you are using for patching.... Guesses here do not work...
2.if you define the patched areas you will find easily what you are looking for at least with some tools that are floating around.
3."But anyway thanks for the huge help! A pleasure have such a beneficial member in here! "
Said the member with 39posts, 39questions and no contributions....
Why do i even bother.. My bad...In your posts this will not happen again.
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« Last Edit: December 17, 2017, 12:45:55 PM by gt-innovation »
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superglitch
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« Reply #8 on: December 17, 2017, 09:32:23 PM »
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1. Load flash into eeprom tool
2. Enable read protect
3. Export
4. Load both ori and read protected flashes
5. Discover that's a very simple change
6. Apologize for being lazy
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vwaudiguy
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« Reply #9 on: December 17, 2017, 11:20:17 PM »
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What a great member you are helping others. This is exactly what was the intention of this forum!
Lazyness makes people forget to read the post before they answer! As mentioned in the first post the tools around apply more patches than the read protection only so getting an idea of where the read protection is are not that simple otherwise i would have sorted it myself!
And you are right! This is a dump read by bdm! It is an spare ecu purchased on eBay for a complete engine rebuild and as we tried to edit the program it refused to read the ecu over obd and running the flash through the eeprom 2.1.1 tool it detected read protection was enabled.
But anyway thanks for the huge help! A pleasure have such a beneficial member in here!
I feel like this was taken as sarcasm, when that wasn't the intention. |
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
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jastr
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« Reply #10 on: December 18, 2017, 01:17:38 AM »
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1. Load flash into eeprom tool
2. Enable read protect
3. Export
4. Load both ori and read protected flashes
5. Discover that's a very simple change
6. Apologize for being lazy
Jesus you are really clever! 1. That is pretty easy 2. Done that 3. File exported 4. Loaded both an protected and unprotected dump before and after into the hex editor 5. PROBLEM!! even after changing the 2 areas that are not identical in the 4 files compared the eeprom 2.1.1 still says file already obd protected. So i guess even though i was not lazy it didn't work. 6. Apologize for being a arrogant. |
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jastr
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« Reply #11 on: December 18, 2017, 01:22:00 AM »
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1. You never wrote what you are using for patching.... Guesses here do not work...
2.if you define the patched areas you will find easily what you are looking for at least with some tools that are floating around.
3."But anyway thanks for the huge help! A pleasure have such a beneficial member in here! "
Said the member with 39posts, 39questions and no contributions....
Why do i even bother.. My bad...In your posts this will not happen again.
I actually already tried that. several times i have been spending hours trying to figure what the changes where. and even after comparing bdm's from the same ecu obd read on and obd read off and files patched with eeprom 2.1.1 i haven't been able to find the changes that made the file obd read protected. Questions is what make you smarter. so sorry mr i know i all and i don't wanna tell. |
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jastr
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« Reply #12 on: December 18, 2017, 01:52:45 AM »
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Here is what i tried. I have a similar dump different software version same part number. On of the boxes has OBD read disabled the other one does not. So i ran the dump from the ECU with OBD read disabled through Eeprom tool 2.1.1 and applied the Read prot patch. then i took the dump from the ECU with OBD read allowed and ran that through Eeprom 2.1.1 and enabled read prot. From these two dumps i found that there where different areas patched in the MCU. as seen in the pictures.   Then i tried to reverse the changes but the Eeprom 2.1.1 still detecs the obd read already patched. Reversed changes shown in the yellow area   |
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cherry
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« Reply #13 on: December 18, 2017, 03:49:17 AM »
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No files, no file numbers, nothing, only weird pictures. Write another ori file (expect unique crypt area) to that ecu and problem is gone...
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jastr
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« Reply #14 on: December 18, 2017, 04:52:12 AM »
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No files, no file numbers, nothing, only weird pictures. Write another ori file (expect unique crypt area) to that ecu and problem is gone...
Write another ori file?? Sgo? |
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