rotoutxi
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« on: March 05, 2024, 09:08:09 AM »
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Hello, is it possible to create the crypto file from OBD reading? I need to program it by unsoldering the eeprom to bring the cluster back to life...
allroad cluster 4d0920933K
4b0920933K
VIN: WAUZZZ4B62N135368
IMMO: AUZ7Z0B2085449
DATA IMMO: 457504AF6A8722
KM: 202.703
PIN: 01862
CODING: 04144
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« Last Edit: March 05, 2024, 09:10:32 AM by rotoutxi »
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aef
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« Reply #1 on: March 06, 2024, 12:17:01 AM »
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Is this a RB4 cluster? have you tried: https://www.drive2.ru/l/471768829593126099/4. If you have a .def checksum error (this is only for vw/skoda/seat) (copied from VampireLo )
To remove the .def (dashboard checksum error) shown on the display at the place of daily mileage, you need to:
4.1 Simply change the coding to the one that was on the old dashboard, or if the coding has already been changed/does not change, simply recode it with the same encoding (go to the coding, save the same encoding, exit and turn off the ignition).
4.2 Remove the 15th fuse of the dashboard, or turn off the battery for a couple of minutes.
4.3 Once the ignition is turned on, the .def error should go away.
The essence of recoding is that the checksums in the dashboard firmware are recalculated and they are updated themselves! |
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rotoutxi
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« Reply #2 on: March 06, 2024, 05:26:57 AM »
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Thanks for answering, I'll look at it later, but the picture is vd0, what I need is to encrypt the reading via obd, and write it to the 93c86 eeprom directly with a programmer, do you know of any tool that encrypts and decrypts? Greetings |
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rotoutxi
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« Reply #4 on: March 06, 2024, 08:42:35 AM »
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did you manage to repair it? Would I need the cable, or would just the software work for me? If you still have the software, could you pass it on to me? Thank you, (I edit, because I wrote the text in my native language) |
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« Last Edit: March 06, 2024, 08:47:42 AM by rotoutxi »
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rotoutxi
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« Reply #5 on: March 06, 2024, 06:54:06 PM »
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well, it seems that I have managed to bring it back to life, but the poor thing is dying, it changes data on its own (all kinds of information and readings from the eeprom through obd)
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aef
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« Reply #6 on: March 06, 2024, 11:59:23 PM »
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According to the dejavu link the software + dongle is 65€
I dont have anything left from back then.
Carprog can do it too i think.
How did you solve it?
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rotoutxi
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« Reply #7 on: March 07, 2024, 08:18:10 AM »
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Well, starting from a reading of the vag k commander cluster, and with the encrypt and decrypt tool... but still there is something wrong, because it does strange things,
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rotoutxi
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« Reply #8 on: March 07, 2024, 09:20:21 AM »
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Hello, is it possible to create the crypto file from OBD reading? I need to program it by unsoldering the eeprom to bring the cluster back to life...
allroad cluster 4d0920933K
4b0920933K
VIN: WAUZZZ4B62N135368
IMMO: AUZ7Z0B2085449
DATA IMMO: 457504AF6A8722
KM: 202.703
PIN: 01862
CODING: 04144
I am going to attach the script that I have entered to 93c86 with the programmer, to see if someone can tell me where the error is, because I think everything matches, but it keeps failing EDIT; I've been looking for info, and there must be 9 types of masks for crypto. I think I have compiled all 9, with a reading that I have saved with vag k commander and one of these 9 masks should be able to heal the cluster, although I have also read that if there were changes in the readings previously, some bytes would have to be modified, it's already working! |
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« Last Edit: March 08, 2024, 09:54:32 AM by rotoutxi »
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Fazi
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« Reply #9 on: April 22, 2024, 09:14:08 AM »
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I create file based on dump from your 1'st post and mask from FM93C86@SOIC8
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dal
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« Reply #10 on: April 27, 2024, 03:35:11 PM »
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I am going to attach the script that I have entered to 93c86 with the programmer, to see if someone can tell me where the error is, because I think everything matches, but it keeps failing
EDIT;
I've been looking for info, and there must be 9 types of masks for crypto. I think I have compiled all 9, with a reading that I have saved with vag k commander and one of these 9 masks should be able to heal the cluster, although I have also read that if there were changes in the readings previously, some bytes would have to be modified,
it's already working!
Hi. What is the RAR password? |
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