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Author Topic: Reading SKC from ECU Flash (2004 VW Jetta 1.8T)  (Read 3425 times)
snowice0
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« on: September 15, 2018, 01:48:52 PM »

Firstly, welcome all! I am new here. I have been trying to do my due diligence in researching this issue before hand as to not make an overly annoying post.

I did come across some information but I am also still having my own difficulties.

To begin with, I have a 2004 VW Jetta 1.8T for which I am trying to program a new key. I need the SKC pin in order to use VCDS; however, I am having difficulties, like a lot of others I suppose, in finding this pin. Using some software, I believe I have a 1mb bin file from the ECU which should contain all relevant information. I have read that 0x32 and 0x33 should be the memory location but I believe that is referring something people call "95040" (cluster dump?).

Hopefully someone can provide a guiding light. Later I will run this bin file through some tuning software that will hopefully automatically define some maps for me making it easier to segment the file and pinpoint the SKC

Cheers
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macxxx
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« Reply #1 on: September 15, 2018, 02:37:00 PM »

Pin is not in the flash , it in the eeprom dump ( 95040 or similar chip )
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snowice0
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« Reply #2 on: September 15, 2018, 03:53:11 PM »

Pin is not in the flash , it in the eeprom dump ( 95040 or similar chip )

Thanks for the info - that sucks a bit but I am sure I can figure something out eventually. I think Vag Eeprom programmer has been mentioned a few times in here so ill try that
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dbreeze
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« Reply #3 on: September 15, 2018, 04:53:00 PM »

You can use the 95040 tool in the top stickied post to read the ECU's eeprom chip (called the 95040 chip). Then look in the address locations you mentioned (0x32 & 0x33 as well as the backup at 0x42 &0x43) for the SKC code in hex. I attached a helpful image I keep around that I'm sure is from somewhere else on here.
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