NefMoto > General > General Discussion > Does the ECU store VIN# info?
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Author Topic: Does the ECU store VIN# info?  (Read 10383 times)
AudiA4_20T
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« on: August 08, 2011, 06:51:17 AM »
So this is something that I don't know has ever been addressed on here, and I wanted to see what the consensus was. Does the ECU store VIN# info?

I'm curious because I thought it did, but then why could people pass inspection with different ECUs? Can anyone shed light on this?

TIA
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infinkc
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« Reply #1 on: August 09, 2011, 03:06:18 PM »
Quote from: AudiA4_20T on August 08, 2011, 06:51:17 AM
So this is something that I don't know has ever been addressed on here, and I wanted to see what the consensus was. Does the ECU store VIN# info?

I'm curious because I thought it did, but then why could people pass inspection with different ECUs? Can anyone shed light on this?

TIA
i know on ones with the imm3 it is stored in the eeprom that holds the immo info.
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f up your ecu, i can help http://nefariousmotorsports.com/forum/index.php/topic,892.0title,.html
AudiA4_20T
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« Reply #2 on: August 09, 2011, 05:28:59 PM »
Quote from: infinkc on August 09, 2011, 03:06:18 PM
Quote from: AudiA4_20T on August 08, 2011, 06:51:17 AM
So this is something that I don't know has ever been addressed on here, and I wanted to see what the consensus was. Does the ECU store VIN# info?

I'm curious because I thought it did, but then why could people pass inspection with different ECUs? Can anyone shed light on this?

TIA
i know on ones with the imm3 it is stored in the eeprom that holds the immo info.

So a 2000 B5 S4 would NOT have it stored?
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pvl
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« Reply #3 on: August 10, 2011, 02:41:05 PM »
All ME7 ecu's do, with immo 3
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AudiA4_20T
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« Reply #4 on: August 15, 2011, 10:51:54 AM »
Quote from: pvl on August 10, 2011, 02:41:05 PM
All ME7 ecu's do, with immo 3

Right so once again, NA B5 S4s do not have Immob correct? So it would not be stored?
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infinkc
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« Reply #5 on: August 16, 2011, 06:46:36 AM »
Quote from: AudiA4_20T on August 15, 2011, 10:51:54 AM
Quote from: pvl on August 10, 2011, 02:41:05 PM
All ME7 ecu's do, with immo 3

Right so once again, NA B5 S4s do not have Immob correct? So it would not be stored?

Correct b5 s4 do not have any vin info stored in them at all.
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f up your ecu, i can help http://nefariousmotorsports.com/forum/index.php/topic,892.0title,.html
Tony@NefMoto
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2001.5 Audi S4 Stage 3
« Reply #6 on: September 06, 2011, 12:11:43 PM »
North American B5 S4s have zeros in the serial eeprom chip where the VIN number would be stored. Also, when the VIN is stored in the ECU, it is not stored in the flash memory, just in the serial eeprom.
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