audi ME3.8 immo off. the middle child of ecu's

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duelingdanjo

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	audi ME3.8 immo off. the middle child of ecu's « on: October 13, 2023, 01:56:32 AM »

hello, Anyone know of any checksum calculating tools that will work? i have read the bin file but the tools I've seen don't say anything about ME3.8

https://drive.google.com/file/d/1RIxOiZRFDFKSQ7AuJEc_oCnnvqKiW_bE/view?usp=sharing


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IamwhoIam

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	Re: audi ME3.8 immo off. the middle child of ecu's « Reply #1 on: October 13, 2023, 01:59:51 AM »

ME3.8 doesn't exist.


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duelingdanjo

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	Re: audi ME3.8 immo off. the middle child of ecu's « Reply #2 on: October 13, 2023, 04:03:15 AM »

the ECU number is 4D0907551R its a 99 A6 2.8 30v. sorry the table i looked at online said ME3.8. something. any idea which it is?


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prj

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	Re: audi ME3.8 immo off. the middle child of ecu's « Reply #3 on: October 13, 2023, 08:16:29 AM »

Sounds like M3.8.2 with OTP chips.

"ME3.8" does not exist. E stands for electronic throttle, this is a cable throttle car, there are no variants of M3.8 that have a fully electronic throttle.
They just have the idler motor built into the throttle.


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elektronik13

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	Re: audi ME3.8 immo off. the middle child of ecu's « Reply #4 on: October 13, 2023, 03:19:13 PM »

Quote from: duelingdanjo on October 13, 2023, 04:03:15 AM

the ECU number is 4D0907551R its a 99 A6 2.8 30v. sorry the table i looked at online said ME3.8. something. any idea which it is?

why do you need crc counting, you damaged the eeprom
I can count the crc in eeprom for you


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duelingdanjo

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	Re: audi ME3.8 immo off. the middle child of ecu's « Reply #5 on: October 14, 2023, 05:24:36 AM »

how is it damaged does the current crc not check out? i can try give it another read


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duelingdanjo

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	Re: audi ME3.8 immo off. the middle child of ecu's « Reply #6 on: October 14, 2023, 06:08:11 AM »

Quote from: prj on October 13, 2023, 08:16:29 AM

Sounds like M3.8.2 with OTP chips.

ah bugger otp chips know of any other options? could i buy another eeprom or swap the ecu?


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prj

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	Re: audi ME3.8 immo off. the middle child of ecu's « Reply #7 on: October 14, 2023, 04:52:03 PM »

Immo off can be done in EEPROM, which is not OTP. So for that you don't need a new chip.


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duelingdanjo

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	Re: audi ME3.8 immo off. the middle child of ecu's « Reply #8 on: October 16, 2023, 08:17:18 AM »

think ive got it, if i get the checksum wrong will it still drive with the eeprom error code?


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