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Author Topic: Flash 8N0906018S bin onto a 8N0906018C but won't start  (Read 3679 times)
TewSlo
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« on: May 31, 2019, 03:28:44 PM »

Greetings,

Correct me if I'm stupid. Got a notification on my phone for a 8N0906018C (512kb flash) for $25 on eBay. Of course I bought it. My car is a 8N0906018S (512kb flash). So, I plugged this bad larry into my car and flashed a bin I ripped off of my current working ECU. Flash is successful but the car simply will not start (turns over will not fire). It's a 2000 Quattro 180 so it utilizes IMMO I. The ECU currently in the car was also purchased from eBay (a 8N0906018S) and was literally plug and play without issue or VCDS needed for it to start. The ECU boards look the same, so what is it that would keep me from utilizing this as a backup ECU?

Thanks in advance!
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Blazius
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« Reply #1 on: June 01, 2019, 04:28:44 AM »

imm off both. Its possible 018 C is immo 2.
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aleks19411
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« Reply #2 on: June 05, 2019, 12:09:10 PM »

Greetings,

Correct me if I'm stupid. Got a notification on my phone for a 8N0906018C (512kb flash) for $25 on eBay. Of course I bought it. My car is a 8N0906018S (512kb flash). So, I plugged this bad larry into my car and flashed a bin I ripped off of my current working ECU. Flash is successful but the car simply will not start (turns over will not fire). It's a 2000 Quattro 180 so it utilizes IMMO I. The ECU currently in the car was also purchased from eBay (a 8N0906018S) and was literally plug and play without issue or VCDS needed for it to start. The ECU boards look the same, so what is it that would keep me from utilizing this as a backup ECU?

Thanks in advance!
checksums counted?
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TewSlo
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« Reply #3 on: June 06, 2019, 11:19:31 AM »

Of course! (Edit: Well, now that I think about it the ME7Check program is probably correcting checksums for the 018S. Would the 018C have different checksums? If so, how would I fix this?)
« Last Edit: June 06, 2019, 11:49:07 AM by brad2192 » Logged
aleks19411
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« Reply #4 on: June 06, 2019, 12:20:28 PM »

Of course! (Edit: Well, now that I think about it the ME7Check program is probably correcting checksums for the 018S. Would the 018C have different checksums? If so, how would I fix this?)

read the error code in the engine ecu and the dashboard to make sure that the code is missing. What was the program flashing?
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TewSlo
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« Reply #5 on: June 06, 2019, 06:03:24 PM »

Using Nefmoto and verified checksums, my 018S ECU works fine with this method. There is not codes populating other than ECU voltage which i typically clear, happens every time I swap ECU
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nyet
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« Reply #6 on: June 06, 2019, 06:10:50 PM »

the ME7Check program is probably correcting checksums for the 018S

ME7Check does not correct checksums.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
Blazius
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« Reply #7 on: June 06, 2019, 06:24:24 PM »

me7sum corrects checks, its next to me7check.
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