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Author Topic: Crossflash Question: Polo GTI 9n3 1.8T  (Read 9552 times)
armaan
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« on: November 16, 2019, 09:07:13 AM »

Hi Guys, hope you all are well.

I flashed on a file I had made. To make this file I took files from these 2:
- Polo GTI 9n3 Cup Edition 180hp (BJX*)
- Polo GTI 9n3 Normal Modae 150hp (also BJX)

Both had same ECU number 06A906032TL.

I used BeyondCompare to copy the differences from 180hp file to my 150 hp file. Believing myself a genius (facepalm).

I checksummed it then,
I flashed it on and now...I got a bricked ecu.

If you guys could help me understand:
1. Where I went wrong?

2. Should I have flashed on the 180hp file directly?

3. With all the similarities between the 2 cars, how are there still crossflash compatibility issues?

*The Cup Editions from Japan have the BJX engine, not the BBU.

Hopefully can sticky it, I feel like as 9n3s get cheaper and more common, someones bound to try something as stupid as I have done.

Thanks a lot for your help guys, looking forward to hearing from you.

Regards.

EDIT:
\Long Story Short: As long as both were 06A906032TL the 180HP file would have worked on mine directly.
In this case I bricked my ECU because I didnt realise that the cup edition I had taken the file from, was a GIAC file with a noread function on it.

\If one is going to copy data between files, atleast know what they stand for.

Thanks @BlackT @Marty @Sonique @fukenbroken for your help.
« Last Edit: November 29, 2019, 05:47:31 AM by armaan » Logged

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BlackT
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« Reply #1 on: November 16, 2019, 09:19:41 AM »

You should flash 180 file direct, you cant yust change thing in hex if you don't know for ehat they stand for
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_nameless
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« Reply #2 on: November 16, 2019, 09:21:57 AM »

if the specs are the same (turbo, injectors and maf) should cross flash and run the car without issue. you may have immo issues and variant coding issues (esp asr) but odds are if they are both from 2002 or later it will work fine
 
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armaan
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« Reply #3 on: November 16, 2019, 01:18:47 PM »

Thanks a lot for your replies gents.

Here are the 2 files.

So I'll take your word for it the 180hp file will work if I directly flash it onto my ecu.

The 2 files are for comparison if someone wants to see.]

Thanks
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DonkeyDub
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« Reply #4 on: November 16, 2019, 02:33:43 PM »

1. Do you have the vehicles Original bin?
2.Where is the bin that you flashed which caused it to brick?
3. What was your flash process? In vehicle, on bench?

Quote
I used BeyondCompare to copy the differences from 180hp file to my 150 hp file. Believing myself a genius (facepalm).
How did you copy the differences to your 150hp file?
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armaan
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« Reply #5 on: November 17, 2019, 01:45:02 AM »

Attached are the 2 Original bins.
I deleted the bin I had made, but I have attached an IOL

I used the Ctrl +R (Copy to Right) feature.

The flashing process went smoothly. Voltages constant and I have flashed files on before too.

Thanks for any insight you can provide me
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DonkeyDub
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« Reply #6 on: November 17, 2019, 01:45:57 PM »

Quote
I used the Ctrl +R (Copy to Right) feature.
I have no experience with this method but I have many doubts about it.

Quote
I have flashed files on before too
Modified by the same above method?


Quote
Attached are the 2 Original bins.
I deleted the bin I had made, but I have attached an IOL

The bin. Polo GTI 9n3 Cup Edition 180hp (BJX*) has errors.

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armaan
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« Reply #7 on: November 17, 2019, 02:20:04 PM »

The other files I had done for many cars where different.
Some decat, some EGR deletes and so forth.

Yeah I did use ME7Sum on that before I flashed it on, to ensure that checksum wasnt the problem.
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sonique
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« Reply #8 on: November 17, 2019, 03:01:17 PM »

user error
you are try GIAC tuned file flash
this not 180hp cup edition file Cheesy Cheesy
just simple tuned file
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armaan
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« Reply #9 on: November 22, 2019, 10:38:21 AM »

@Sonique No man, this is an actual file from a bonestock CupEdition (Japan). We dont have GIAC or anything like that out here.

Upon further researching it seems the issue might have been Immo2 & Immo3 compatibility. Still not sure.

Someone on Facebook mentioned that it was stupid to just copy stuff over, without knowing what it is.
Some might be tables and some might be other info.

Any thoughts on this?

Would be great if the big guys would chip in.

Thanks so far.
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armaan
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« Reply #10 on: November 22, 2019, 10:40:22 AM »

@Marty, @BlackT.

I think you guys are right.
Will benchflash tomorrow and Update
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sonique
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« Reply #11 on: November 22, 2019, 11:03:44 AM »

@Sonique No man, this is an actual file from a bonestock CupEdition (Japan). We dont have GIAC or anything like that out here.

Upon further researching it seems the issue might have been Immo2 & Immo3 compatibility. Still not sure.

Someone on Facebook mentioned that it was stupid to just copy stuff over, without knowing what it is.
Some might be tables and some might be other info.

Any thoughts on this?

Would be great if the big guys would chip in.

Thanks so far.

Cheesy

your file
attached pictures not any cup edition Cheesy 
simple tuned file with custom patch
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armaan
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« Reply #12 on: November 26, 2019, 05:01:21 AM »

It was probably modified in Japan lol. But it is from a cup edition
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armaan
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« Reply #13 on: November 26, 2019, 05:02:30 AM »

What is that noread thing for? You reckon thats what bricked my ecu?
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armaan
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« Reply #14 on: November 26, 2019, 05:11:47 AM »

Cheesy

your file
attached pictures not any cup edition Cheesy 
simple tuned file with custom patch

It IS from a Cup Edition but thats the problem, in our country we buy cars from Japan, and they have no history record from there. I think you are right this might he the issue. Because I have done AUM and AUQ crossflash and they have always worked.
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It is indeed a difference of perception that brings about our and others reality.
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