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Author Topic: SIMOS 18.1 Flash/Powerclass Question  (Read 11984 times)
Delilhia
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« on: April 16, 2020, 08:05:46 AM »

Hello,

I have 2016 VW GTI 2,0TFSI and installed turbo and other bits from 2016 VW Golf R 2,0TFSI. Both ECUs have same HW ID 06K 907 425 B which is SIMOS 18.1 but different SW. Can I flash GTI ECU with Golf R SW if I change powerclass to match cluster? Or will immo still block engine and brick ECU?

Thanks much.
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vdubnation
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« Reply #1 on: April 16, 2020, 08:48:26 PM »

What !!!! the engines are different compression , cams , and much more .
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littco
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« Reply #2 on: April 17, 2020, 04:21:28 AM »

What !!!! the engines are different compression , cams , and much more .

And? If you can get the ECU working then the least of your problems will be getting the ecu mapped to run!
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littco
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« Reply #3 on: April 17, 2020, 04:22:31 AM »

Hello,

I have 2016 VW GTI 2,0TFSI and installed turbo and other bits from 2016 VW Golf R 2,0TFSI. Both ECUs have same HW ID 06K 907 425 B which is SIMOS 18.1 but different SW. Can I flash GTI ECU with Golf R SW if I change powerclass to match cluster? Or will immo still block engine and brick ECU?

Thanks much.

Yes you will need to change the powerclass, but the main problem will be the Immo. unless you overcome this the car wont start.

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Delilhia
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« Reply #4 on: April 17, 2020, 05:39:11 AM »

What !!!! the engines are different compression , cams , and much more .
I swap turbo , inter cooler, engine. Tall project.  Wink
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Delilhia
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« Reply #5 on: April 17, 2020, 05:40:56 AM »

Yes you will need to change the powerclass, but the main problem will be the Immo. unless you overcome this the car wont start.


Thank you, why immo would be main problem? I haven’t touched immo. I use my orig ECU.
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littco
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« Reply #6 on: April 17, 2020, 08:52:24 AM »

Thank you, why immo would be main problem? I haven’t touched immo. I use my orig ECU.

Sorry I thought you wanted to use the GOlf r ecu on your car! Just stick with the original SW and tune the car accordingly, by far the easiest way to do things and you can get the car running nearly the same if you take the time. To cross flash the ecu is more involved than just flashing the ecu with another SW version, trust me!

Whilst there are differences in the engines they aren't or shouldn't hold you back too much
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Delilhia
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« Reply #7 on: April 17, 2020, 11:47:53 AM »

I was notified from tuner that we must use Golf R SW version because of variable cam phase control. No way to control with 1.8 SW.

What involvement to cross flash ECU? Both have identical HW ID numbers. Can it be flashed with R software if powerclass is changed to match powerclass in cluster?
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prj
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« Reply #8 on: April 17, 2020, 12:51:07 PM »

In first post you have a 2.0 engine, now you have a 1.8 engine suddenly.

Which one is it then?
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Delilhia
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« Reply #9 on: April 17, 2020, 07:25:09 PM »

Sorry, 1,8TFSI
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IamwhoIam
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« Reply #10 on: April 18, 2020, 02:06:48 AM »

So is that a Polo GTI 1.8 TFSI or wtf is going on here?
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Delilhia
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« Reply #11 on: April 18, 2020, 09:11:17 AM »

Yes Polo GTI 1,8TFSI orig HW 06K907425B. Can I flash R SW if powerclass is changed in ECU to match cluster? Don’t want to brick ECU like this guy Shocked https://www.ecuconnections.com/forum/viewtopic.php?t=64560
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IamwhoIam
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« Reply #12 on: April 18, 2020, 12:18:18 PM »

No you cannot, a Polo GTI is not an MQB car, it's a PQ and I doubt the rest of the car will talk to the ECU after you do so. So no, I would advise you against it, and take this from someone who has probably the most experience in crossflashing non ME7 VAG stuff on this forum (ahem, I know I'm modest).

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I have no logs because I have a boost gauge (makes things easier)
scalp06
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« Reply #13 on: April 18, 2020, 04:02:54 PM »

No you cannot, a Polo GTI is not an MQB car, it's a PQ and I doubt the rest of the car will talk to the ECU after you do so. So no, I would advise you against it, and take this from someone who has probably the most experience in crossflashing non ME7 VAG stuff on this forum (ahem, I know I'm modest).



You don’t kill so much ECU but be afraid for be kill by your modesty  Cheesy
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Delilhia
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« Reply #14 on: April 18, 2020, 04:06:58 PM »

Thank you I know we’re in for tall project. If powerclass is changed in 2,0 R SW to match PC in cluster will engine run or brick ECU like in above link ?
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