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Author Topic: ME7.5 4B0906018DH bricked ecu  (Read 275 times)
FerrariMies
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« on: March 20, 2025, 10:46:22 PM »

So i tried flashing stage 1 tune but mistakenly wrote wrong ecu tune. Ive tried using mpps v18 generic micro boot but everytime i ground the pin and release it the app freezes. I have tried it with two different pc but same thing happens. Can i write new flash if i desolder the flash? But i have no idea what i have to desolder. Thanks in advance
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JeanAwt
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« Reply #1 on: March 20, 2025, 10:59:15 PM »

The application is closing? How do you turn it on/off during the grounding procedure? It should work. Otherwise, you can use Galetto. No need to desolder anything. Are your voltages ok?
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A4 B5 avant 1.8T 2000 NO QUATTRO
FerrariMies
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« Reply #2 on: March 20, 2025, 11:03:08 PM »

The application is closing? How do you turn it on/off during the grounding procedure? It should work. Otherwise, you can use Galetto. No need to desolder anything. Are your voltages ok?

I use extension cord with a switch and for the voltages i use battery charger Grin Should i try with like pc psu?
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FerrariMies
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« Reply #3 on: March 20, 2025, 11:10:07 PM »

I already have new ecu coming today so no biggie but it would be great to get it working so i can have stock ecu and one for tunes.
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aef
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« Reply #4 on: Yesterday at 12:29:05 AM »

most likely you are doing something wrong with the pin24 grounding or your switched ignition 12v

mpps shouldnt freeze

you can buy ktag this will make things easier maybe because you only have to place a needle on pin24 and it will do the magic on its own
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FerrariMies
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« Reply #5 on: Yesterday at 01:06:02 AM »

First i place the pin 24 then i switch power on. Tried wating from 1 second to 15 second but everytime i take then ground off the app freezes and i have to restart the pc. Could this happen if the ecu gets too much voltage? Ive heard that ecu converts the voltage to the needed amount but i dont have any other explanation.
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FerrariMies
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« Reply #6 on: Yesterday at 01:18:10 AM »

I’ll try to boot the new ecu to bootmode if it doesn’t work the problem is in the mpps itself or i am doing something wrong.
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ratosluaf
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« Reply #7 on: Yesterday at 04:35:19 AM »

galetto can read this in bootmode with no problem and you can use cheap ft232rl cable with galetto.

maybe your counterfeit mpps has locked itself after 10 tries to r/w?
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vvt18
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« Reply #8 on: Yesterday at 09:40:45 PM »

mpps is dead
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