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Help needed on PIN reset

Taken By Cars

New member
Joined
Apr 25, 2025
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3
So here's my problem. I got a 2019 Monster 821 (gorgeous, I know). I am the second owner and the previous owner do not remember the PIN for Melcodiag.
Tried to reset it, but it warned about losing my Termignoni exhaust tune if I reset anything. Any ideas how to resolve this?
 
Hey, I'm curious if you've sorted this one already? Melcodiag can be sensitive so I imagine how it could be tricky for you! For sure, resetting the PIN typically means a full ECU reset, which would indeed wipe your Termignoni tune. I think the best that can be done is to reach out to a reputable Ducati specialist or a tuning shop that deals with Ducati ECUs. They might have a way to access or reset the PIN without affecting the map, or they could re-flash the Termignoni map if it does get wiped.
 
@simon.scrambler8 is right, dealing with Melcodiag and custom tunes can be a sticky wicket. A Ducati specialist or tuning shop is your best bet to avoid losing that Termignoni map. What was the outcome of this situation, did you get it sorted out?
 
I'm all in for diy, but something like this can be a problem, especially if you mess it up. It hink your best bet is a dealership. They'll ask you for proof of ownership and they should get you sorted.
 
I totally get the frustration—your 2019 Monster 821 is a beauty, and it's tough dealing with tech issues like this. Since the previous owner doesn't remember the Melcodiag PIN, resetting it might wipe your Termignoni exhaust tune, which would be a real shame. The safest move is to back up the ECU map first using Melcodiag or JPDiag. If that feels a bit too technical, a Ducati dealer or bike tuning expert should be able to help you save the tune before making any changes.
regards: Clash of Clans Mod APK
 
This is a tricky spot. Definitely a good idea to back up the map if you can before you poke around. It would really suck to lose that tune
 
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