Don’t believe it? You should. I’ve seen it many times over.
Posted on another forum. Another poor bastard who did it to himself..,
“What brings me here,is by V85TT. 2019, 67K kms and loving it.
Its the early model with the Marelli 7SM ECU. I have remove the cat and done a few other things that has resulted in me spending some time adjusting the maps in the ECU. Quite some learning experience, non the less some fun. I have run about 50 different maps in her over the last 2 years, and my last challenge has been removing the pre-detonation when under load between 3000 and 4000rpm.
I do all my mapping as per the book, dedicated win7 laptop, battery charger, Diag writer program. And its worked a charm, until now. So I tweaked a few things in the map this morning and set it up to download in the Guzzi, while I kept the wife happy and did the dishes. Uhm, the result wasn't good as the power cable from the GPO was unplugged and I didn't notice. The result was that the laptop shutdown, I am guessing mid upload. I know it did the erase part. So its bricked at the moment and I can't communicate with the ECU.
I will disconnect the negative cable for a few hours and reconnect it, to see if that type of resets restores comm's. Likely it won't so I am posting here.
I see in the threads that there are some references from Beetledung about recovering the ECU. But no instructions anywhere on the net as to how to do this. Any suggestions help appreciated. Note I work in IT so the computer stuff isn't a problem…”
—————
And the massive help from the “experts”…
“Unfortunately, I can't help with a specific solution to your problem. Hopefully you post with a fix at some point so we all have a good reference.
But, painting with broad brush strokes, one thing I have learned over the years of flashing various ECUs is that if a flash fails I would not interrupt the power going to the ECU. There is a chance that starting over without powering down the ECU will result in a successful flash or at least a successful enough one that the ECU isn't bricked, needing extra attention. It sounds like you're past that point but it may be something that helps someone else. It should also be noted that I am not certain if this would or would not work on a Marelli ECU.
When I have flashed my V85 I have always felt that the process was a bit finicky compared to other ECUs I've dealt with so I've always been very cautious.”
——————
“No amount of connecting the battery cables together, leaving the key on, holding the brake lever, throat singing, chicken sacrifice, swearing, maniacal laughter, or any other suggestion here will fix a bricked 7SM ECU.
If the software recovery doesn't wake it up, reach for your wallet...”
Point of this story is, do not mess with your ECU. You don’t know what you are doing and the chances for destroying your motorcycle’s ECU are very high.
If you want proper fueling, leave it to the real expert and check out GTM's offerings in the STORE tab.
I've had the PowerCommander and Autotune on my Stelvio for a decade with stellar results. I am awaiting shipment of my second unit for my Eldorado 1400, which should come this week.
I absolutely endorse GTM's fueling products. They do what they promise. Period.
Posted on another forum. Another poor bastard who did it to himself..,
“What brings me here,is by V85TT. 2019, 67K kms and loving it.
Its the early model with the Marelli 7SM ECU. I have remove the cat and done a few other things that has resulted in me spending some time adjusting the maps in the ECU. Quite some learning experience, non the less some fun. I have run about 50 different maps in her over the last 2 years, and my last challenge has been removing the pre-detonation when under load between 3000 and 4000rpm.
I do all my mapping as per the book, dedicated win7 laptop, battery charger, Diag writer program. And its worked a charm, until now. So I tweaked a few things in the map this morning and set it up to download in the Guzzi, while I kept the wife happy and did the dishes. Uhm, the result wasn't good as the power cable from the GPO was unplugged and I didn't notice. The result was that the laptop shutdown, I am guessing mid upload. I know it did the erase part. So its bricked at the moment and I can't communicate with the ECU.
I will disconnect the negative cable for a few hours and reconnect it, to see if that type of resets restores comm's. Likely it won't so I am posting here.
I see in the threads that there are some references from Beetledung about recovering the ECU. But no instructions anywhere on the net as to how to do this. Any suggestions help appreciated. Note I work in IT so the computer stuff isn't a problem…”
—————
And the massive help from the “experts”…
“Unfortunately, I can't help with a specific solution to your problem. Hopefully you post with a fix at some point so we all have a good reference.
But, painting with broad brush strokes, one thing I have learned over the years of flashing various ECUs is that if a flash fails I would not interrupt the power going to the ECU. There is a chance that starting over without powering down the ECU will result in a successful flash or at least a successful enough one that the ECU isn't bricked, needing extra attention. It sounds like you're past that point but it may be something that helps someone else. It should also be noted that I am not certain if this would or would not work on a Marelli ECU.
When I have flashed my V85 I have always felt that the process was a bit finicky compared to other ECUs I've dealt with so I've always been very cautious.”
——————
“No amount of connecting the battery cables together, leaving the key on, holding the brake lever, throat singing, chicken sacrifice, swearing, maniacal laughter, or any other suggestion here will fix a bricked 7SM ECU.
If the software recovery doesn't wake it up, reach for your wallet...”
Point of this story is, do not mess with your ECU. You don’t know what you are doing and the chances for destroying your motorcycle’s ECU are very high.
If you want proper fueling, leave it to the real expert and check out GTM's offerings in the STORE tab.
I've had the PowerCommander and Autotune on my Stelvio for a decade with stellar results. I am awaiting shipment of my second unit for my Eldorado 1400, which should come this week.
I absolutely endorse GTM's fueling products. They do what they promise. Period.
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