V4 Electronics ECU Malfunction at heat - Ducati Panigale V4 Forum
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post #1 of 1 (permalink) Old 12-05-2018, 07:22 AM Thread Starter
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Join Date: Jun 2018
Location: South Africa
Posts: 21
V4 Electronics ECU Malfunction at heat

Hi Guys

I have been actively involved in the thread about the QS issues and fading clutch issues and although I responded there, I thought that my latest V4 issue could warrant a new thread.

After replacing my QS when it just stopped working, the bike went back to have the clutch slave cylinder replaced as it was sucking air. It didnt make a difference, and Ducati ended up replacing the whole system, everything from the lever, resovoir, lines and both pumps. Seems okay now, but not the end of my problems.

First time out on track, bike runs extremely hot, 4th bar (still cannot understand how such an expensive bike doesn't have a temperature gauge btw) and then everything just went haywire!!!!

QS stopped working again. Engine light on, DQS err, EBC err, all other electronic systems flashing, no QS, no DTC, no DSC, no DWC and the bike cannot start in neutral without pulling clutch in. After the bike cooled down a bit (although everything still flashed) the QS works again and the bike can start in neutral without having to pull the clutch in. Still no gear indication however. Definitely heat related though.

It went back to Ducati, who reset the ECU and all was fine ... or was it?

Next track day, 2nd lap, same thing!!!!! So obviously it is being caused by something else when it gets hot. Ducati is trying to figure it out, but I was wondering if anyone has had the same issue and resolved it yet. Maybe ECU is cooking or gear sensor?

I'm also trying to establish why the bike is running so exceptionally hot - If I match the bars to what the owners manual says, it runs between 104 and 125 which is way too high in my view, especially since it is moving during track riding and not traffic conditions. I do live in South Africa and our summers can get extremely hot, and we are 1700m above sea level so the air is thin, but I don't know if this could make such a big difference. Well at least, it didnt with my 1199, 1098, 796, 748 or Dark.

Let me know


Last edited by Heins Worst; 12-05-2018 at 07:29 AM.
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