If you look in the My Car menu whilst driving and go through to stop/start, it will always show up as 'engine system' preventing stop/start from working when the DPF is regenerating. You should note though, that this message can also come up due to other causes.
Quote:
Originally Posted by Clan
This happens roughly once a tank full of fuel .
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Sadly in my case, for the last 2 months this comes up every other day, along with an associated significant drop in economy; I only ever use Shell diesel in my S80 D3 and drive about 750 miles a work for my daily commute, meaning that I fill up pretty much once every week so it would appear to be happening 2-3 times as frequently as it ought to. Strange that it used to be once a week to once a fortnight prior to the summer though...
In addition, since my latest service a couple of weeks ago, I now get the 'electrical system' preventing stop-start every single day - getting really exasperated with the stop-start system now. MRG tell me that if the battery goes below a certain level (73% full I think they said) then this will cause this message - it all seems a bit strange to me that over 35K miles I saw this message twice, then I've seen it every day since my last service less than 2K miles ago. I do wonder whether the latest software update has tweaked some settings, causing this error.
