I hand a similar issue with battery charging or ambient temp to high/low, charged battery and all ok for about 2 days then back to battery charging. I've since changed the main battery and been working faultless since. I was also getting the low battery warning message in dash if listening to radio for more than about 5minutes with engine off.
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I had exactly the same thing, in my 2014 d4, started off with the start stop not working, then progressed to the low battery warnings. Had the dealer replace the battery, and all is good. now getting a 12.6v reading on the battery first thing in the morning |
My car is over 4 years old now, and Stop/Start is increasingly unavailable which I'm assuming is a sign that the battery is on it's way out.
Not had any warning messages yet on the dash - is it fine to carry on until I get them, or at this time of year with the cold and extra load of lights/heaters/etc is it best to get it replaced asap ? I remember reading somewhere on here before Christmas that Volvo batteries were on special offer, pretty sure it was Clan that posted - anyone know if the offer is still going ? |
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Having gone through this myself a few years ago essentially what happens is that the battery gets progressively worse until it charges so slowly that even after a 100 mile run it would still be under the stop/start threshold. Looking on VIDA at the data, the old battery would charge at <2-3A whilst the new one would charge at 20+A initially before dropping as the charge state went up. It’ll probably last another year or so but one day after not using the car for a few days I barely got it started. New battery and 2 years/25k miles later still get stop start immediately even after not using the car for a few days. Long story short: you are ok for another few months but you might as well replace it soon. I got mine from a Volvo Indy for £125 and fitted it myself. Cheaper than everywhere else! |
Volvo stop/start on the manual cars is good and reliable. On my V50 it was still going strong on the original batteries after nearly 5 years and 72k miles.
I hate the set up on the XC auto. It stops the engine below 5 mph when you're still rolling which is just plain annoying when approaching a roundabout or junction. Why can't they set it to stop a second or two after coming to a halt. I've spoken to the dealer but they can't adjust the behaviour at all. Ultimately this just makes me switch it off this negating any benefits! These days most of my miles are A road with little reason to stop so it's not a problem but just poor design IMHO. Current XC90 is the same so just a Volvo auto "thing" |
2012 xc60 stop/start
Hi all,
Thought i would share my stop start story, i just aquired my car 4 weeks ago and no stop start function operating, I checked both batteries the small one showing 13.7v and the large 12.4 which is indeed low as per what the (my car) was telling me, It did push in over 14v when running so all good there, I even got a low battery warning when sitting with ignition on waiting as we do, Today i thought id check the tyre pressures so i started car and reversed closer to my garage left it running as it was a bit chilly at least 10 minutes idling,(i know i know). I then pumped the tyres up to 35psi they were under 30 and lower, I then drove for about 20 miles parked all day, I had the shock of my life when leaving the city the car stopped at the lights, Of course i panicked and dipped the clutch and it started again (thew). The only worrying thing is the lights stay on when its stopped draining the battery so i switch it to side lights when stopped as it was dark. Ill probably avoid using it anyway as starter, ring gear etc, time will tell. Is there anyway of turning the lights off so just the DRL are on? all i can see is that it needs to be done by volvo. Just want to add thanks for this group as i have learned a few things. Keith |
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The system will obviously have been designed to cope with frequently repeated restarting.
My stop/start hardly ever works, always because the battery is 'charging or cold'. However I don't think this means that my battery needs replacing, merely that the system was designed to work with a new battery in near-perfect condition. Leaving my car unused for days on end certainly adds to the problem. |
My XC60 R design was bought a couple of weeks ago just 1 year old. Didnt realise it had start stop until one day it did. It worked that day and the next then stopped working again. took to dealers and battery was found to be about 65%, so it was changed for a new one. Has worked ever since once car gets up to temperature. It's a pain with no engine temp guage though.
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you will be warned in good time of the engine temp is either too hot or too cold it is constantly under observation every second of your journey so knows quicker than you even if there was a needle :-) |
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