Stop/Start not working
Generally speaking I switch off stop/start as soon as I set off as I find it annoying in heavy traffic.
However today I found it wasn't working when switched on. Being a beehive full of knowledge of all things mechanical and electrical I instantly knew what it was - or rather didn't as I have no clue on these things...!!! I switched it on and came to a stop again, and it did not work, so I went into the settings via My Car, went to the sub menu 'Drive' and noticed it said ''battery charging'' and something about ''stop/start will not work when the battery is charging''. I have never seen this before, but then again probably because the battery for the stop/start has never been flat, so obviously wouldn't show!! So I figured I would post for anyone whose stop/start appears to not be working to have a look at this first. So in conclusion its not faulty, its just that the seperate battery for the stop/start needed a charge - which is understandable really as the car has been stood for a couple of weeks Regards |
Yeah I noticed this on my new MY14 about a month ago even after a couple 250/300km runs, message up start/stop unavailable.
Took it to shop but of course it wouldn't do then, it was fully charged and start/stop worked perfectly. Then last week noticed it again plus it won't even play the radio with ignition off, get a battery low message up, so off to dealer again when I get a chance. |
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The Main Battery on the stop/start is an AGM flat plate type and they seem more troublesome than the standard calcium silver one fitted to non stop/start cars . It should hold good charge for at least 3 months if all is ok . You MAY need a new main battery depending on the results of the test at your dealer. |
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Must admit that the car hasn't been used much in the last few months, standing for a couple of weeks to three weeks at a time, then a few short journeys, then standing again. Doesn't do batteries much good that I suppose. Regards |
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The battery will need a long charge on a charger first , use one which is capable of supplying at least 15 or 20 Amps . Overnight is not always enough . and when charging it is Important to put the charger earth to the CHASSIS ( or engine or gearbox ) of the car NOT the negative battery terminal , otherwise the car's battery monitor will not measure the fact that the battery is being charged and it will affect it's calculations . Try it see how it goes , and if it fails again get your dealer to do the onboard battery test proceedure whilst it is not working .. |
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Has to be the most annoying thing ever invented (with the possible exception of reality tv) |
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Unfortunately I have never had the pleasure of driving a new Volvo. But some silly womans insurance company were nice enough to 'loan' me a 320d M Sport for a couple of months the other year, and although I loved the car, I hated that stupid stop/start system. I actually found myself sitting at the lights with the clutch in all the time so that it wouldn't cut out. I think we drivers are born with an inbuilt fear of 'stalling' it , and it just doesn't feel right when the car does it all on its own.
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Well I have charged the battery today simply by running it. A few miles driving and a few minutes idling, then a few repeats. Battery charging notice now gone and stop start is working as it should!
Probably battery was low as not been used that much, then when used the journeys have been so short so as not to put the charge back in the battery, let alone the charge that was used simply for starting the car to do the short journeys!! A fair few miles are on the cards in the next couple of weeks though. Regards |
Hi,
Sorry if this has been covered but it driving me mad. I have a 2013 D3 v40. Stop/start kept saying charging and would never work, after leaving the car for stand for a week it wouldn't start so I took the opportunity to replace the battery. 180 amp direct replacement fitted and the stop start worked for a short time. It has since constantly reported battery charging, even after long motorway drives. I've had all the errors reset, and the alternator tested. I have seen posts about a sec battery near the bumper, does anyone know about this? or any ideas what might be going on? |
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How much was your new battery? |
I dont use my car that frequently. When i first use it the stop start is discativated for usually the first day of use. The second day of use it will work. This is because of battery. I have never seen it deactivated due to regen yet. I have seen it deactivated due to the outside temp being too high.I have never seen it deactivated due to the outside temp being too low, although if i have my heated seats on, the battery will not charge as fast so ot will disactivate.
Tis a pain in the arse and I didnt even know i had it when i bought the car till the engine stopped and restarted, as it was not listed in the vehicle details at the dealer. |
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Crikey, ididnt know that! How long has that been for? Its funny as i tried other cars of the same age at uk dealers and i dont remember them having it on the senus menu or having an on off button on the console. Also when i registered the car in france there are two distinct models types listed for the same year , with or without start stop. Without was a 2300 euros eco tax and with was 700 euros eco tax. I was glad mine was the latter.
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stop start on xc70
I have xc70 (65 plate) and i use it about 3 -4 times a week, and lately, message came up saying "low battery", and then the stop start stopped working with a message in the LCD " battery charging or low ambient temperature of high altitude etc .. " I am at 40 metres above sea. I have taken the car for a 100 miles trip on motorway, hoping it would reset, however, I still have the same problem. the battery voltage without the engine running is 12.02 volts, and when the engine is running, it is 15.25 volts. The car seems to start first time. Can you please help me locate the batteries for further investigations . I have located the main battery which is in-front of the passanger side in the engine compartment. Where is the second one?
any help to reset the stop star problem would be appreciated. |
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https://az685612.vo.msecnd.net/pdfs/...95.pdf#page377 If you don't have one or your car is not MY 15.5 you can get the correct one here: https://www.volvocars.com/uk/support...46&tab=manuals |
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That might be all the problem is ,the battery state of charge low , You need to fully charge the battery first with a good external battery charger it might well take 24 hours so don't be afraid to leave it going . Driving the car is not the best way to charge the battery , there is not enough time available and once it gets to 80% it rapidly slows down .. When you connect the charger, clip the red positive to the red positive tag on the battery and clip the black earth to the engine or a bolt on the body otherwise the cars battery monitor will not monitor the battery being charged . You don't need to worry about the secondary battery that takes care of itself and it always near fully charged , it is not monitored . If you want to reset the stop start disconnect the battery completely when charging , clip the terminals direct to the battery then .. The stop start defaults to always working when the battery monitor has lost its data , then gradually works out the true state of charge over night . |
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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