Jessicakate8x Posted June 30, 2020 Share Posted June 30, 2020 Can anyone tell me why my auto stop start isn’t working? All I see on my dashboard when stationary is a grey A logo with a line through it and a circular arrow around it. It was working yesterday and now suddenly doesn’t. Auto start stop isn’t deactivated. Ford Fiesta zetec ecoboost. Thank you! Quote Link to comment Share on other sites More sharing options...
Tiexen Posted June 30, 2020 Share Posted June 30, 2020 Because you not driving as much! Quote Link to comment Share on other sites More sharing options...
auldreekie Posted June 30, 2020 Share Posted June 30, 2020 Someone posted this fix (can't remember who) but it fixed a similar problem for me so I squirreled it away in my docs folder though my fiesta is a MK8 Im not sure on yours, worth a try though. Found the method to reset the battery monitoring system on the Fiesta MK8. 1. Turn on ignition (not engine) 2. Ensure headlights are set to on 3. flash the high beam five times 4. press the brake pedal 3 times 5. wait for the battery light to flash on the dash. 6. Turn off then restart. Quote Link to comment Share on other sites More sharing options...
jsk Posted June 30, 2020 Share Posted June 30, 2020 Have tried that fix a couple of times on my Mk8 but the battery light has never flashed. Quote Link to comment Share on other sites More sharing options...
DaveG1975 Posted June 30, 2020 Share Posted June 30, 2020 Just had a new battery fitted on my focus at the weekend 19 plate only way to reset battery monitoring system was to plug it into laptop that I don’t know how old your car is Quote Link to comment Share on other sites More sharing options...
pragmatix Posted June 30, 2020 Share Posted June 30, 2020 3 hours ago, Jessicakate8x said: Can anyone tell me why my auto stop start isn’t working? All I see on my dashboard when stationary is a grey A logo with a line through it and a circular arrow around it. It was working yesterday and now suddenly doesn’t. Auto start stop isn’t deactivated. Ford Fiesta zetec ecoboost. Thank you! Many reasons engine to hot, to cold, elictrical load to high, ac load to high battery not fully charged to name but a few Quote Link to comment Share on other sites More sharing options...
cjay1 Posted June 30, 2020 Share Posted June 30, 2020 4 hours ago, jsk said: Have tried that fix a couple of times on my Mk8 but the battery light has never flashed. this is for a mk 7.5 the mk8 need to be done with a laptop. Quote Link to comment Share on other sites More sharing options...
RO02THO Posted June 30, 2020 Share Posted June 30, 2020 It all depends on how well charged your battery is, if I drive a lot mine works fine. If I keep doing short journeys it'll stop working. My mums Fiesta is the same. Quote Link to comment Share on other sites More sharing options...
Bobr Posted July 1, 2020 Share Posted July 1, 2020 It sometime won't work if the air con is on. Quote Link to comment Share on other sites More sharing options...
auldreekie Posted July 1, 2020 Share Posted July 1, 2020 On 6/30/2020 at 4:05 PM, jsk said: Have tried that fix a couple of times on my Mk8 but the battery light has never flashed. It took about 30-40 seconds before it flashed a couple of times, blink and you miss it flashing. Quote Link to comment Share on other sites More sharing options...
Pando99 Posted July 18, 2020 Share Posted July 18, 2020 battery level is critical to the stop start , During the lockdown for covid I put my cars on a battery optimiser to make sure I didn't have any issues and it took a couple of days to bring it up to full charge. Prior to this the stop start hadn't worked for almost a year, however the car does a lot of short journeys. First time out after being charged to 100% the stop start has started working again This is probably your issue 1 Quote Link to comment Share on other sites More sharing options...
Jim H Posted July 19, 2020 Share Posted July 19, 2020 If you R.T.F.M. you will find: Quote The system does not stop the engine under certain conditions, for example: If you have opened the driver door. If you have unfastened the driver seatbelt. If your vehicle is at high altitude. If you have switched the heated windshield on. If the engine is warming up. If the outside temperature is too low or too high. If the battery charge is low or the battery temperature is outside the optimal operating range. To maintain the interior climate or reduce fogging. The system restarts the engine under certain conditions, for example: If you switch the heated windshield on. If you switch maximum defrost on. If your vehicle starts to roll downhill in neutral. To maintain adequate brake assistance. To maintain the interior climate or reduce fogging. Note: The blower motor speed could change when the system restarts the engine. https://www.fordservicecontent.com/Ford_Content/vdirsnet/OwnerManual/Home/Content?bookCode=O39895&countryCode=USA&languageCode=en&marketCode=US&viewTech=IE&chapterTitleSelected=G1868547&subTitleSelected=G1983044&topicHRef=G1983046&div=f&variantid=6102&vFilteringEnabled=False&userMarket=GBR Quote Link to comment Share on other sites More sharing options...
osprey2k5 Posted July 20, 2020 Share Posted July 20, 2020 Same happened with my 2016 Focus ST-Line during lockdown the stop start and the reversing camera wouldn't work as soon as it was getting used regularly again I've had no problems with both was told by a mechanic that it is the battery not being charged enough Quote Link to comment Share on other sites More sharing options...
Will Allen Posted July 27, 2020 Share Posted July 27, 2020 Hi all, I maybe going off on a tangent slightly as it's not a solely a start/stop issue but a general battery issue. I've had to jump start a Mk8 ST, 3 times now in lockdown. The first time I thought it was due to the period of time since I last drove it. I charged it up overnight (4pm - 9am ish) then drove it round for an hour or so, all seemed well. Month later, maybe after 3 days of it not being driven, death clicks and a flat battery. Long story short, after having been jump started by my girlfriends 14 year old volvo s40 (called Florence, the shame) for the 3rd time, I'm worried I've done more harm than good. With the 2nd flat battery, I thought I had been thick and left something on which drained it over the 2-3 days and bad luck, but after being so careful the 3rd is troubling. The car is less than a year old, my 4th Ford I've owned but never had this battery problem (even after leaving one for a month). Could I be overlooking something, Fuses? Alternator? or just the battery? I feel my actions may have caused a few facepalms in this forum, I'm sure you can tell I'm not the most knowledgeable petrol head. Good first post to start with 😄 Cheers! Quote Link to comment Share on other sites More sharing options...
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