Hmm… I learn something new here everyday. We have a lot of ‘mischief’s’ here!
Terrible rumor going around about an SSM specific to an infrequent battery drain issue.
Something this Florida boy had never seen when I got Stationed at Minot AFB.(I'm also used to the deep freezes where temperatures stay below zero Fahrenheit for more than week at a time, where I used to have to drive my old car every day for like a half hour to make sure it'd start again the next morning -- and that was with a new battery. So, like, it's no worse than any other car in the winter where I live)
I agree. You should not have to put your new vehicle on a charger like this.
I
The bad batteries from Chinese supplier is a separate issue and involves far fewer vehicles.
I have never had a "deep sleep" issue...however I was getting notifications about my Maverick disabling remote features to save the [12V] battery power. During an oil change and one of the recalls done back in November last (11/24) they did a full test of the battery that takes about 45 minutes, and it failed. So, it was replaced with another battery under warranty. The party line that the dealers parrot is that "you need to drive the Maverick more to keep the battery charged"; however just the day before this work and test, I had driven 14 hours at highway speeds (65-78 MPH) so driving is NOT the issue by any means.
This problem has been well-known and uncorrected for 4 years now, showing just how incompetent the Ford software people are. The factory battery is fine until the faulty BMS software fails to charge it correctly, causing it to sulphate and die a very early death. I'm on my 3rd factory battery under warranty now, so including the extended test and labour rates, its costing them a lot to cover up the incompetence. If you put a meter on it you can see that it charges at about 2A for 5m and then drops to about 1A until it hits a really low 60-80% charge. As any electrical engineer can tell you, a flooded-type or EFL battery needs to be charged at (say) 10A until it gets up to about 90% charge and then tops up at about 1A to 100%. There are a couple of scenarios like Canadian winters where those rules need to be modified a bit, but not many. The 25 models are getting similar-rated AGM batteries that will resist sulphating a bit better and maybe last a bit longer for 2x the price, but the underlying software problem causing the failures is still not fixed. AGM batteries also do not handle the super-high 15.2V charging voltage well, so they may die early for different reasons. The software update was promised somewhere in the next 26 days, so let's see. I'm hoping that the fix also includes extending the warranty on the now damaged batteries to (say) 6 years like the battery should be lasting if it was being charged properly.
Not a good idea, Mark. My truck will need to know if the garage door is open or not, and the backup camera doesn't work either.
Ya that is a pretty bad battery.
