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Thread: 2012 Focus Titanium "Low Battery see Owner's Manual" after 20 Minutes of Stereo on Reply to Thread
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Topic Review (Newest First)
08-13-2016 08:39 AM
ELCouz
Quote:
Originally Posted by anromy15 View Post
Thanks .. Actually the new battery was bought in Ford Autoservice, so I believe that they did the reset ... After that the message showed again.
Don't assume automatically that dealer did the full procedure.

Heck, I've seen oil change done at dealer without doing the oil reset monitor procedure.


Some dealer are by the book, some are like fast food restaurant... skimming on procedure said by Ford.


I would recommend doing the reset anyway so you are sure it's been done.

The other way would be to disable the BMS, is to disconnect the sensor at the negative battery terminal so the car will act like old car with the alternator always on (no engine load shedding) and no battery cut-off.
08-13-2016 08:13 AM
jrn146 Woops got my programs mixed up, right you are sir!
08-12-2016 08:35 PM
anromy15
Quote:
Originally Posted by ELCouz View Post
Nope... you need FORScan to reset the BMS (or leave the car undisturbed for 8 hours, that procedure is hit or miss)...


From Ford:

Thanks .. Actually the new battery was bought in Ford Autoservice, so I believe that they did the reset ... After that the message showed again.
08-12-2016 08:35 PM
anromy15 Thanks .. Actually the new battery was bought in Ford Autoservice, so I believe that they did the reset
08-12-2016 08:18 PM
anromy15
Quote:
Originally Posted by Irish614 View Post
Not to hijack a thread but I see its been 2 years roughly since anyone has replied. I have a 2012 focus sel hatchback that keeps saying battery low check handbook when I open my door to get into the car. It goes away once I start and drive. I checked the battery and it is giving out 11.9-12 volts, when I start the car it obviously goes up. Anyone have this issue? I don't have the mft so that's not causing the issue. I do have a 12" subwoofer with 500 watt amp however this happened after I took the subwoofer out.
Hi.. .did you fix it ? I have a focus 2012 with the same problem .. Everything looks like good, Battery new, all tests doing well .. however the message "Battery low check hand book" goes up .. What happened with your car?
08-12-2016 03:34 PM
ELCouz
Quote:
Originally Posted by jrn146 View Post
You need to reset the battery monitor. You can do it with focccus.
Nope... you need FORScan to reset the BMS (or leave the car undisturbed for 8 hours, that procedure is hit or miss)...


From Ford:

Quote:
When charging the vehicle battery by connecting the charger to the negative battery terminal is necessary, such as when using a combination battery charger and battery tester/analyzer, like the GR 1 190 V3.0 Intelligent Diagnostic Charger, the BCM will not immediately update the battery state of charge. In this instance, after charging, you must carry out the Battery Monitoring System (BMS) Reset using the scan tool. This reset is needed for proper engine off load shedding and to prevent invoking of engine off load shedding earlier than normal.
NOTE: If the reset is not carried out, when the battery is charged by connecting the charger to the negative battery terminal, it takes approximately 8 hours for the BCM to learn the new battery state of charge. During this 8 hour period, the vehicle must be undisturbed, with no doors opened or keyless entry button presses. If the vehicle is used before the BCM is allowed to learn the new battery state of charge, engine off load shedding can still occur and a message may be displayed.
When charging the vehicle battery by connecting the charger to engine or chassis ground, the negative charger clamp must be connected to an unpainted chassis surface or a solid engine component such as a generator mount or engine lifting eye. In this instance, after charging, the BMS Reset is not required. Through this method of charging the BCM will update the battery state of charge during the charging process.
08-12-2016 11:03 AM
jrn146 You need to reset the battery monitor. You can do it with focccus.
08-12-2016 08:53 AM
Vanquished
Quote:
Originally Posted by anromy15 View Post
Hi I just want to ask you if you fixed that issue ? I have a focus 2012 and the "Battery low message" pops up in the screen . I already change the battery, a brand new battery but the message keep going ...

Never fixed the issue. Just learned to deal with it. I actually traded my Focus less than a year into owning it (with 7k miles on it). Not because I didn't love the car, i definitely did love the car, just traded into something with a little more power.

As annoying as this feature is I do appreciate it now after renting a Keyless Ford Edge recently. I dropped it off after hours and accidentally left the car in acc mode but with the doors locked and I had already put the keys in the lockbox before realizing my mistake. Thanks to this feature it wasn't dead the next day and I wasn't charged a fee lol.

Not sure if it would have made a difference in this scenario but my Charger battery (brand new at the time) died after having left the car unattended while traveling for 3 days. Turns out they were leaf blowing dirt and dust and crap in the garage I left it in and some dirt got stuck in the door unlock sensors and kept causing the solenoids to turn on, drained the battery and I was stuck at midnight without a car. Wish the Charger had some sort of feature to prevent the battery drain from this.
08-12-2016 07:31 AM
anromy15 Hi I just want to ask you if you fixed that issue ? I have a focus 2012 and the "Battery low message" pops up in the screen . I already change the battery, a brand new battery but the message keep going ...
10-28-2015 01:21 PM
strtrkstooge
Quote:
Originally Posted by Vanquished View Post
Hey Everyone,
I wanted to see if this problem is normal for the Focus under the given scenario.

So, I like to listen to music in the car (2012 Focus Titanium) while detailing it. I have the Sony 10 speaker sound system and after listening to the stereo (USB) at volume 9 or ten for about 20 minutes I got a message on the screen that says "Low Battery See Owner's Manual" I can't remember if I had accidentally left the fan on (i know it would make a difference) but on another instance I got the message after 40 minutes of music playing (went into battery saving mode once and I had to turn it back on) with no fan on.

I guess I can accept it if we just have a very weak low capacity battery but I used to listen to the stereo on my Mitsubishi Montero (same wattage stereo) with a 5 year old battery at the same or a little higher volume for a very long time (well over an hour) without it ever draining past being able to start or even a noticeable drain.

Just seems odd to me that a brand new car would be so inefficient or have such a bad battery. I know the stereo probably uses a lot of juice but...

Thanks!
-Vanq
I've had my 2014 Focus for 7 months and 6000 miles and often gives me the same message. I have the basic 6 spkr system and Sync. Sometimes I can detail my car w/o it powering down, but other time it can be anywhere from just a couple to 10-15 minutes. The dealer checked the charging system, says all is ok. I appreciate the "fail safe" system but it is annoying having to start my car every 5-10 minutes while detailing.
Nothing else is on but the radio when this happens. Even with the radio off and I'm sitting in my car in a parking lot reading while waiting to go into work, it will still shut off. I would have the key off but like to leave the phone hooked up to SYNC in case I get a call.
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