If a bat. Light comes on when you are driving it means the systom is not charging and runing on battery only. It is an issue that needs addressed. If you or some one you know has a volt metter you can pin your way through the charging system. My first plain of action would be inspect and clean battery conections, fuse block charge wire conections, and the charging wire to the alternator. If you still have the bat. Light coming on may simply need an alternator.

 

So it goes on and off all on its own while driving. Never an issue with battery life or charging as it has done this for a while. No charge issue and the system is seeing a false issue. Seems like after 30 minutes of driving it stops illuminating. From what i see, it needs the dealer reset via their genesis scan tool. Just an absolute frustrating problem that the dealer is playing stupid on.

 

Does it do this?

Or this

Or even this?

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Nope. The battery symbol comes on, then goes off. A few minutes later it comes back on. It's very strange as their are no issues. I really think all it needs is the battery reset from the dealer and i will be good.

 

... I really think all it needs is the battery reset from the dealer and i will be good.

Are you heading in to the dealer soon, 93Cobra? Let me know; I'll be here if you need me to assist.

Crystal

 

Yes, I definitely plan to but they are wanting to charge me for the battery reset. I thought that was crazy.

 

The battery light has magically stopped coming on and off during driving now. No real answer as to why, but my only guess is that it was drive cycle related. The truck runs very well now, so i am happy about that. I just want the thing fully sorted out before winter is back with us in northeast ohio.

 

Last time i saw this issue was on a 2007 mazda3. It was an intermittent "sticking" regulator inside the alternator. Would act up for a week then stop for months. Act up again for a while, then be fine. Eventually it started staying offline long enough that we saw symptoms like the videos posted above as the battery was running to low to keep all the sub systems alive. Car still started fine so don't assume that means this is a false light.

 

heres what they did for me. But I need to go back. It's still charging way to high

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Interesting- thanks!! Also, this issue of just the battery light coming on/off during my commute has started again. It has proved to not cause a problem, but is an annoyance while driving.

 

Mine comes on off but I'm noticing high charge volts. Up to 17 the other day. Going in tomorrow to ask for a new regulator


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Mine comes on off but I'm noticing high charge volts. Up to 17 the other day. Going in tomorrow to ask for a new regulator


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did this work for you?

 

"Ghost in da machine"


Do hope you guys get this fixed

 

The dealer (Autonation) has denied my request to have this fixed (and covered). They refuse to perform the SSM 12055 which is my exact issue.

FORD SERVICE - can you help?

 

That's what I'm here for, 93Cobra! I'll be happy to look into this for you. PM me your details, including your full name, best daytime phone number, VIN, current mileage, and servicing dealership. I'm on the case.

Crystal

 

Yet in CANADA. no help [emoji24]


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Ford Service checked and they are not able to do anything. So much for the bazillion point used vehicle ceryification/check that Autonation Ford did!!! I definitely bought a LEMON.

So... Has anyone performed the above SSM 12055 on their own? Looks like it is just wiring in the connector at the alternator.

 

Ford dealer had a look at it today and could find nothing wrong with the system. They did hook it up and reset the battery life monitoring system (since I had installed a new battery a few weeks back - factory battery was cracked and oozing) and the error did not appear on the way home. Hoping it stays this way!

 

So far, no more error. The battery monitor reset is now allowing the alternator to cut out as it should for gas mileage savings. End result is i went from 18mpg to 22mpg just like that.

 

My truck is doing the same exact thing as shown in the 3videos above . What is causing this and how do I fix it ?

 

We Need to know what year and trim you have for us to help
And oh welcome to the forum and introduce yourself

 

Hi thanks for the welcome.. I have a 2012 f-150 fx2 5.0. This has been baffleing me for the pass week ..

 

This is a forum intended for the V6 EcoBoost engine trucks and I'm not real sure how many of the electrical components are shared between all the engine variations, but I seem to remember someone having a similar situation occurring and it came down to some chaffed wires near the computer that were intermittently grounding out. My suggestion would be to trace your harnesses in the engine compartment and check them out.

 

Just saw your other post (thread) most of the electrical systems are the same as the Ecoboost. Hopfully someone will chim in have you tried the other non ecoboost F150 forum?

 

Ok I'll look at that .. I haven't been on not eco boost site yet .. just found these videos on here a through I would give y'all a shot .. thanks again

 

Look how fast i'm going LOL

 

My 2012 f150 fx4 is doing the same thing in the videos posted above. Already replaced alternator and battery. Already had two mechanic shops look at it. Can't figure it out. Truck left me stranded yesterday. Turned off engine. Put the key in the ignition. Vehicle kept turning but wouldn't start. Battery light keeps coming on.?????