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All because the batteries were on their way out.

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All because the batteries were on their way out.

  #1  
Old 08-08-2018, 02:33 PM
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All because the batteries were on their way out.

2012 6.7l with the OEM batteries in him and @ 73k miles.

This winter, when the truck was cold, it stopped starting off of the ignition in the steering column. It would fire normally with remote start. This summer it stopped starting at all off the column, still would fire no problem off of remote start. Last Friday it stopped starting at all. Tow it to the dealer expecting this to be a warranty item for them to call me and tell me that $370 in batteries and he starts like a dream.

I find this whole thing very odd for what ended up being dying batteries. Anyone else experience this? If not, I thought i'd put it out there.
 
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Old 08-08-2018, 03:11 PM
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I try to change my batteries every three years even if they seem fine, just do that I know itíll start in the winter.

Iíve got an aftermarket remote starter in mine, and had the opposite result when the battery was getting down - remote start wouldnít always work, but key start would work fine.
 
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Old 08-08-2018, 03:19 PM
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Originally Posted by seville009 View Post
Iíve got an aftermarket remote starter in mine, and had the opposite result when the battery was getting down
Good to know, Seville. Thanks.
 
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Old 08-08-2018, 03:25 PM
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6 years on OEM batteries? You were definitely on borrowed time. That's about 3 years longer than most of us get out of them. The BCM module will refuse to complete the start process if battery is too low. It can be bypassed sometimes as you found out by remote start. The reason for that is the threshold value, remote starting doesn't wake up the other modules so the voltage doesn't drop as much. This allows the BCM to still see 12.4 volts and start.
 
  #5  
Old 08-08-2018, 03:27 PM
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Originally Posted by ford390gashog View Post
6 years on OEM batteries? You were definitely on borrowed time. That's about 3 years longer than most of us get out of them.
In all honesty, I probably swapped them out, I just don't remember. Thanks for the info!
 
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Old 08-08-2018, 04:35 PM
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I'm on my third set in eight years. I ran the OEM and second set until they were unusable. I have the OEM remote start and mine would not remote start this past winter (fail to start, one chirp of the horn) but I could get an additional chance at turning it over with the key.
 
  #7  
Old 08-10-2018, 08:39 AM
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When the battery in my wife's Lincoln LS began to fail the car would actually start up but the alarm would activate including horn and flashing lights, then shut off. You could start it up again with the same results. Apply jumper cables and jump off from another source and no alarm. It was a real motivator to get a new battery I'll say that.
BTW, my 2012 Super Duty purchased in September 2012 is running original batteries and tires. They both will need to be replaced this year.
 
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Old 08-10-2018, 07:48 PM
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2011 MY, new in June 2011. I have replaced the batteries twice - both times in the winter and the last replacement was around Christmas. So about 3 years a set sounda right.

I replaced them with Optima yellow tops. I am hoping these last longer. The engine starts real easy on these batteries. I will have to see what the voltage dips to under starting loads. I suspect these handle the draw a little better than the OEM's.
 
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Old 08-10-2018, 09:56 PM
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Has anyone had any other quirky things happen before the batteries died? Someone on another forum had something weird go on with their wipers shortly before they had to replace batteries.

The other day, I got in my truck (which is almost 3 years old, btw), put the key in the ignition and the seat didn't move forward. Pulled key, put it in again, still nothing. Tried pushing the memory button to see if it would do anything. Nothing. Truck started and ran fine. Next time I got in it, seat moved forward as normal.

Another time a few weeks ago, I got in the truck and about 30 seconds after starting, the wipers wiped once (dry weather, hadn't used wipers in a couple days). I shrugged it off until I was sitting at a stop sign about 30 seconds later and the wipers swiped once. About the right amount of time delay for the slowest intermittent setting. I looked down and the wipers were off. While I stared at it and pondered, the wipers wiped once again. I looked and the lights were not on (I have them set to come on automatically if the wipers are on). Turned the wipers on and back off at the stalk and everything was fine.
 
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Old 08-10-2018, 10:40 PM
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Long ago it was generally safe to wait until your first no-start (often with subsequent starts working OK) before worrying about batteries.

Nowadays (from my perspective) modern vehicles (with all their electronics) are creating a tremendous demand on batteries.
When these modern vehicles batteries start to weaken they manifest in many different (weird) ways.

While $300(+) isn't exactly chump change once these weird problems appear it's time to pro-actively change the batteries out.

JMHO.
 
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Old 08-14-2018, 11:00 AM
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Originally Posted by Army RET View Post
While $300(+) isn't exactly chump change once these weird problems appear it's time to pro-actively change the batteries out.

JMHO.
Yeah, I agree. I'm just used to the older trucks giving me different indicators as to what was going to happen. I honestly thought this was going to be a reasonable warranty-solved problem.
 
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Old 08-15-2018, 01:26 PM
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I changed my OEM batteries a month or so ago. 7 years and 7 months and ~68K miles. After the truck sat for 4 days I went to start it and it cranked slow but started so I knew it was time. I never had any weird things happen though. I attribute part of the long life span of the batteries to the cooler climate I live in. Heat is what kills batteries. Went with Duracell's from Sam's Club at $100 each.
 


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