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2013 Ford Explorer Battery Drain

Old 01-01-2019, 05:21 PM
  #1  
avalonjohn
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Default 2013 Ford Explorer Battery Drain

Happy New Year.

Wife has a 2013 Ford Explorer. Battery croaks about 2 months ago. Had a new battery installed. About 3 weeks later, new battery was dead. I jumped it and checked the voltage (around 12.7v with the engine off and around 14.7v with the engine on. I bring it to my buddy's shop (who installed the new battery). The new battery checks out fine, as well as the alternator. He finds a draw of about 2.5 amps with the engine off even after 30 mins or so. We start pulling fuses to isolate the draw and it appears it was coming from the Navigation / Radio / Sync crap.

I take it to the dealer (mind you I HATE the frigen dealer but it appeared to my friend that this would be the quickest diagnosis). So, they have it half a day and tell me the Nav/ Sync crap checked out fine, but needed updating, and that may be the cause. So, they do that and now advise the 2.5a draw is gone. About $200 for everything.

3 days later, I go to start the car after sitting for about 20 hrs and it was a real weak start. I call Mr. dealer. Back up it goes. This time they let it sit for 24 hrs. They call me and tell me there is nothing wrong, it started fine, and there is no draw. No charge.

2 days later, DEAD battery after about 12 hours. I jump it. 8 hrs later dead. battery. I call Mr. Incompetent Dealer who stated "we checked everything and your car is fine" (WTF). I have been telling this guy for weeks now this is an intermittent problem and letting it sit for 24 hours is really only checking it 1 time. I have read about Ford shifter sensors not telling the computer the car is in park and therefore not allowing the car to go into "sleep mode". I have sat in the car several times after shutting of the engine and everything appears to shut down and off normally.
Anyhow, it is going back up (3rd time in a few weeks) tomorrow. Any ideas? Thanks in advance.
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Old 01-01-2019, 05:24 PM
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any aftermarket accessories installed?

has it been unusually cold outside?

did you buy the car used or new?

Last edited by themonk; 01-01-2019 at 05:25 PM.
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Old 01-01-2019, 05:26 PM
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OP drives a 5 year old vehicle.

Not CFOT baller.
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Old 01-01-2019, 05:33 PM
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Originally Posted by avalonjohn View Post
Any ideas? Thanks in advance.
Sadly the dealership is not equipped to diagnose this kind of problem. It's going to take a n actual engineer to troubleshoot this problem correctly. As you surmise, one or more of the embedded computer modules in the vehicle is not going into low power mode correctly, causing excessive current draw. If the root cause was a known software bug then the updated firmware you got would have fixed it. So it's either an intermittent hardware failure or a new bug in the software.

If pulling the fuse to the infotainment system is definitely preventing the drain, then replacing the infotainment component(s) attached to that circuit may be the most expedient solution.
You'll notice I didn't say "cheapest."

Good luck!
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Old 01-01-2019, 05:35 PM
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Originally Posted by Z06PSI View Post
OP drives a 5 year old vehicle.

Not CFOT baller.
* Ford
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Old 01-01-2019, 05:40 PM
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I know with the 2013 f150, there is a switch that detects the vehicle is in park like you mentioned. It's a DIY repair if it's a console shift.
Also, does it have a battery management system? that can cause issues too.
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Old 01-01-2019, 05:49 PM
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Originally Posted by Z06PSI View Post
OP drives a 5 year old vehicle.

Not CFOT baller.
Wife does, no pics, sorry, but you are correct, I am no baller.
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Old 01-01-2019, 05:50 PM
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Originally Posted by dvarapala View Post
* Ford
I have a 50 yer old Corvette, is that ok?
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Old 01-01-2019, 05:52 PM
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Originally Posted by themonk View Post
any aftermarket accessories installed?

has it been unusually cold outside?

did you buy the car used or new?
Thanks. We bought it new from this dealer. There are no aftermarket accessories installed. No really cold, today was mid 50s (It died again today).
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Old 01-01-2019, 05:56 PM
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Originally Posted by KarlK View Post
I know with the 2013 f150, there is a switch that detects the vehicle is in park like you mentioned. It's a DIY repair if it's a console shift.
Also, does it have a battery management system? that can cause issues too.
The shifter is in the center console. I am not familiar with the battery management system. I told the dealer about the F150 shifter sensor. He kinda played dumb. The car goes into park fine and the dash indicates it is indeed in park. Isn't there some kind of sensor though on the shifter that is not telling the computer to shut off?
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Old 01-01-2019, 05:59 PM
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Originally Posted by dvarapala View Post
Sadly the dealership is not equipped to diagnose this kind of problem. It's going to take a n actual engineer to troubleshoot this problem correctly. As you surmise, one or more of the embedded computer modules in the vehicle is not going into low power mode correctly, causing excessive current draw. If the root cause was a known software bug then the updated firmware you got would have fixed it. So it's either an intermittent hardware failure or a new bug in the software.

If pulling the fuse to the infotainment system is definitely preventing the drain, then replacing the infotainment component(s) attached to that circuit may be the most expedient solution.
You'll notice I didn't say "cheapest."

Good luck!
Thanks,
After the dealer updated the Nav Sync, the draw went away (so they said). The second time it was there last week they had it for 24 hrs and could show no current draw, but something is still killing this battery.
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Old 01-01-2019, 06:02 PM
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try here ---------------> Ford Explorer Forum
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Old 01-01-2019, 06:03 PM
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Originally Posted by avalonjohn View Post
The shifter is in the center console. I am not familiar with the battery management system. I told the dealer about the F150 shifter sensor. He kinda played dumb. The car goes into park fine and the dash indicates it is indeed in park. Isn't there some kind of sensor though on the shifter that is not telling the computer to shut off?
Yes, on the f150 it's not a sensor but a switch. I'm guessing your explorer has a similar, if not the same switch. Lots of f150 owners have had the switch, parasitic draw issue. I remember seeing a kit on ebay someone was selling that avoided paying dealer prices for the repair kit.
To confirm, you can browse a explorer forum and do a search.
Your issue sounds identical to the f150 owner problem with battery drain

check door switches
ignition switch

Last edited by KarlK; 01-01-2019 at 06:34 PM.
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Old 01-01-2019, 07:08 PM
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Originally Posted by MAD IN NC View Post
try here ---------------> Ford Explorer Forum
Cuz all the know-it-alls hang out here.




That wasn't meant to be snide. There are some really smart people here.
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Old 01-01-2019, 08:44 PM
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Originally Posted by avalonjohn View Post
Wife does, no pics, sorry, but you are correct, I am no baller.
So you have no pics of your wife?
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Old 01-01-2019, 11:54 PM
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Lisle makes a gizmo for checking battery drain. Plugged right into your meter and connects to your battery. Maybe you should consider picking one up. Sounds like you're the guy who's going to have to diagnose this.

Amazon Amazon
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Old 01-01-2019, 11:59 PM
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Originally Posted by K-Spaz View Post
Lisle makes a gizmo for checking battery drain. Plugged right into your meter and connects to your battery. Maybe you should consider picking one up. Sounds like you're the guy who's going to have to diagnose this.

https://www.amazon.com/Lisle-64970-P.../dp/B00RGN5UAY
Thank you. tomorrow it goes back to the dealer however I do not have high hopes. I am actually surprised they (the company that sells these cars) cannot figure this out. Thanks for the link.
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Old 01-02-2019, 12:08 AM
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Originally Posted by avalonjohn View Post
Thank you. tomorrow it goes back to the dealer however I do not have high hopes. I am actually surprised they (the company that sells these cars) cannot figure this out. Thanks for the link.


I have about the same high hopes for your dealership that you have.
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Old 01-02-2019, 12:16 AM
  #19  
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There's a chance you've deep cycled that battery too many times (I counted 3 times it's gone dead).

Have you actually charged it or just using the alternator?
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Old 01-02-2019, 12:53 AM
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One thing that causes dead batteries is leaving the ign key in place when parked, this keeps the anti theft circuit on. Since your friend found 2.5 amps disappears when the nav/rad/sync fuse is removed and I suspect you told the dealer this, then a clamp on dc ammeter needs to check these circuits to find out which circuit is drawing the current that discharges your battery. Car batteries are not designed like deep discharge batteries and every deep discharge and recharge takes off some of its life. It appears your friend is better at finding leakage current than the dealer so you might consider having him look for the offending circuit.
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