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Discussion Starter #1
Hi All-


I would like to disconnect the battery to do some work on the 2014 Sahara. I want to remove seats (cleaning and seat cover installation) as well as add a toggle switch to the wiring under the center console (ESP Kill Switch).


As simple as it sounds I have seen people post things such as very dangerous because seat airbags maybe triggered. I believe my '14 JKU has bags in the steering wheel and passenger side dash because of the little imbossed logo's there & no tags or indication of bags on the seats, also the build sheet does not specifically state seat airbags.


Others say it can only be disconnected for a specified amount of time, maybe 15 min, then the Dealer Service will have to fix the Uconnect Radio and other computer electronics may default.


Some have said the Dealer also has to change the batteries, etc., etc.


Does anyone have any experience with disconnecting the battery?? Very sad if a person cannot even replace a battery these days without all the special tools and computer resets etc. that appears to be the case-


Do I dare disconnect the battery for ~ 1/2 an hour without having to tow it into a Dealer?
:pullinghair:
 

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You'll be alright. I've disconnected a battery for an entire day while working on the jeep.

Sent from my SM-G970U using Tapatalk
 

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It says in the owner's manual to disconnect the negative cable if leaving the jeep unused for more than 21 days.
 

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The only consequence of disconnecting a battery that I know of, is that it will reset the emissions monitors.....

After disconnecting the battery, you will have to go through several different "drive cycles" before all your emissions monitors will show "ready" and allow you to pass a SMOG inspection.

If you need to get a SMOG inspection that checks the readiness of the emissions monitors (like in SoCal) in the near future... I'd wait on disconnecting the battery...

I know my Ram diesel truck took forever to reset all the emissions monitors, one time it took over a month and 700+ miles!

I'm not sure how long it takes a Jeep to show ready after disconnecting the battery...
 

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Discussion Starter #10
Thanks for all the info everyone, lucky for me I don't have to worry about smog inspection here in Bigfork, MT-
 

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No need to worry about the smog monitors. They reset by themselves as you drive. Won’t set a cel. If there is ever an issue you can look up the drive cycle. Do what it says and usually that will reset the monitor.
 

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Unhooked mine several time when wiring lights, winches, etc and it was off for a few days without any issues. Just need to reset the radio presets and such but nothing to be concerned with.
 

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For what it's worth.. You can buy 'computer memory keepers' that will supply a voltage to the PCM/ECM, radio and other car systems that might have volatile memories.

They're basically a battery that you plug into the 12V power port on the dash. They keep a voltage present when the vehicle battery is disconnected. Here's a real cheapie --> https://www.amazon.com/Powerbuilt-648539-Computer-Memory-Keeper/dp/B004BW9J1Y/ref=sr_1_2?keywords=car+computer+memory+keeper&qid=1560087783&s=gateway&sr=8-2

But as mentioned above.. They really aren't needed.
 

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Discussion Starter #15
Thanks for all the replies-

So, in summary, with a disconnected battery I should not have to worry about removing front seats and air bags going off although I don't have seat airbags. I'm sure my bags are in the dash, both sides as mentioned in 1st post.

I don't mind resetting channels on the radio, but, I had read elsewhere that battery disconnect would totally screw up my UCONNECT RADIO & have to bring into dealer for rebooting or reset whatever. When I bought the '14 Jeep (Jan 2019, with 17K miles) the original UConnect radio was totally trashed & they replaced with a new (same) before I bought it. That's why I'm so concerned-

:D :Thanx:
 

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With my 2012 unlimited sport, I recently took my seat out to install an amp underneath and when I reinstalled I had not problems with air bag stuff. I read, after I removed seat, that the airbag system would be messed up but found that was not true for mine when I reinstalled.

One thing I did find that seems crazy is that when I reconnected the battery my radio would not work because I needed the security code. This proved to be a pain because my dealer said they are being told to no longer give out the codes. I ended up finding a dealer who provided code but I first had to remove dash and get radio serial number and then show up in person with serial number and proof of ID. If possible, try to find your security code that might be in your manual, docuementation, etc. I'm assuming this is still necessary for newer jeeps like yours?
 

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It will be fine. After disconnecting, make sure you touch the positive and negative cables together to discharge and current still left in the system just as a precaution.
 

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Discussion Starter #18
With my 2012 unlimited sport, when I reconnected the battery my radio would not work because I needed the security code. This proved to be a pain because my dealer said they are being told to no longer give out the codes. I ended up finding a dealer who provided code but I first had to remove dash and get radio serial number and then show up in person with serial number and proof of ID. If possible, try to find your security code that might be in your manual, docuementation, etc. I'm assuming this is still necessary for newer jeeps like yours?
Thanks for chiming in here zr8000. This is exactly the problem that I've heard about and dread the thought of dealing with. I had a new Connect radio installed (no charge) when I bought the Jeep this past January because it did not work. This took the dealer about a week to do. They could not get the code themselves & days down the road they decided to put a new one in. They said something about the code only available to the dealer etc.

So another ploy to make you bring the vehicle into the shop if the battery is disconnected.

Most who have replied here have not stated the year and model of there Jeeps so I still am worried that this is an issue, especially after the dealer could not get the old code for the original radio that came in my Jeep.

Makes it a real pain to decide if I dare bull the terminals knowing It can be so costly....:eek:
 

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Discussion Starter #19
It will be fine. After disconnecting, make sure you touch the positive and negative cables together to discharge and current still left in the system just as a precaution.
ZEN357, thanks for your reply. I'm wondering if your reply was made considering the reply made by zr8000, just before yours? I also have to wonder, in regard to jwt873's post about "computer memory keepers". I would think jwt873's recommendation would be the best precaution- keeping the radio powered, so it wouldn't require the hassle with codes and removal of the radio to restart it, & Dealer expense.

ZEN357, curious what year your wrangler is?

I've also read that you can't replace an old battery because a new replacement has to be entered into the Jeeps computer system, again having to be served by a dealership.

I'm afraid this thread is not going to help anyone since most replies are a mix from others experience with different years and possible models. I guess we'll never know because the Dealer or Jeep simply wouldn't want this kind of information to get out thus curbing the Dealers dependance....:pulling hair:
 

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This thread helped me to kick myself in the @ss. Should have used a memory keeper.
Doh ! Now mine no longer runs or does anything, and needs a security code : (
 
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