Vehicle will shut off soon????

[missionale]

@Hollyblanks
Sorry to read about the problems with your Jeep. As suggested, batteries that are close to failing can sometimes cause a raft of electronic issues to occur, possibly such as what you're experiencing now.

N.B.: The color TFT screen in your photo suggests you actually own an upmarket trim level.

The center display in the Wrangler Sport includes analog gauges and monochromatic text/graphics.

my 2021 Sport S looks just like the picture shown by Hollyblanks- minus all of the issues - I wouldn't call the 'S' an upmarket trim - but now I feel important

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[DaltonGang]

Why is it that the modern cars go to "Shit Mode" when a battery goes bad?? My old cars just needed a jump start, and they ran just fine, until you shut the engine down. Hell, you didnt even need a battery, if you had jumper cables, and plenty of people around to help out, every time you needed a start.
Now, you are just S.O.L. it seems, if everything isn't running optimally.

 

[mwilk012]

Why is it that the modern cars go to "Shit Mode" when a battery goes bad?? My old cars just needed a jump start, and they ran just fine, until you shut the engine down. Hell, you didnt even need a battery, if you had jumper cables, and plenty of people around to help out, every time you needed a start.
Now, you are just S.O.L. it seems, if everything isn't running optimally.

Then drive your old cars.

 

[FloridaLarry]

If the OP knew how to edit the title of his thread, this wouldn't turn into a shit show like all fat finger threads usually do.

 

[DaltonGang]

Then drive your old cars.

If I still had them, I would. Smart Ass.

 

[mwilk012]

If the OP knew how to edit the title of his thread, this wouldn't turn into a shit show like all fat finger threads usually do.

Eh, its funnier this way. Honestly, there isn't much diagnosis that can be done on a forum for problems like this anyway. Just a bunch of guess work.

 

[Spank]

The JK was no different. If your battery wasn't perfect, it'd cause all sorts of shit to light up on the dash, too.

 

[viper88]

ESS is a weaklink. Bad ESS battery can cause all kinds of problems that have seemingly nothing related to it.

 

[Heimkehr]

ESS is a weaklink. Bad ESS battery can cause all kinds of problems that have seemingly nothing related to it.

What's the intel on removing, but not replacing, an ESS battery that has reached end-of-life? Is its presence (in good, functioning condition) compulsory, meaning its absence will cause error codes and the like?

I'm wondering if the ESS battery can be removed, while leaving the original and still-working main battery in situ, and still have a properly working vehicle.

 

[mwilk012]

What's the intel on removing, but not replacing, an ESS battery that has reached end-of-life? Is its presence (in good, functioning condition) compulsory, meaning its absence will cause error codes and the like?

I'm wondering if the ESS battery can be removed, while leaving the original and still-working main battery in situ, and still have a properly working vehicle.

You have to install bypass jumpers and then do something with the battery cables. It's really not a big deal to replace the battery every 3-4 years.

 

[Heimkehr]

You have to install bypass jumpers and then do something with the battery cables. It's really not a big deal to replace the battery every 3-4 years.

Thanks. That might also explain the nest of wires that accompany the installation of the Genesis dual battery kit.

 

[viper88]

What's the intel on removing, but not replacing, an ESS battery that has reached end-of-life? Is its presence (in good, functioning condition) compulsory, meaning its absence will cause error codes and the like?

I'm wondering if the ESS battery can be removed, while leaving the original and still-working main battery in situ, and still have a properly working vehicle.

You can't just remove the ESS battery. It more complicated then that. Way above my pay scale. Lol.

Supposedly early 2018s had ESS issues and revisions were made along the way. I am surprised ESS is still problematic in newer models. Probably not a bad idea to replace both the main and ESS batteries every 3-5 years as a precaution.

 

[The Last Cowboy]

For those of you who primarily drive short trips, take it out once a week and put at least 20 miles on it, on the highway or driving in a "sporting" manner. The short trips never allow the battery to charge or the engine to fully warm up. This will help keep a full charge on the batteries and will also help keep condensation in the engine block from sludging the oil.

 

[Rhinebeck01]

.

What's the intel on removing, but not replacing, an ESS battery that has reached end-of-life? Is its presence (in good, functioning condition) compulsory, meaning its absence will cause error codes and the like?

I'm wondering if the ESS battery can be removed, while leaving the original and still-working main battery in situ, and still have a properly working vehicle.

@Heimkehr

Sure, with a some effort (not hard at all) an owner can remove the Aux battery and run with just the main battery. An hours+ work and after doing the deed it would be wise/prudent not to use the ESS feature or at the least, minimize it's use.... to push the ESS button or have an aftermarket device like a SmartStopStart unit or a Tazer JL deal with remembering to in essence push the button for you.. Anyway, removing the Aux battery is doable.. and no, never an EVIC message/code thrown with this approach.

Another way..... with a single inexpensive, fused bypass jumper and also removing the Aux battery Negative cable from the Main battery Neg terminal you can just bypass the Aux battery and run just with the Main battery. You can just leave the Aux battery down in it's holding box to do nothing.... With this approach you also would not want to use the ESS feature or at least minimize it's use.. and no, never an EVIC message/code thrown with this approach.

Yet another way is to keep and maintain and Aux battery and to bypass it with a fused bypass jumper along with the simple cable disconnect as mentioned earlier.. Do this and you run with the Main battery only and you have the Aux there to be used as a backup battery.... and no, never an EVIC message/code thrown with this approach.

AND, of course you can just keep the Dual Battery System as it was designed... Replacing the 2 batteries every 2-3 yrs. as needed.. Reality is, it is not that big of a deal for most anyone to change either one or both of the batteries...

.

 

[mwilk012]

You can't just remove the ESS battery. It more complicated then that. Way above my pay scale. Lol.

Supposedly early 2018s had ESS issues and revisions were made along the way. I am surprised ESS is still problematic in newer models. Probably not a bad idea to replace both the main and ESS batteries every 3-5 years as a precaution.

That should be done on all vehicles, most batteries fail within 4 years.

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