Auto Start-Stop Question

[Wheels3738]

I find the auto start-stop very annoying. Just wondering if there is any harm in manually turning it off each time I start the engine and running without it on?

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[Heimkehr]

No harm at all.

I installed this defeat harness when my JLU was new, for the sake of convenience. It creates a memory function for the non-ratcheting dashboard switch, so that it remembers if I want ESS active or not.

 

[JLfromCA]

Your in the majority, most hate ess. I did the bypass module when almost new. There are a few very vocal members that love ess. They should chime in soon.

 

[alphawolff]

ESS does more harm than good, so you're on the right track turning it off on every start up

 

[TheBirdie72]

ESS = Extra Stupid System

 

[bthomp]

Add me to the "ESS is horrible" camp. With etorque it is way better than in my last jeep with the aux battery, but there isn't a time that the engine stops and it's doesn't result in me immediately remembering to turn it off. I've had ESS turn the engine off when I was still rolling to a stop, makes no sense. Turning the engine back on when you put it into park so that the engine fires back up only to be immediately shut off. Must be good for it....

Better engineering would make it better,,,, but in the best possible case it isn't good.

Bill

 

[Yawnie'sPapa]

I find the auto start-stop very annoying. Just wondering if there is any harm in manually turning it off each time I start the engine and running without it on?

Nope, push the button if you like.

ESS does more harm than good, so you're on the right track turning it off on every start up

Harm? LOL - ok, been into the "I hate ESS" sites and threads.

They've been stopping and starting gas engines in cars since the very first hybrids. No harm.
Technology isn't what it used to be, people base baseless "opinions" on what they read or relate back to decades ago.

It does no harm.

ESS is there to help Stellantis and other companies (for example, BMW, Mercedes, GM, Ford, etc.) get past CAFE/EPA regs. Without it, those companies pay crazy fines - or in the end, go under.

Jeep did not invent this and only adopted it after others created it and make it work.

 

[Dgr401]

I have been pushing the button for almost 4 years and I am pretty good at it. It has become an automatic reflex and it doesn’t bother me at all to push it.

 

[wrang_stang]

Add me to the "ESS is horrible" camp. With etorque it is way better than in my last jeep with the aux battery, but there isn't a time that the engine stops and it's doesn't result in me immediately remembering to turn it off. I've had ESS turn the engine off when I was still rolling to a stop, makes no sense. Turning the engine back on when you put it into park so that the engine fires back up only to be immediately shut off. Must be good for it....

Better engineering would make it better,,,, but in the best possible case it isn't good.

Bill

Shocks me how stupid engineering decisions make their way to production. Guarantee because you’re shifting through reverse to get to park that it turns it on as you pass by (R).

Reminds me of remote start in Toyota turning off the engine when you open the door, must be great for carbon deposits.

 

[DH4USA]

ESS does more harm than good, so you're on the right track turning it off on every start up

Just wondering what is the harm that ESS does? I have a new 24 Sahara and have been using the ESS but if it causes problems down the road, I will rethink using it.

Thanks.

 

[AndySpill]

Add me to the "ESS is horrible" camp. With etorque it is way better than in my last jeep with the aux battery, but there isn't a time that the engine stops and it's doesn't result in me immediately remembering to turn it off. I've had ESS turn the engine off when I was still rolling to a stop, makes no sense. Turning the engine back on when you put it into park so that the engine fires back up only to be immediately shut off. Must be good for it....

Better engineering would make it better,,,, but in the best possible case it isn't good.

Bill

Hey Bill:

I'm not here pushing or condemning ESS as a concept for saving fuel, or bashing Stellantis' design for that system: much as it could have been done much better.

Rather, I'm here to assign blame where I think it belongs, and that's with the EPA rules for ESS systems and stupid law suits.

The way the EPA regulates ESS incentivizes Stellantis to simply pass its ESS test with a new vehicle and to insure that those running ESS don't get stranded at a traffic light, hence the tiny battery on dual AGM battery Wranglers. For Stellantis to make the system more robust (say with equally sized batteries that swapped roles now and then) would cost us more and not gain any greater favor with the EPA; who if they (the EPA) were truly interested in (IMHO) writing law to insure ESS systems were designed better, would test that ESS systems still engaged well into ownership, not just when the batteries and vehicles were new.

As it regards the ESS system starting the engine with gear changes, particularly in Park, I heard it was an EPA requirement. If it isn't it might be what I'll call an Anton Yelchin requirement: something put in to prevent the law suits when people leave their ICE vehicles thinking they're powered down when in park, when they are instead they are just in an ESS event that will eventually terminate while the owner is "in the supermarket."

I'm not minimizing Yelchin's loss or good safety features. But the kind--speaking literally and in metaphors--that force companies to put warnings on coffee cups that say "warning, coffee is hot," IMHO are the product of overly sympathetic jurors willing to give stupid people money because they feel sorry for them and forget that we pay for those rewards in higher prices and a more nanny imposed lifestyle.

My $0.02, off soapbox.

 

[randyone]

I find the auto start-stop very annoying. Just wondering if there is any harm in manually turning it off each time I start the engine and running without it on?

My ESS stopped working about 6 months ago. I am not complaining about it either.

 

[ArcadeTracks]

ESS = Extra Stupid System

But it's "Automatic." My son thinks the abbreviation should be different. I'm sure others agree...

 

[NewbJLUOwner]

I find the auto start-stop very annoying. Just wondering if there is any harm in manually turning it off each time I start the engine and running without it on?

I agree regarding the start stop. Especially with a Diesel. Very annoying. I keep mine manually turned off almost every trip now.
Many folks on here have posted their experiences regarding ESS. Battery issues. Etc
I'm going with the belief that by manually turning it off constantly, this will help ensure a little more battery life in Aux Battery, less wear & tear on Engine & Starter (although Owners manual states Engine has an upgraded starter specifically for start/stop)
However, i recommend keeping it active occasionally.
This should also keep the Aux battery healthy.
By keeping the system active occasionally, I discovered a defective Main Battery, ESS system kept saying charging. Dealer replaced under warranty.
Lastly, there are ways to bypass, but I prefer to press a button and not risk losing warranty etc

 

[dstevens]

The ESS is not mandated by the EPA but rather is the manufacturer trying to keep their CAFE mileage as high as they can. CAFE is an act of congress administered by US DOT. I guess the EPA mileage rating is affected (gamed?) by ESS but that is marketing only.

My ESS is good at killing the engine the exact moment I apply throttle to move off after stopping at a stop sign.

I notice on new VWs they can shift to neutral and stop the engine at about 10 mph when they see a red light. But their camera is smart enough to start the engine when they see the car in front move.

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