curious, what is this feature you speak of? I have a 2014 GC and the only thing I can think of is when I stop on a hill, put it in park and release the brake, it rolls back a couple inches. Not enough to hit anything but when your wife is standing in the open door with one leg in, one leg out, she sure let me know when the A-frame konked her head!
I believe all cars with the hated Start/Stop feature always default to enabled each time it is started up. My Mercedes does it also. Even when programming the custom driving modes, it enables every time the car is started. A Mercedes tech told me that is a federal requirement. It's a way for the manufacturers to squeeze a bit more mileage for the EPA and CAFE standards. It may appear on all cars within a couple of years. In the meantime, until someone figures out how to hack the system, we have to press the A button to turn it off each time we get into the car. YUK!
That is why I purchased a 2015 leftover WK2 w/o the ESS and still has the 5 year 100,000 power-train warranty. Plus saved a few thousand with zero interest for 5 years and $4900+ in rebates and discounts at the end of February. Timing is everything!
I find I can regulate the Stop/Start with just brake pressure. If I hold the brakes lightly at the light, the engine never shuts off. Usually I pressure harder to get the shutoff feature, because I like the idea of saving gas.
Very annoying feature especially living in nyc where stop and go is every 200 feet. I usually remember to shut it when I hit the first red light a block from my house.
Why not have purchased a SmartCar for NYC, or a Prius? I live north of Boston and needed it for the winter weather. My 2015 Limited has ESS and I don't even notice it now. I will say, though, that a user setting to delay it activating after meeting the threshold to apply it would be much more user-friendly and contribute to its acceptability. I mean a few selections like 0 seconds, 5 seconds, or 15 seconds after coming to a stop (where the speed of the vehicle allows ESS to activate) is all it takes. For me, I roll stop thru stop signs more than I did in the past!
The 2016 (January build) KL LTD the ESS does not seem
to kick in if you do not fully depress brake,I come to full
stop but then let up slightly and it stays stopped but it does
not kick in.
Almost a rolling stop feeling but 5 - 10 second full stop.
I have ESS on another vehicle (not my 2014 Trailhawk). It also will not auto-stop if the brakes are feathered to extremely light presssure at final stop. In addition, if engaged, the ESS will auto-start if brake pressure is feathered down to almost zero while at a full stop. {I'm not sure if the Jeep ESS does this.} Using these feathering techniques, I now can fully control the ESS and have come to accept it. BTW, the ESS restarts so fast (a small fraction of a second) that it doesn't affect normal driving - only quick racing style launches.
For whatever it's worth on my girlfriend's 2016 BMW 328 I X Drive, the SALESMAN disabled it for her before she even picked it up. He was aware how much she disliked the feature from the previous one. Not convinced FCM is btight enough to provide a defeat like that. That based on the lousy job they''ve done on all of the electronic sccessories on my 14 KL.
The Cherokee KL version of SmartStopStart is now shipping.
There is a FAQ on my website below.
This is a plug-and-play memory device that plugs into the diagnostic port under the dash in a few seconds and then remembers the last state of the ESS disable button each time you start the vehicle.
I've had the SmartStopStart in our 2015 Trailhawk for about a month. Works as advertised and the install is as simple as any plug-in could be.
The FCA claim of 1mpg in city driving may be the case under certain conditions, say where the stops are at long lights. However in the case of multiple short-duration stops, like at stop signs in the country or certain stop-and-go driving the effect on mpg is in the other direction.
I hate the start-stop enough to purchase the Startstop module for my 2017 GC Trailhawk.I am extremely happy with it, and has been worth the purchase price to be able to forget about this worthless feature pressedon us by Jeep.
Special Sale: $40 off SmartStopStart for forum users
JeepGarage users are being offered a special price of $109.95 ($40 off regular price) during July for the SmartStopStart module. It includes free Priority Mail shipping in the US (and First Class Mail shipping overseas).
This module sets the default engine Stop Start (ESS) enabled/disabled start-up to your preference. It is a 15 second plug-in installation in the diagostic port under the dashboard.
It is available for the 3.6L Grand Cherokee and the 3.2L Cherokee models with Engine Stop Start (ESS).
If anyone has a question see my website below or contact me.
Had it in our Cherokee Trailhawk now for over a month. It's great! Whenever I run into a long-stop situation, like long traffic lights, I just put S/S back on for the duration, then turn off again when leaving the city traffic.
We now have support for the 2019 Cherokee Limited, Overland and Trailhawk Elite only. On these 2019's the module plugs in under the driver's seat in a minute or two. All engine options are supported on these models.
Sorry we do not support the 2019 Latitude, Latitude Plus and standard Trailhawk yet.
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