Two things

[hpva]

First, I got in the habit of pushing the auto stop button to shut it off.Lately I have not shut it off and when stopping at a light the engine has not been shutting down has anyone else had this happen? Second I just received my Threedom model M key fob for my Gladiator and what a wonderful thing not to have that big heavy Jeep fob in my pocket.As for the emergency key I hid it on the truck where I can get to it if I ever need it.

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[TBuck]

Your accessory battery might be close to dead. My start stop quit working, which I wrote off as a miracle. Not long after, my car wouldn't start because both batteries were drained.

 

[Mr._Bill]

First, I got in the habit of pushing the auto stop button to shut it off.Lately I have not shut it off and when stopping at a light the engine has not been shutting down has anyone else had this happen? Second I just received my Threedom model M key fob for my Gladiator and what a wonderful thing not to have that big heavy Jeep fob in my pocket.As for the emergency key I hid it on the truck where I can get to it if I ever need it.

Watch the ESS screen and see if it provides a reason. It can be low voltage levels from not being driven enough, or from batteries starting to fail. It can also be from high temperatures outside.

 

[DylanM]

From your owner's manual:

 

[rockymountainhigh]

Mine stopped too because I drive it 12 miles a week round trip total for my 2 days in the office. I know, I really need to drive it more. It's so nice I want to try and keep it as pristine as possible so I have a JK basher that we knock around in haha. Anyway, I did drive the JT across the Denver metro the other day and it briefly started shutting off again at stop lights, then took a road trip to Dallas and the aux battery is apparently so charged now that it starts/stops all the time now! I've used a trickle charger on it too (Battery Tender Jr.) and that lights up solid green in less than a day. But my experience is driving for distance works really well to get the aux battery back to charged and working the auto stop start again

 

[Camaroboi13]

The ESS battery is useless. Mine quit working 4 months after buying my truck and I couldn’t be happier. When I go on hour plus drives it will start working again.

 

[NotSo Bright White]

I too don’t drive my JT’s a lot so I have them both plugged in to battery tenders. Very cheap way to keep the batteries charged and the ESS working only to shut it off. I too am not fond of the ESS but I do want my batteries to last as long as possible. The total install takes less than 5 minutes.

 

[BlackOak]

First, I got in the habit of pushing the auto stop button to shut it off.Lately I have not shut it off and when stopping at a light the engine has not been shutting down has anyone else had this happen? Second I just received my Threedom model M key fob for my Gladiator and what a wonderful thing not to have that big heavy Jeep fob in my pocket.As for the emergency key I hid it on the truck where I can get to it if I ever need it.

Wondering where you got the Threedom fob seems where ever I go I get "is that your jeep key or are you just happy to see me"

 

[Buckhorn]

First, I got in the habit of pushing the auto stop button to shut it off.Lately I have not shut it off and when stopping at a light the engine has not been shutting down has anyone else had this happen? Second I just received my Threedom model M key fob for my Gladiator and what a wonderful thing not to have that big heavy Jeep fob in my pocket.As for the emergency key I hid it on the truck where I can get to it if I ever need it.

 

[Buckhorn]

First, I got in the habit of pushing the auto stop button to shut it off.Lately I have not shut it off and when stopping at a light the engine has not been shutting down has anyone else had this happen? Second I just received my Threedom model M key fob for my Gladiator and what a wonderful thing not to have that big heavy Jeep fob in my pocket.As for the emergency key I hid it on the truck where I can get to it if I ever need it.

If the AC or heat is on high, the Auto Start/Stop won't work, as they draw too much electricity. Also if you don't apply enough pressure on the brake pedal, it will not work.

 

[TARHEELKIDD]

First, I got in the habit of pushing the auto stop button to shut it off.Lately I have not shut it off and when stopping at a light the engine has not been shutting down has anyone else had this happen? Second I just received my Threedom model M key fob for my Gladiator and what a wonderful thing not to have that big heavy Jeep fob in my pocket.As for the emergency key I hid it on the truck where I can get to it if I ever need it.

Mine is doing the same thing, but mine started after my Jeep was at the body shop for 3 months. It has not worked since I got it back in Dec, but I have only driven with it on a few times. I believe the previous owner had a tazer and set it to have the auto start/stop turned off. If the light is on, it stays on no matter how many times I park the Jeep and drive it the next day. I just recently started driving with the auto start/stop on and my Jeep has yet to shut down at red light.

 

[LBL Chief]

Mine hasn't worked consistently since I bought it a year ago. When I take it in for an oil change, I'll mention that it's not working. Last time, they replaced both batteries and checked other stuff...but it's still not working. I keep getting new batteries and don't have to worry about turning it off!

 

[Light]

First, I got in the habit of pushing the auto stop button to shut it off.Lately I have not shut it off and when stopping at a light the engine has not been shutting down has anyone else had this happen? Second I just received my Threedom model M key fob for my Gladiator and what a wonderful thing not to have that big heavy Jeep fob in my pocket.As for the emergency key I hid it on the truck where I can get to it if I ever need it.

I had this happen when I first got my Mojave I took it to the dealer they said nothing was wrong and it work for them. I live in texas and with the heat if you have ac or heater on or a window open it won’t allow it to work because it isn’t in a stable temp yet. Let the vehicle cooldown or heat up depending on the season and it should start working again. They were right

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