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Service Stop/Start System

Gladiator Rube

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Bought my 2020 Jeep Gladiator Overland 2/20/2020. Have had the whole radio replaced due to non functioning radio a week after purchase. The came the Auto Start/Stop System issues. I have had serviced a few times and they have replaced the batteries, etc. Then again last week the issue reoccured with the Servicthe Auto Start/Stop system and the Jeep service center at the local dealership is going to create a "STAR Case". Something about the engine not reaching the right temperature which may be causing the Auto Start/Stop system to be disabled but they arent sure. They dont want to keep replacing the batteries and send me off. In a rental but really just want my Jeep back and working.
There is another Thread of about 30 people with the same problem, It is called
Survey- For those with misfire issues
It typically starts out with the start stop and progresses to a full blown misfire.
 

Gladiator Rube

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Mine has been on since I purchased my JT (going on two weeks). Dealer messed around with the battery couldn't really see what he was doing and it was still on. I told him I never planned on leaving it on anyway, asked if it would mess anything up and he stated it wouldn't. Should I be concerned or just let it be?
There is another Thread of about 30 people with the same problem, It is called
Survey- For those with misfire issues
It typically starts out with the start stop and progresses to a full blown misfire.
 

Gladiator Rube

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Same problem for me, 1 day old gladiator D=
There is another Thread of about 30 people with the same problem, It is called

Survey- For those with misfire issues
It typically starts out with the start stop and progresses to a full blown misfire.
 

Gladiator Rube

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I'm having the same issue. I will just wait until I take the Gladiator in for the first oil change. I have two recalls that need attention as well.
There is another Thread of about 30 people with the same problem, It is called
Survey- For those with misfire issues
It typically starts out with the start stop and progresses to a full blown misfire.
 

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Cburgess33

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I am pretty sure the start/stop gets disabled if engine trips any other code. I am in the midst of tuning my supercharger and I usually get this right before a cel for ”running too rich”. I have even received this service disabled message in absence of a CEL and when I ran a check for problem codes I discovered I had “running too rich error” .... so my point is if u get this message and have a reader then connect it and see if any problem codes have been tripped . I wouldn’t wait for a CEL in all cases . Also please note my auto start/stop feature is programmed to be off and it can still trip this A@! message .. I think any lean , too rich , or misfire will lead to this service being disabled and then potentially a CEL. (and it doesnt matter if u manually disable ESS)
 

Mr._Bill

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Disabling ESS doesn't turn the system off, it only prevents the start/stop function from activating. The ESS system, along with all its monitoring and error checking, continues to run.
 

AggieJeep

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Mine is doing this for a second time. I took it in before and they replaced both batteries. A couple thousand miles later, it is showing the Service ESS again. Work is busy so I haven’t had time to take it back to the dealer AGAIN. I was away for about 8 days a couple of weeks ago. The starting battery was dead. This also happened the first time ESS failed.
I don’t have any accessories tied to battery, so either there is a parasitic draw in the truck or I got more bad batteries the last time. Truth be told, I don’t fully trust the dealership and I may still be running my old batteries:) I will validate any replacements this time.
 

Cburgess33

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It also possible it’s not the battery at all ;). I think I would check battery with voltmeter and hook up a reader to see it there are any associated codes any time I got this message .
 

stang37

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If you do a battery voltage check you'll probably find the batteries at at about 11.8 volts or less instead of 12+ volts. Weak batteries and no amount of driving will help.
 

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LiftedrubiconJT

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Same issue with mine since day 1. Anyone find out what the issue was? Hopefully it’s just dead secondary battery
 

iaflier

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Same issue with mine since day 1. Anyone find out what the issue was? Hopefully it’s just dead secondary battery
I'm having the same issue with mine as well! Comes on after 5-10 miles and resets when ignition is turned off for another 5-10 miles. Goes to the dealer on Thursday.
Jeep Gladiator Service Stop/Start System IMG_2541
 

rdcox23

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My warning light seems to come on when I hit about 30 mile per hour.

My back up camera stops working then also.
 

WK2JT

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I am pretty sure the start/stop gets disabled if engine trips any other code. I am in the midst of tuning my supercharger and I usually get this right before a cel for ”running too rich”. I have even received this service disabled message in absence of a CEL and when I ran a check for problem codes I discovered I had “running too rich error” .... so my point is if u get this message and have a reader then connect it and see if any problem codes have been tripped . I wouldn’t wait for a CEL in all cases . Also please note my auto start/stop feature is programmed to be off and it can still trip this A@! message .. I think any lean , too rich , or misfire will lead to this service being disabled and then potentially a CEL. (and it doesnt matter if u manually disable ESS)
I guess this makes sense... the last thing you want to do is "stall" the engine on purpose if it is sensing other engine related "issues". Good to know it will still trip the A@! light.
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