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I've done a search and can't find a previous thread discussing the exact same problem I'm having on my 2018 Pacifica.

For the last few months I've noticed the Auto Stop is not working. The van runs just fine, no issues at all, but now it never shuts the engine off when coming to a stop. I've tried resetting to default settings on the screen, have toggled the button that has the "A" with the circle on it several times, and I've even tried driving with the A/C off to see if the A/C load is what is keeping the car from shutting down. It's as if the ESS feature is disabled or something.

Anyone else have the same issue? The only thing I haven't done is disconnect the battery for a few minutes to completely reset the computer or take it to the dealership (still have a while to go before the oil needs replacement)
 

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I've only noticed that happening when the engine first kicks on. Eg, it'll run for its full cycle (90 secs?) and then it'll behave normally and it'll turn off when stopped. But during those first 90 secs, it'll still run even when stopped. I'm assuming this is the case with 99% of owners. Yours certainly seems like an anomaly. I've heard of an owner having near constant "oil and refresh" mode run, but it doesn't sound like that's the case here. You might need to take it in :/
 

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Does your car not have a start/stop status display available on the instrument panel display screen? Use the up or down arrows on the left steering wheel spoke to scroll through the options. The engine must be running at the time.

If you primarily make short trips around town, your usage may not be sufficient to keep the ESS battery charged to the point where ESS will be active. This happened on my car when I didn’t leave my small town for a couple of weeks. ESS came back on about 45 minutes into the first longer trip I made.
 

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. . .
For the last few months I've noticed the Auto Stop is not working. The van runs just fine, no issues at all, but now it never shuts the engine off when coming to a stop . . .
Some members of this forum would call you VERY LUCKY and be jealous of your good fortune. :grin2:
 

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I've done a search and can't find a previous thread discussing the exact same problem I'm having on my 2018 Pacifica.

For the last few months I've noticed the Auto Stop is not working. The van runs just fine, no issues at all, but now it never shuts the engine off when coming to a stop. I've tried resetting to default settings on the screen, have toggled the button that has the "A" with the circle on it several times, and I've even tried driving with the A/C off to see if the A/C load is what is keeping the car from shutting down. It's as if the ESS feature is disabled or something.

Anyone else have the same issue? The only thing I haven't done is disconnect the battery for a few minutes to completely reset the computer or take it to the dealership (still have a while to go before the oil needs replacement)
Hi CRSmith,

I am sorry to hear that you are experiencing this concern. Have you visited your dealer to have this addressed? Please feel free to send us your VIN in a private message for additional assistance.

Darlene
Chrysler Social Care Specialist
 

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I'm having the same issue the Start/Stop feature stopped working 2 months ago. I get no check engine light, but I get a message that the battery is charging.... But it's been charging for for 2 months!

I have a Gas Pacifica Limited 13000 miles I hope this is fixed under warranty and this is not going to be considered wear and tear battery replacement.
.
 

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I'm seeing a lot of these threads recently, and I've created one of my own. I think some of that is the fact that we are coming into colder weather for many of us, which seems to negatively affect the system.

These things seem to be extremely conservative in their programming to not discomfort the occupants or risk not having enough power in the battery to restart the engine. With all the safety and other recalls that have plagued Chrysler in other brands, it is easy to understand why. Mine was stuck charging for quite a while, but that was remedied by a few longer trips and not letting the van sit so much. That doesn't mean there's nothing wrong with the OP's car, but it may be something relatively simple and completely normal.
 

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I'm having the same issue the Start/Stop feature stopped working 2 months ago. I get no check engine light, but I get a message that the battery is charging.... But it's been charging for for 2 months!

I have a Gas Pacifica Limited 13000 miles I hope this is fixed under warranty and this is not going to be considered wear and tear battery replacement.
.
Hi migs,
We understand how concerning this may be. Please feel free to send us a private message if you decide to have your dealer look into this. We are happy to provide additional assistance once your vehicle is at your dealer.
Lydia
Chrysler Social Care Specialist
 

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Sorry, but bringing your Pacifica in to a dealer to have the Stop/Start function fixed is a total waste of your time and energy. Even after we finally got them to believe us that it didn't work, they just load-checked both batteries, said they were OK and sent us on our way. Still didn't work but they put a check mark in the completed column. I took it back after I said it still did not work (about 3 days later) and after some 3 or so hours of investigation I was told the "SIB" needed replacing and of course they didn't have the part. Well they kept the car, replacedd the SIB, and then performed some 3-day maintenance that the factory said was mandatory when the SIB is replaced. The Stop/Start seemed to work after that but about a month or less later, it stopped working again. Now it sometimes will function but usually (about 90% of the time) the system says it is not ready "Charging." Most recently, I completed a trip on the turnpike which takes about 70 to 90 minutes and it never did get charged up. That was a week ago and it still does not work. Why? Because it is "charging." I think we all just need to forget this whole system - it works on many other vehicles but not on these Pacificas. Maybe the government EPA needs to investigate it like they did the Volkswagen fraud on the diesel motor computer changes.
 
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I recently had an issue with my AutoStop feature. (2017 Pacifica Touring L Plus). My experience may not reflect issues other people are having, but this how I think my issue was solved.

I was due for an oil change. I had reached the recommended amount of travel distance, but was keeping an eye on the 'oil life' read out on the van's info display system. Eventually I started receiving a message that I was to replace the oil soon. I took note and drove on. By and by, I started receiving a message that I needed an oil change now. It was scheduled for a couple of days hence, so I didn't worry. I remember precisely the moment the AutoStop feature stopped working. I was just starting up, from waiting at a light, and the van flashed me a message saying that the AutoStop feature was now no longer available. At that moment I had wondered if the engine management system had disabled the feature, due to the engine oil age? You know, to prevent any damage from stopping and starting often? For the next two days, the van operated normally, except for the oil change warning and the lack of AutoStop. It was then my appointment had come due.

I brought the van in for a diagnosis and an oil change. The shop told me the cranking battery needed replacement. It measured low on the capacity value, when compared to a new battery. It would be a warentee replacement, so I had them order it. Mean while, the oil was changed. After that my AutoStop feature worked normally. It took a week for the new cranking battery to come in and during that time, the AutoStop feature worked 100%. I told all of this to the shop, but they still recommended replacing the cranking battery, due to the value that was read out on it, when tested.

Two weeks now, still no problems.
 

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Discussion Starter #11
Since I started the thread, I thought I would give an update on my situation. I finally took it to the dealership for ESS check and also some recall work that I was notified of through the mail. They did a battery load test on both batteries (cranking battery and the smaller ESS batter). Turns out they were both a little low. They were replaced under warranty. I drove out of the dealership with the same message on the dash "ESS Unavailable. Battery charging" (or something similar). But, after a few miles, the ESS battery was fully charged and the system became available. ESS has worked properly since then. I guess even if they are new, the batteries need a little bit of topping off after they are installed to go back to 100%.
 

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I've done a search and can't find a previous thread discussing the exact same problem I'm having on my 2018 Pacifica.

For the last few months I've noticed the Auto Stop is not working. The van runs just fine, no issues at all, but now it never shuts the engine off when coming to a stop. I've tried resetting to default settings on the screen, have toggled the button that has the "A" with the circle on it several times, and I've even tried driving with the A/C off to see if the A/C load is what is keeping the car from shutting down. It's as if the ESS feature is disabled or something.

Anyone else have the same issue? The only thing I haven't done is disconnect the battery for a few minutes to completely reset the computer or take it to the dealership (still have a while to go before the oil needs replacement)
Have you had the V53 Recall done? If not, get it done! It fixed ALL my ESS problems!

The V53 Recall is supposed to be for the Power Steering, but it involves cleaning a grounding stud for the Auxiliary Battery, and guess which of the ESS functions uses the Auxiliary Battery? ALL OF THEM!

And if you've had the V53 Recall done already and your ESS still has problems? Have the recall done again and this time tell them to do it right! Or else do it yourself. I brought in pictures I printed off of the eyelets that had to have the adhesive scraped off and of the extra insulation that may have to be cut from the Auxiliary Battery eyelet. I told the shop manager that I was concerned that some mechanics may have not been doing this recall appropriately, and I wanted the mechanic who does the recall to see the pictures I brought in so he does the job right. I think it worked, because my ESS has been working perfectly since I had the recall done. One other person reported that his ESS has been working perfectly since he had the recall done also. So there you go, no guarantees, and it's only my personal opinion so far, but it's got to be worth a try! Let me know if it works for you!
 
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