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Discussion Starter · #1 ·
Starting a new thread on this bc I felt it might be warranted. I had my car at the dealer for a repair for almost 3 weeks and when I got it back the auto stop/start wasn't working. I've been driving it for about 2 weeks like this and have an appointment scheduled with the dealer next Thursday to take a look at it. To be honest, I really like having it off all the time and I know many of us wish that there was a permanent "off" button you didn't have to hit every time you entered the car. My concern is that if the auto start/stop function is disabled, what else might be disabled? As far as I can tell everything else works....parking sensors, adaptive cruise, lane departure, etc. Anyone have any guidance on how to determine what is going on and if it can be replicated on purpose?
 

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S/s will be disabled if there are certain trouble codes, or specific conditions not met, so really if you hate it anyways i wouldnt worry about it, probably a code left in one or more modules.
 
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After an update in October, Stop/Start hasn't worked.
No codes are present.
Dealer doesn't see an issue..says "don't worry..be happy".
Alfa Customer Center is also completely clueless.
 

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Check that your forward collision warning is still working. On my car, the S/S unavailable warning is coming on and also when I check in the settings->safety->forward collision, "forward collision" is grayed out, like it's been disabled. I'm going to try to reset the fault myself as soon as I get my ELM327 connector. If not successful, I'll have to bring to dealer to get it reset.
 

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If 'bobbycees' experience is like mine, there are no error codes thrown on OBD or messages on the center display.
Auto Stop/Start just doesn't work.

Checked battery voltage, hood closure, temps, etc..all OK.
 

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Meh, ;) But seriously, if resetting on an OBD reader by a user is more effective than a visit to service then there is something seriously wrong at that dealer. That kind of thing really disappoints me. I think my brand new 2018 Quad had at least 4 updates on the equipment sheet by the time it arrived. Start Stop works fine for me and in a humorous way, it finally kicked in for the day when I was driving home in D mode not Race. I got all the way home, hauled out my ramps, pulled in the driveway and was about to zig zag into my garage when CLUNK the engine shut down. I stopped to switch into A mode at that point too, but it cracked me up. I also put my window down so I can crane my neck out and look at the front wheel/bumper. The engine has to warm up before it will engage. Worked well on the way to Weymouth today. Park assist too but I see about a 12 inch buffer zone in the system that I can inch into when space is tight. I have alignment marks on the walls too, to gauge with the mirror housings for a perfect fit.
 
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After an update in October, Stop/Start hasn't worked.
No codes are present.
Dealer doesn't see an issue..says "don't worry..be happy".
Alfa Customer Center is also completely clueless.
PCM update? Are they checking the system for codes, or just the pcm, because the system relies on several modules to work the S/S.
 

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Also, it will be disabled if it’s under a certain degree outside. I want to say 37* or below but can’t remember for sure what the exact degree is.
 

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Discussion Starter · #10 ·
If 'bobbycees' experience is like mine, there are no error codes thrown on OBD or messages on the center display.
Auto Stop/Start just doesn't work.

Checked battery voltage, hood closure, temps, etc..all OK.


Exactly the same. No error codes / lights at all. Fwd collision does work as well.


Sent from my iPhone using Tapatalk
 

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Starting a new thread on this bc I felt it might be warranted. I had my car at the dealer for a repair for almost 3 weeks and when I got it back the auto stop/start wasn't working. I've been driving it for about 2 weeks like this and have an appointment scheduled with the dealer next Thursday to take a look at it. To be honest, I really like having it off all the time and I know many of us wish that there was a permanent "off" button you didn't have to hit every time you entered the car. My concern is that if the auto start/stop function is disabled, what else might be disabled? As far as I can tell everything else works....parking sensors, adaptive cruise, lane departure, etc. Anyone have any guidance on how to determine what is going on and if it can be replicated on purpose?
You've got some great advice here, bobbycees. Just to chime in, if you decide to head back into the dealer, feel free to send us a direct message. We'd be glad to get this into the hands of a Case Specialist.

Jasmine
Alfa Romeo Care Speciailst
 

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After an update in October, Stop/Start hasn't worked.
No codes are present.
Dealer doesn't see an issue..says "don't worry..be happy".
Alfa Customer Center is also completely clueless.

Hi weppler,
We would like to hear more about your dealer experience and offer our assistance if you are still looking to have this addressed. Please feel free to send us a private message.
Julie
Alfa Romeo Social Care Specialist
 

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Very often it's due to not fully charged battery......
As experiment, put it on a (trickle) charger overnight if you can, and see if that makes a difference .....
This is true as Alfas rely heavily on battery state of charge, it’s not something you can see, your dealer needs to check it on their computer/scanner, anything under 65% should have a new battery installed. Sadly the dealer needs to test the battery first and likely it will come back as good, I have dealt with this before and it’s tough to get authorization for a new battery in this case. My contact at FCA tech has told me they are working on a new battery tester that is more accurate, but for now we need to stay with the old system.
 

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Discussion Starter · #15 ·
Very often it's due to not fully charged battery......
As experiment, put it on a (trickle) charger overnight if you can, and see if that makes a difference .....

If this was the case, wouldn't the s/s begin working after driving for a period of time?
 

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Discussion Starter · #16 ·
This is true as Alfas rely heavily on battery state of charge, it’s not something you can see, your dealer needs to check it on their computer/scanner, anything under 65% should have a new battery installed. Sadly the dealer needs to test the battery first and likely it will come back as good, I have dealt with this before and it’s tough to get authorization for a new battery in this case. My contact at FCA tech has told me they are working on a new battery tester that is more accurate, but for now we need to stay with the old system.
Would it show an error code on the dash if this was the case, or just stop working completely?
 

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This will sound really dumb, but maybe after they did the work, they didn't fully close both latches (both sides) of your hood well. This is what happened with me and my start/stop wasn't working and there was no error lights saying the hood isn't fully closed. Once I fully closed and heard both sides click, everything was automagically back
 

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^Good call, that is possible as well, I’ve seen some only closed on one side, hood is really light.

Would it show an error code on the dash if this was the case, or just stop working completely?
Nope, caused me a ton of grief recently, I tore apart a Stelvio looking into a problem, called tech line after about 4 hours, after more digging we discovered it was a low state of charge. We were both pretty upset that there is no message saying this, it’s especially frustrating since the car will start shutting down systems (in this case rear defrost and heated seats) but give no reason why, so you go the totally wrong direction unless you know about this issue.
 

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same problem here - been driving mostly city/local, worked fine yesterday, not today. In the mornings after startup not working - assume it was too cold 35-39F or car wasn't warmed up???

Best time to utilize any gas savings is in line at Starbucks in the morning... poof

Odd no way to check battery voltage or any indicator that the system is working or not.

Maybe will try driving some highway then see if works but I've rented cheapo cars with start/stop no issues or being fussy.
 

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I live at Lake Tahoe at 6700 ft. My Start/Stop has not functioned in two months. It does seem to have an algorithm that manages the Oxygen content. Last time I went to Carson City as soon as I hit 4000 ft it worked. A lot of these issues may have to do with the systems management of the air mix, temp, etc.
 
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