Alfa Romeo Giulia Forum banner

Start-Stop Unavailable Warning - Ignore it?

53377 Views 82 Replies 38 Participants Last post by  megahog
I wanted to see if anyone has had experience that would apply to my situation.

2/8- Took the Car in for 50k mile service.
2/12- Check Engine light comes on with a Start/Stop Unavailable message. (Note: This was during our cold snap. The temperature at this point had dropped to -2 with heavy snow.)
2/14- I reached out to the service writer and asked if I needed to bring it in. Response: "The START/STOP feature may not work for several reasons and outside temp is one of them." The temperature returned to normal ranges and the light went away.
3/18- The Check Engine comes back with the Start/Stop message. At this point, it's 49 degrees. A few details from this occurrence I didn't catch the first time:
  • This happened around noon. In driving it that afternoon, I stopped and started the car 4-5 cars and the message remained. ALSO, when this triggered on the highway, the car was in "A" (sorry, purists). With the message, the car shifted to "N" (blue graphic appeared on the nav) and it would not allow me to switch out of that mode. This continued all afternoon.
  • Later, I stopped for dinner and was out of the car for two hours. When I got back in, all was back to normal.
3/19- Contacted the dealer with the details. Response: "The Start Stop feature may not work for about 60 different reasons. Inside temp, outside temp, low battery voltage, hills and many more."

Is this just sh#* happens situation that others have experienced? At this point and moving forward if it happens again, just wait it out and ignore unless it persists? I've kept all communication to email so I have a paper trail. I was within the 50k warranty period when the problem originally popped up, but I'm 1500 miles past now.

Appreciate your thoughts and any related results with this warning.

(Just a comment that this forum has been a real asset over the past year. It helped me get comfortable with my purchase decision and provided valuable guidance on service, parts and validation in my love of driving this car. Thanks to those that run this thing and volunteer your time. It's almost always a welcoming, "no stupid questions" kinda place, and that's become so rare online these days. Thanks for your good work.)
See less See more
  • Like
Reactions: 1
21 - 40 of 83 Posts
first dealer is wrong ss threshold is 65% and it is not reported by ss unavailable message. you had some condition to report as ss unavailable which just didnt ocvured since so after driving a while/a few times ecu treated it as well gone and allowed dna/ss to work. exact dtc code is thoudg stored in one of ecus
first dealer is wrong ss threshold is 65% and it is not reported by ss unavailable message. you had some condition to report as ss unavailable which just didnt ocvured since so after driving a while/a few times ecu treated it as well gone and allowed dna/ss to work. exact dtc code is thoudg stored in one of ecus

Back from the dealer and...they saw no code...but said there was an update TP57. Not sure what that did.. so far so good
Back from the dealer and...they saw no code...but said there was an update TP57. Not sure what that did.. so far so good
If they meant T57 that was a non-safety recall that was issued 3 years ago. It addressed a number of drivability issues. Just do a search on the forum.
I wanted to see if anyone has had experience that would apply to my situation.

2/8- Took the Car in for 50k mile service.
2/12- Check Engine light comes on with a Start/Stop Unavailable message. (Note: This was during our cold snap. The temperature at this point had dropped to -2 with heavy snow.)
2/14- I reached out to the service writer and asked if I needed to bring it in. Response: "The START/STOP feature may not work for several reasons and outside temp is one of them." The temperature returned to normal ranges and the light went away.
3/18- The Check Engine comes back with the Start/Stop message. At this point, it's 49 degrees. A few details from this occurrence I didn't catch the first time:
  • This happened around noon. In driving it that afternoon, I stopped and started the car 4-5 cars and the message remained. ALSO, when this triggered on the highway, the car was in "A" (sorry, purists). With the message, the car shifted to "N" (blue graphic appeared on the nav) and it would not allow me to switch out of that mode. This continued all afternoon.
  • Later, I stopped for dinner and was out of the car for two hours. When I got back in, all was back to normal.
3/19- Contacted the dealer with the details. Response: "The Start Stop feature may not work for about 60 different reasons. Inside temp, outside temp, low battery voltage, hills and many more."

Is this just sh#* happens situation that others have experienced? At this point and moving forward if it happens again, just wait it out and ignore unless it persists? I've kept all communication to email so I have a paper trail. I was within the 50k warranty period when the problem originally popped up, but I'm 1500 miles past now.

Appreciate your thoughts and any related results with this warning.

(Just a comment that this forum has been a real asset over the past year. It helped me get comfortable with my purchase decision and provided valuable guidance on service, parts and validation in my love of driving this car. Thanks to those that run this thing and volunteer your time. It's almost always a welcoming, "no stupid questions" kinda place, and that's become so rare online these days. Thanks for your good work.)

Have you been tinkering with anything?

This happened to me today.
Other included symptoms include.
Doors have persistant red light on lock and will not lock/unlock. And the keyfob button also.

Im pretty sure it's because I enabled foglights in the ECU by accident.

I think that because when I push the headlight button(that I now realize is the rear fogs) the light goes away and the locks work.
I wanted to see if anyone has had experience that would apply to my situation.

2/8- Took the Car in for 50k mile service.
2/12- Check Engine light comes on with a Start/Stop Unavailable message. (Note: This was during our cold snap. The temperature at this point had dropped to -2 with heavy snow.)
2/14- I reached out to the service writer and asked if I needed to bring it in. Response: "The START/STOP feature may not work for several reasons and outside temp is one of them." The temperature returned to normal ranges and the light went away.
3/18- The Check Engine comes back with the Start/Stop message. At this point, it's 49 degrees. A few details from this occurrence I didn't catch the first time:
  • This happened around noon. In driving it that afternoon, I stopped and started the car 4-5 cars and the message remained. ALSO, when this triggered on the highway, the car was in "A" (sorry, purists). With the message, the car shifted to "N" (blue graphic appeared on the nav) and it would not allow me to switch out of that mode. This continued all afternoon.
  • Later, I stopped for dinner and was out of the car for two hours. When I got back in, all was back to normal.
3/19- Contacted the dealer with the details. Response: "The Start Stop feature may not work for about 60 different reasons. Inside temp, outside temp, low battery voltage, hills and many more."

Is this just sh#* happens situation that others have experienced? At this point and moving forward if it happens again, just wait it out and ignore unless it persists? I've kept all communication to email so I have a paper trail. I was within the 50k warranty period when the problem originally popped up, but I'm 1500 miles past now.

Appreciate your thoughts and any related results with this warning.

(Just a comment that this forum has been a real asset over the past year. It helped me get comfortable with my purchase decision and provided valuable guidance on service, parts and validation in my love of driving this car. Thanks to those that run this thing and volunteer your time. It's almost always a welcoming, "no stupid questions" kinda place, and that's become so rare online these days. Thanks for your good work.)

If the light is yellow it means need service.
Lots of things can cause this.

For me...I'm not totally sure it was the cause but I was tinkering with my ECU.
I enabled some features that ultimately didn't work..but ...somewhere between me fucking with it and probably the number of times I disconnected and reconnected the battery cause a hand full of dtc errors.

One that stood out was for the intelligent alternator.....I have no idea if that was the one that caused it but seems likely.

Only the yellow start stop lamp cam on and the car otherwise seemed fine.

I put back all the things I changed except one...(Setbelt dinger) ad did a proxy alignment with multiecuscan and the light was still there..

Then...I went into all the different ECU modules individually that showed errors and cleared them..

Then .....re did the proxy alignment....

Also re-enabled the OEM sgw after all that, which means another proxy alignment....

Turn car off...

Of course you have to move the wheel lock to lock and back to center to make the steering and abs happy on the next start and then restart...

All good so far....
Its only been a few hrs and I haven't see the start stop actually do the thing yet.
Granted it's cold outside and rainy.

We shall see.
See less See more
  • Like
Reactions: 1
Have you been tinkering with anything?
No "tinkering" in the sense that "tinkering" applies in your world. :sneaky:

Hope you've got yours sorted out or will soon.
I was so happy to find this thread. This just happened to my 2017 Giulia yesterday (2/18/2022). Based on all the various comments, I decided to try opening all 4 doors and the trunk then closed them. Problem solved. Alert gone. Check engine light gone. Fingers crossed.
  • Like
Reactions: 3
I was so happy to find this thread. This just happened to my 2017 Giulia yesterday (2/18/2022). Based on all the various comments, I decided to try opening all 4 doors and the trunk then closed them. Problem solved. Alert gone. Check engine light gone. Fingers crossed.
The site is a great resource. Keep it close. Enjoy the ride.
  • Like
Reactions: 2
I wanted to see if anyone has had experience that would apply to my situation.

2/8- Took the Car in for 50k mile service.
2/12- Check Engine light comes on with a Start/Stop Unavailable message. (Note: This was during our cold snap. The temperature at this point had dropped to -2 with heavy snow.)
2/14- I reached out to the service writer and asked if I needed to bring it in. Response: "The START/STOP feature may not work for several reasons and outside temp is one of them." The temperature returned to normal ranges and the light went away.
3/18- The Check Engine comes back with the Start/Stop message. At this point, it's 49 degrees. A few details from this occurrence I didn't catch the first time:
  • This happened around noon. In driving it that afternoon, I stopped and started the car 4-5 cars and the message remained. ALSO, when this triggered on the highway, the car was in "A" (sorry, purists). With the message, the car shifted to "N" (blue graphic appeared on the nav) and it would not allow me to switch out of that mode. This continued all afternoon.
  • Later, I stopped for dinner and was out of the car for two hours. When I got back in, all was back to normal.
3/19- Contacted the dealer with the details. Response: "The Start Stop feature may not work for about 60 different reasons. Inside temp, outside temp, low battery voltage, hills and many more."

Is this just sh#* happens situation that others have experienced? At this point and moving forward if it happens again, just wait it out and ignore unless it persists? I've kept all communication to email so I have a paper trail. I was within the 50k warranty period when the problem originally popped up, but I'm 1500 miles past now.

Appreciate your thoughts and any related results with this warning.

(Just a comment that this forum has been a real asset over the past year. It helped me get comfortable with my purchase decision and provided valuable guidance on service, parts and validation in my love of driving this car. Thanks to those that run this thing and volunteer your time. It's almost always a welcoming, "no stupid questions" kinda place, and that's become so rare online these days. Thanks for your good work.)
I had the exact problem in my 2020 Alfa Giulia. The service people said is was a misfire but they could not replicate my issue, so nothing was done. It has not happened again, but always mindful that it might. I did notice that my gas mileage has decreased somewhat and does not have the smooth pep it once did. And I did also notice that after my first service, car was really not the same. Not sure if that had anything to do with it.
I wanted to see if anyone has had experience that would apply to my situation.

2/8- Took the Car in for 50k mile service.
2/12- Check Engine light comes on with a Start/Stop Unavailable message. (Note: This was during our cold snap. The temperature at this point had dropped to -2 with heavy snow.)
2/14- I reached out to the service writer and asked if I needed to bring it in. Response: "The START/STOP feature may not work for several reasons and outside temp is one of them." The temperature returned to normal ranges and the light went away.
3/18- The Check Engine comes back with the Start/Stop message. At this point, it's 49 degrees. A few details from this occurrence I didn't catch the first time:
  • This happened around noon. In driving it that afternoon, I stopped and started the car 4-5 cars and the message remained. ALSO, when this triggered on the highway, the car was in "A" (sorry, purists). With the message, the car shifted to "N" (blue graphic appeared on the nav) and it would not allow me to switch out of that mode. This continued all afternoon.
  • Later, I stopped for dinner and was out of the car for two hours. When I got back in, all was back to normal.
3/19- Contacted the dealer with the details. Response: "The Start Stop feature may not work for about 60 different reasons. Inside temp, outside temp, low battery voltage, hills and many more."

Is this just sh#* happens situation that others have experienced? At this point and moving forward if it happens again, just wait it out and ignore unless it persists? I've kept all communication to email so I have a paper trail. I was within the 50k warranty period when the problem originally popped up, but I'm 1500 miles past now.

Appreciate your thoughts and any related results with this warning.

(Just a comment that this forum has been a real asset over the past year. It helped me get comfortable with my purchase decision and provided valuable guidance on service, parts and validation in my love of driving this car. Thanks to those that run this thing and volunteer your time. It's almost always a welcoming, "no stupid questions" kinda place, and that's become so rare online these days. Thanks for your good work.)
I have had the same warning come up on my 2017 Giulia three separate occasions. First time the service writer literally shrugged and said "that's an Alfa...". When it does come on I also get an engine warning light, and the car runs rough for about 30 seconds, then it runs fine. Had the battery checked, and it's fine. I also found paperwork from the previous owner that said this had been issue before I bought it. This car is my daily driver, I hope it doesn't just die in traffic one day.
  • Like
Reactions: 1
I have had the same warning come up on my 2017 Giulia three separate occasions. First time the service writer literally shrugged and said "that's an Alfa...". When it does come on I also get an engine warning light, and the car runs rough for about 30 seconds, then it runs fine. Had the battery checked, and it's fine. I also found paperwork from the previous owner that said this had been issue before I bought it. This car is my daily driver, I hope it doesn't just die in traffic one day.

If it makes you feel any better, this issue finally settled out and went away. No idea what "fixed" it, but fortunately it didn't become chronic. 🤞for you.
This could be related to a faulty relay, there were some other discussions about this error
my S/S stopped working after I replaced my battery about a month ago. I don't miss it, would never use it, but the warning light is a bit disconcerting. No check engine or other major warnings, but I do get the lane departure warning isn't working and auto high beam isn't working every now and then. says windshield needs to be cleaned, yet it is perfectly clean. running code eraser didn't help. thoughts
I wanted to see if anyone has had experience that would apply to my situation.

2/8- Took the Car in for 50k mile service.
2/12- Check Engine light comes on with a Start/Stop Unavailable message. (Note: This was during our cold snap. The temperature at this point had dropped to -2 with heavy snow.)
2/14- I reached out to the service writer and asked if I needed to bring it in. Response: "The START/STOP feature may not work for several reasons and outside temp is one of them." The temperature returned to normal ranges and the light went away.
3/18- The Check Engine comes back with the Start/Stop message. At this point, it's 49 degrees. A few details from this occurrence I didn't catch the first time:
  • This happened around noon. In driving it that afternoon, I stopped and started the car 4-5 cars and the message remained. ALSO, when this triggered on the highway, the car was in "A" (sorry, purists). With the message, the car shifted to "N" (blue graphic appeared on the nav) and it would not allow me to switch out of that mode. This continued all afternoon.
  • Later, I stopped for dinner and was out of the car for two hours. When I got back in, all was back to normal.
3/19- Contacted the dealer with the details. Response: "The Start Stop feature may not work for about 60 different reasons. Inside temp, outside temp, low battery voltage, hills and many more."

Is this just sh#* happens situation that others have experienced? At this point and moving forward if it happens again, just wait it out and ignore unless it persists? I've kept all communication to email so I have a paper trail. I was within the 50k warranty period when the problem originally popped up, but I'm 1500 miles past now.

Appreciate your thoughts and any related results with this warning.

(Just a comment that this forum has been a real asset over the past year. It helped me get comfortable with my purchase decision and provided valuable guidance on service, parts and validation in my love of driving this car. Thanks to those that run this thing and volunteer your time. It's almost always a welcoming, "no stupid questions" kinda place, and that's become so rare online these days. Thanks for your good work.)
Did you ever figure out what was wrong? I have a 2017 Alfa romeo Giulia and I am having the same problem.
Did you ever figure out what was wrong? I have a 2017 Alfa romeo Giulia and I am having the same problem.
His post and all the follow-up comments cover a lot of ground. You may want to restate explicitly what issue(s) you are experiencing, what, if known, triggered the issue, and what actions you have taken to try and resolve.
Did you ever figure out what was wrong? I have a 2017 Alfa romeo Giulia and I am having the same problem.
As noted in an earlier post, this issue went away, but there was no specific "fix" that I could tie to it. I know that's no help. Sorry.
Just to add to the information. MY17 had issues in 8/2021 with start stop, check throttle system, and S/S error. Replaced battery, was all good. I went in for my 30k service in 11/2021 and did the spark plug replacement suggested by AR. Now when I start the car, it sounds like it may have a slight misfire, and 1 out of 20 times, S/S will show up unavailable.

Past that, the car has been great! It has taken me a couple years of ownership to get used to the electrical quarks of a Giulia. Thankfully, the car has been very reliable, and never left me stranded. I've had my fair share of frustration rants on the forums, thought I'd share my happy thoughts too :)
  • Like
Reactions: 1
I had start/stop check engine light, no dna change and EML on.
Error code was P1540/12
I changed the ENGINE OIL PRESSURE REGULATOR CONTROL VALVE and all fixed.
Font Auto part Titanium Tool Household hardware
See less See more
  • Like
Reactions: 1
S&s error comes with any engine and ibs error, or even with issue of bonet locks.point is hundreds of reasons possible
  • Like
Reactions: 1
For IPC display S&S error message, as others said (but not dealer), there must be real fault not the condtion (which would not result in the message, just S&S wouldn't kick). One of interesting and quite common condition to have error message is problem with bonet lock - if it does not lock correctly (or switch in the lock is dodgy), you will get that message instead of about having bonet not closed properly. It looks to me bug in firmware they never got corrected (haven't heard about update or newer car which woudl resolve this). And issues with bonet locks and in some cars difficulty of closing bonet (even from factory/brand new cars), are some noticeable percentage of Giulia/Stelvios which require amendment of lock hooks or in some cases even replace of lock/linkage (in Europe there is service news on this replace, possibly equivalent also in US service system)
I can confirm. Just happened to me today. Got the S/S error for the first time. Then noticed that the hood wasn’t closed properly. Closed it and the warning message is gone.
  • Like
Reactions: 1
I washed the car on the weekend and cleaned and dried under the hood. Fired it up yesterday and got the "start / stop not available".. shit! So while I was sitting at the dentist office, I flipped to this forum, did a quick search. After the appointment, I went out and opened and closed the hood properly.. problem solved. You guys saved me from a very embarrassing trip to the dealer 😆
  • Like
  • Haha
Reactions: 4
21 - 40 of 83 Posts
Top