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Been through this also. It is caused by a low battery condition. Two hour slow charge, clear the code from computer memory and your good to go until it happens again. The ultimate solution is to replace the battery.
 

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Mine is in the shop for the same issue. We believe it is the battery. When fixed will post how solved.

My dealer is awesome.

Hello Alfa Fan 4C and Spider,

Keep me updated on your dealer visit. If any assistance is needed while you're in service, we're only a private message away.

Jasmine
Alfa Romeo Social Care Specialist
 

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Got the car back yesterday afternoon, it was actually ready on Wednesday but I couldn't make it out there before they closed.

They said they followed the codes and it was a bad throttle controller so they replaced it.

The service adviser, Brian, was great as always. He called every afternoon to give me a quick update and set expectations perfectly. Great service and would recommend!
 

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Failure

While driving home on my usual commute route yesterday (Friday), I got an engine throttle control warning, and shortly thereafter, the car (Stelvio Ti Sport with 6000 miles) went into limp mode. There weren't any driveways or side roads nearby, so I continued on slowly while cars behind me were honking. The car began coasting with no power and the error message change to an indication that I would have to stop the car and restart, which is awkward when stalled on one lane of a busy two-lane road. After deploying emergency lights on the road behind me, the car would not start - the starter motor just keep going without engine ignition, even when trying an emergency jumpstart battery. I got to spend the following hour and a half waiting for the quickest tow truck that Alfa could arrange by directing traffic around my car, with only a few near-catastrophes. The car was also stuck in park, so the tow truck had to drag rather than roll the car onto the truck bed. Finally dropped it off at the dealership, where they had no clue but said they would do some diagnostics on Monday. The headlights would not turn off, along with the continued inability to shift out of park, so the service guy said to just let it run down and they would deal with it since it was time for them to go home. Too many people depend on the persistence of my life for me to continue driving this car, but I also have moral qualms about trying to sell a potentially hazardous vehicle it to someone else, so I have a dilemma on what to do. Apart from this catastrophic failure which could have precipitated a serious accident, I completely love the car, though it did have a similar but less comprehensive ETC warning and limp-mode failure on a busy street the day after I got it, which was fixed after two weeks in the shop by replacing the fuel pump. It's been problem free since then until yesterday.
 

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Mine is in the shop for the same issue. We believe it is the battery. When fixed will post how solved.

My dealer is awesome.


Just got it back today.

Battery was issue. Was at 12.44 Volts. Charged back up cleared code no issue. I believe based on Dealer intel - the Stelvio needs a battery with more than 12.6. (after charge I am now above 13).

I had disconnected my battery to try to clear the codes. That made it worse and threw more codes. I recommend against this.
 

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Taking my in tomorrow for Electronic Throttle Control Warning. Let's see what they say.
 

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Taking my in tomorrow for Electronic Throttle Control Warning. Let's see what they say.
Hi Black Stallion,
If you need any additional assistance while working with your dealer, please send our team a private message and we would be happy to connect you with a case specialist!
Alex
Alfa Romeo Social Care Specialist
 

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My Giulia Quadrifoglio has been showing this CEL for a few days off and on. Car drives fine. Malfunction light on also.

I was going to drive to dealer, but they said it should be towed because it might go into limp mode. Car was towed away about 10 minutes ago.

When I called dealer I was told this is normally a battery issue.

Jeff
 

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Update: Had vehicle for 4 days and can't find any codes. Today their going to drive with the scanner plugged in to see if they can make the warning come on. They say the battery is fine.
 

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I’ve had random throttle control warnings as well as auto start/stop warnings. Check engine light comes on as well. I thought it was only after car washes, but has started doing it on days I haven’t washed the car. Today it’s going in to the Alfa dealer, and viola, no more warnings ?‍♂! Hoping there is some record of it in the ecu’s memory!
 

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My Giulia Quadrifoglio has been showing this CEL for a few days off and on. Car drives fine. Malfunction light on also.
So interestingly, I went to AutoZone to get my car’s error codes. I’ve been having the same issues. Random CEL, electronic throttle control, and auto start/stop warnings. Attached is what came up . . .

So glad I am part of this forum! Taking to the dealer tonight.
 

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2 weeks after I bought my Stelvio (one month ago) I got the error message for auto stop start failure/service electronic throttle/service engine, etc. It went away on its own but came back as I was driving it to the dealer. They said it was caused by an ambient temperature sensor in the passenger side mirror so they replaced it and the warnings went away...for 1 day. Then they came back for a day or 2, went away, and then yesterday I got a new one! This time it was the front impact warning (or whatever its called) sensor failure alert. It went away on its own after I parked it for the night. So far it hasn't really affected me but it bugs me that I have to worry about it becoming a bigger problem somewhere in the future, especially after its out of warranty. Right now, it has just over 30k miles on it. I could bring it in to the dealer but then I end up wasting half a day sitting in traffic.
 

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So interestingly, I went to AutoZone to get my car’s error codes. I’ve been having the same issues. Random CEL, electronic throttle control, and auto start/stop warnings. Attached is what came up . . .

So glad I am part of this forum! Taking to the dealer tonight.
Hi Scottlarson737,

Please keep us updated on your dealer’s findings. If we can be of any assistance, feel free to follow up with us via PM. We would be happy to help.

2 weeks after I bought my Stelvio (one month ago) I got the error message for auto stop start failure/service electronic throttle/service engine, etc. It went away on its own but came back as I was driving it to the dealer. They said it was caused by an ambient temperature sensor in the passenger side mirror so they replaced it and the warnings went away...for 1 day. Then they came back for a day or 2, went away, and then yesterday I got a new one! This time it was the front impact warning (or whatever its called) sensor failure alert. It went away on its own after I parked it for the night. So far it hasn't really affected me but it bugs me that I have to worry about it becoming a bigger problem somewhere in the future, especially after its out of warranty. Right now, it has just over 30k miles on it. I could bring it in to the dealer but then I end up wasting half a day sitting in traffic.
Hi stiliky,

Sorry to hear that you are experiencing this. I certainly understand your sentiments expressed here and I do apologize for any frustration associated with your situation. If you do decide to address this with your dealer, we would be happy to assist with that process. We’re just a PM away.

Mark
Alfa Romeo Social Care Specialist
 

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Hi Scottlarson737,

Please keep us updated on your dealer’s findings. If we can be of any assistance, feel free to follow up with us via PM. We would be happy to help.



Hi stiliky,

Sorry to hear that you are experiencing this. I certainly understand your sentiments expressed here and I do apologize for any frustration associated with your situation. If you do decide to address this with your dealer, we would be happy to assist with that process. We’re just a PM away.

Mark
Alfa Romeo Social Care Specialist
Just curious, what would you be able to do if my dealer is taking care of it/looking into it?
thanks, Mark (also Mark)
 

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Update # 2
Had vehicle for a week and can't get any codes to come up. They checked the battery and fuel pressure all came back good. They tell me if it happens again to bring it back in. The problem is when it does come on I have no power at all. I would have to have it towed in and pray that the codes were stored. Just going to have to wait till it comes on again. Very frustrating!!
 

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Just curious, what would you be able to do if my dealer is taking care of it/looking into it?
thanks, Mark (also Mark)
Hi Mark,

Thank you for the follow-up! We would be able to open and escalate a case on your behalf for further assistance as you work with your dealer. What this does is allow us to formally document your concerns, as well as connect you with a case specialist who can work alongside your dealer to find a potential solution to what you’re experiencing. If this would be of interest, or you have any additional questions, please do not hesitate to send us a PM.

Mark
Alfa Romeo Social Care Specialist
 
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