The system has turned off the brakes while driving - Alfa Romeo Forum
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(Post Link) post #1 of 15 Old 4 Weeks Ago Thread Starter
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Stelvio 280hp

The system has turned off the brakes while driving

On 6 May 2019, the car landed in Car Servis of Alfa in Austria, 1000km from home. I was returning with my wife and son (3 years old) from holiday in Italy. In Austria, when I was leaving the parking lot, I pressed the brake and did not brake - a total lack of reaction. The system briefly informed me that the brakes and all other safety systems were turned off. The brake pedal hardly responded, I took off the steering wheel and returned to the parking lot. Without a brake it is hard to stop but it worked because I was not driving fast and the parking lot was empty. The engine was running, the gear shifted so I could speed up to as much as I wanted. I was lucky that I was going with my family because I would normally push more gas - what would happen then? could I write something about it for you?
Stelvio 280hp from December 2018 traveled to the point of failure 12k. Stelvio is still In Austria. My Wife does not want to get in that car anymore. I also . And you? I would like to gladly let this car engineers who allowed such a failure to carry his family. I would dismiss this "car" to anyone for free, but I do not want to have anybody on my conscience.

Assistance organized a cartransport to service and hotel, then a replacement vehicle, and on 3 days we left Austria - praises them for it, and I had stress because it was late and cold and after 4 hours of failure we were in the hotel around 11:00 PM

The Alfa Service does not know what happened , nobody knows anything - and I do not trust this "car". The service did not let give me this car to drive anymore, they are making more tests , reports etc to find out what happened.

Sell ​​it? and if someone kill you because of failure of brakes? but how to sell with such a story in Service history? does it still have value?

Repair? - They will make a hole in the floor and attach instructions from George Flinstone how to brake when the system turns off the brakes.

There was really a lot of time from the event. The producer had a lot of time to react properly - in the meantime nothing.

I am writing to you, because my conscience does not allow me to keep this event for myself.

I am currently working with online users in my country to find out what is the issue with Stelvio and is it happened to some one else .
Be careful.

Read more: [Stelvio] System wy??czy? hamulce w czasie jazdy
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(Post Link) post #2 of 15 Old 3 Weeks Ago
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Leaves me a bit bewildered... The System is point to point hydraulic, not fly by wire. Can't imagine anything that can cause such a failure, even if the electronics go berserk... Odd!!

Good you and your Family got away safe and sound
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(Post Link) post #3 of 15 Old 3 Weeks Ago
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Originally Posted by ZAR939 View Post
Leaves me a bit bewildered... The System is point to point hydraulic, not fly by wire. Can't imagine anything that can cause such a failure, even if the electronics go berserk... Odd!!
I thought the Stevio, in all versions, was brake-by-wire (with hydraulic back up should the electrics fail)?

Andy
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(Post Link) post #4 of 15 Old 3 Weeks Ago
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Quote:
Originally Posted by Andy Bowden View Post
I thought the Stevio, in all versions, was brake-by-wire (with hydraulic back up should the electrics fail)?

Andy
yes, hydraulic back-up. So not possible for brakes to fail completely, would obviously not be allowed by certification......

see MK c1
https://www.continental-automotive.c...ctronic-Brakes
https://www.continental-automotive.c...c-Brakes/MK-C1

and (slow link) :
https://www.giuliaforums.com/forum/6...tml#post742162

The handbrake also works as emergency brake....

Last edited by jwq; 3 Weeks Ago at 17:03.
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(Post Link) post #5 of 15 Old 2 Weeks Ago
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I can not judge what happened to your break system. I beliefe that the situation was scaring and I would squeeze my dealer and AR in your country to repair it or to take back the car (if you have bought the car officially!).
However I experienced on my Stelvio an other feeling with the brakes which maybe is comparable. When the brakes are cold and the car moves very slow, e.g out of Garage etc. the feeling when breaking is like zero. Is is like two irons without breaking power. As soon as the system is slightly warmer ore the speed higher all is ok. I assume that the reason is the very special breaking system of the Giulia / Stelvio.
There might be an other possibility which I know in fact from older cars: when you park the car with very hot breaks the breaking fluid can produce air bubbles which will for a short time stop the braking system. When a little bit cooler, it stops normal.
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(Post Link) post #6 of 15 Old 2 Weeks Ago
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Like already said. Not possible for the brakes to fail completely. Even if all electrics explode you still have brakes.
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(Post Link) post #7 of 15 Old 6 Days Ago Thread Starter
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Originally Posted by kgb View Post
Like already said. Not possible for the brakes to fail completely. Even if all electrics explode you still have brakes.
after month of searching of issue in my car a specialists has find out overheated fuse socket for abs in box section undrehood on left side. when you remove this fuse you will get the same issue with lack of braking and really soft braking pedal. it should be hard pedal and brakes should work hard but with strong respond.
I will continue later on when I will get more news.
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(Post Link) post #8 of 15 Old 5 Days Ago
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I know whole story, as PM writes more on polish alfaholicy.org forum as well as I talk with him by phone 3 times already. interesting in information not presented here is that Austrian dealer cleared errors and said car is good to go. With rejection from PM car was send to Poland, and there (luckiliy it was quality dealer which for 20 years sells Merceced and Jeep, not one of most which sells mostly Fiat (Ducato and Panda)), and they identified the issue with fuse contacts.

In one hand it is good that there is at least confirmed way of reproducting the issue and that they seen overheated contacts. Scarry thing for the moment is how are our cars doing in tersm of this critical connection? Should we look ourselves to see if all looks grand there (no oxidation/overheat signs) or better do not touch?

Other story is FCA response. Immediatelly after the issue was reported on forums by PM, I filled the form on FCA contact website to get FCA comment on this. As far I even haven't heard even something like "we need investigate first and contact you; we treat this serious etc blablabla" - they keep totally quiet.
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(Post Link) post #9 of 15 Old 3 Days Ago
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Quote:
Originally Posted by oktopi View Post
after month of searching of issue in my car a specialists has find out overheated fuse socket for abs in box section undrehood on left side. when you remove this fuse you will get the same issue with lack of braking and really soft braking pedal. it should be hard pedal and brakes should work hard but with strong respond.
I will continue later on when I will get more news.
If you and when can, it would be useful to let us know the number of the fuse affected.

Andy
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Originally Posted by Andy Bowden View Post
If you and when can, it would be useful to let us know the number of the fuse affected.

Andy
just guessing, but F01 (70 Amp) is for the ABS unit ....
(and F04 40 Amp for ABS module fans ? )
At least on the giulia

POWER-DISTRIBUTION-CENTER---FRONT-LAYOUT.pdf
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fyi, tomorrow dealer will be trying breaking force on rolling road/dyno for oktopi's car with fuse removed- all is to check if the backup system in our cars is sufficient, as currently even dealer have doubts as far as oktopi advised me over phone. oktopi promissed to find out which fuse is it to cause main breaks disable.we will keep you updated.
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(Post Link) post #12 of 15 Old 8 Hours Ago
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I got a call from oktopi, situation is not clear. Car was delivered to dealer he bought the car in Cracow, but he lives 300km away, so all as far as only communicated by phone with the dealer service. Today oktopi visited in person the dealer, and he said that the break pedal behaviour after removing the fuse is nothing similar to what he and the recovery guy in Austria experienced - the break pedal worked from the start and there is breaking (of course much weaker as without support of BSM module).
Dealer says car is good, they examined all pads/discks etc and there is breaking with electronics not working. Question is how the hell he could experience completely different behaviour of breaks when the issue happened in Austria?

The other odd thing is that according to octopi (info from polish service) Austrian dealer (I know it is dealer from Innsbruck) rejects to provide any documentation regarding the issue/repairs they did to polish dealer, and not much (or nothing) put into FCA service history database.
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There is something very very unclear in this case...

Good to know that we still have brakes with all electrical stuff going south.
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I was told by the salesman at handover that ,itís never been needed yet, but just to use the parking brake switch if the pedal does not work.
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Originally Posted by cue2 View Post
I was told by the salesman at handover that ,itís never been needed yet, but just to use the parking brake switch if the pedal does not work.
But if there is no power ?
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