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Old 29-05-2019   #541
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Re: The one and only Dualogic failure thread

Hi @irc @Liblet,

I'm experiencing a similar issues. I purchased my 2013 Fiat 500c TwinAir Turbo 0.9L Dualogic auto through a dealer on March 6th, 2019. Within ten days of ownership, an error came up saying "Check transmission, see handbook". I took it back into the dealership where they said it was activated by a faulty brake pedal position switch which they replaced and cleared the error codes.

Soon after, I had to take it back in after a "Brake fluid level insufficient do not proceed", apparently the fluid level as correct and the error was cleared.

I had an independent mechanic look at it as my stop/start engine wasn't working and there is a delay in shifting from 2nd to 3rd gear. Took it back to the dealership and they replaced the battery and calibrated/reset the clutch.

A couple of days ago, I was driving and my car slipped from 3rd to Neutral at about 45km/ph in the middle of traffic and almost caused an accident which was terrifying. I tried to change gears but it only remained in Neutral. I had to turn the car on and off twice in order to engage 1st gear.

It happened again when I was slowly into my car park and it wasn't until I turned my car on and off again did it eventually engage (managed to capture video of this happening).

It would seem that the "Check transmission, see handbook" error was a genuine warning and I've taken it back to the dealership who are now telling me that they can't find any error codes and as a result, can't diagnose it as they can't even replicate the issue.

I've advised them that I've done a lot of research since the incidents and have found many websites and forums indicating that Fiat have recalled 500 & 500c due to the same issue Internationally but not in Australia. The dealership are telling me that they isn't a technical bulletin released for Australia regarding the issue and that there's nothing to fix. According to the recalls, the dualogic gearbox (accumulator, actuator and pump) need to be replaced.

I'm at the stage where I'm scared for my safety and that of others given the unpredictability of it slipping into Neutral whilst driving. Has anyone had any luck trying to identify/resolve this issue?
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Old 29-05-2019   #542
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Re: The one and only Dualogic failure thread

Hi Davantzis,
Welcome to the dualogic failure club��.
I am currently in dialogue with FCA re the same fault. Are you able to send me a link to where you saw the recall information? I have not come upon this in my searches to date.
We have been told by the dealership that the car is potentially dangerous
I will keep you all posted on how this progresses with FCA.
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Old 29-05-2019   #543
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Re: The one and only Dualogic failure thread

Hi There,

New to the forum, new to driving (we’ll just over a year) and new to having car issues.
I have a 2014 Fiat 500c dualogic, the “check transmission, see manual” has come up every few days. Does not stay on just beeps and is on display but no light on.
My friend has a diagnostic reader and has read it and has no faults showing, car not driving any differently. Any ideas?

Rachel x
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Old 29-05-2019   #544
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Re: The one and only Dualogic failure thread

Quote Originally Posted by Rachel Maryan View Post
Hi There,
Hi and welcome to the forum .

Sorry to hear you're having issues with your car.

The answers, if indeed there are any, are probably all in this thread. The cause could be anything from a loose connection, through a failing battery, all the way up to this being the first sign of an impending major failure. No one can pinpoint what's happening just sitting at a keyboard without sight of the car.

Using a diagnostic reader that's made specifically for your car may show up something that your friend's code reader can't see. A tool like multiecuscan may show up errors that can't be seen by a generic reader.

If you let us know your approximate location, there may be someone here with MES that could check it out for you.

Without wishing to be alarmist, if the light comes on more regularly and you want peace of mind, consider trading in the car. If the actuator does fail, there are no cheap solutions.
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Last edited by jrkitching; 29-05-2019 at 22:56.
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Old 02-06-2019   #545
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Re: The one and only Dualogic failure thread

Quote Originally Posted by Liblet View Post
Hello All,
This is my first post. I have recently bought a 2014 Twin Air with 40,000Km on the clock. I was having probs getting it to from reverse into first without having to turn the engine off. I was told before purchasing it that the gearbox had been replaced while the car was still under warranty and before proceeding with sale I verified this verbally with the Fiat dealership who had carried out the repairs. I was told by phone that a new gear box had not been installed but rather all new components had been placed in the gearbox. I was told this work was under warranty.
I took the car to the dealership who had done these repairs to have the car checked out and was told I need a new actuator at a cost of ~ $AU 8000.00.
I asked the dealership to take this up with Fiat Australia ( apparently Fiat Australia will only allow you to go through the dealership in the first instance). FA has come back and said in the first instance I need to replace the accumulator diaphragm at a cost of $AU845.00.
The service guy is very half hearted in his belief that this will solve the problem.
Has anyone out there had any experience of this?
Thanks in anticipation
Those prices are crazy! Normally replacing the total unit fixes these issues.
There is a new Gearbox Control Unit on ebay currently - https://www.ebay.co.uk/itm/Fiat-500-0-9-1-2-1-4-TwinAir-Semi-Auto-gearbox-Actuator-Dualogic-Selespeed/173921010990?_trkparms=aid%3D111001%26algo%3DREC.S EED%26ao%3D1%26asc%3D20160727114228%26meid%3D6135e c9fae5945609aec9615595d9566%26pid%3D100290%26rk%3D 2%26rkt%3D4%26sd%3D173921029886%26itm%3D1739210109 90&_trksid=p2060778.c100290.m3507

AU$ 1250 / £760 - Shipping to Australia can´t be that much
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Last edited by p6baseunit; 02-06-2019 at 14:12.
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Old 06-06-2019   #546
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Hello can anyone help me, I brought my car 7 months ago a fiat 500 twin air Dualogic 0.9. 2013 only done 20.000 miles, in this time it has slammed itself into N on a motorway doing 70mph and on a dual carriage way and once on a round about, I had a diagnostics done and my mechanic got the code up not knowing much about gear boxes he cleared the code hoping that would solve the issue, which of course it didn’t so I opened a case with the garage I brought the car with, and by then it done it again and my mechanic cleared the code again, but now to have to car fixed I have to have a diagnostics done by the garage I brought it from. And of course the code will now not come up 😩 as this is my first car I’m petrified to drive it and I’m not sure how else I can prove to them my car is defiantly putting itself into neutral.
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Old 09-06-2019   #547
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Re: The one and only Dualogic failure thread

Quote Originally Posted by Dannileaves View Post
Hello can anyone help me, I brought my car 7 months ago a fiat 500 twin air Dualogic 0.9. 2013
There is a new Gearbox control unit above on Ebay for £760 in the UK, get your mechanic to replace the unit.... It's going to be cheaper than the £3000 that Fiat will want!
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Old 2 Weeks Ago   #548
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Re: The one and only Dualogic failure thread

Hi I have a fiat panda 2004 dynamic 1.2 automatic, had robot recently done by this guy as you can see his link on ebay+ kit clucth done. After 3 days it is stuttering on 1st gear and reverse.. Sometimes while on 3rd and 5th gear goes back straight to N, Not always though. He states that he did a full seal changes in the robot etc (read his description on linkl but my car is not working properly no near as to be safe to drive.
Could you help me please?
It is hard to find people to fix as well.

https://rover.ebay.com/rover/0/0/0?m...2F223506870276

I follow Motortech chanell on YouTube as I am Brazilian living in UK, and I have spent already £600 o this panda to fix this
Could you please give me your opinion? I thought after watching videos it could be the clucth index degradation? If yes what software can I get? Thx a lot.
Fiat panda 2004 Click image for larger version

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