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Old 04-06-2017   #331
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Re: The one and only Dualogic failure thread

Quote Originally Posted by FIAT 500C AUT 2010 DK View Post
Hello everyone!

I am from Denmark and used to be for a short time happy-trouble-free owner of my little FIAT 500C. It is from 2010, made some 98k km, and I bought it used from dealer last year, perhaps that was my big mistake.

Cars are very expensive here in DK and automatic gear (duallogic) is even more pricy, but also hard to find (not popular) within Denmark.

Sorry for such a long post and thank you for any feedback. See files attached.

Will keep you posted.
How did you get on with this? Is it Fixed?
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Old 04-06-2017   #332
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Re: The one and only Dualogic failure thread

Hello everyone,

The car was fixed and works ok until now. Thank you for all of your hints and support.
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Old 04-06-2017   #333
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Re: The one and only Dualogic failure thread

Quote Originally Posted by FIAT 500C AUT 2010 DK View Post
Hello everyone,

The car was fixed and works ok until now.
Great news, did the garage tell you what was wrong?
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Old 05-06-2017   #334
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Re: The one and only Dualogic failure thread

Quote Originally Posted by p6baseunit View Post
Hi Tony,
Any idea on which bushes can be used? Do you have any links?
Many thanks
You need the denso pump number to order the correct brush set for your vehicle.
This small electric pump works hards to maintain the high hydraulic pressure to operate the clutch and gears.
The common fault with the pump is a blown fuse which is best to replace the complete pump and fit an additional earth strap to the unit.
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Old 13-06-2017   #335
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Re: The one and only Dualogic failure thread

End 2016 we got problems with our 500 1.2 Dualogic (63.000km)

Problem was a leaking rubber ring

I got this fault codes in Multiecuscan (see thumbnail)



And I made a log file you can see it goes out of fifth gear into Neutral



It was due to a faulty rubber seal ring (I dont know the exact English translation)

Here some pictures I bought a dualogic and installed it together with my brother in law









Now it functions smoothly
Attached Thumbnails
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Name:	20161203_152538.jpg
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ID:	181466  

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Old 14-06-2017   #336
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Re: The one and only Dualogic failure thread

Quote Originally Posted by ertromp View Post
End 2016 we got problems with our 500 1.2 Dualogic (63.000km)

I bought a dualogic and installed it together with my brother in law

Now it functions smoothly
Did you replace the whole unit or just the actuator?

How much did it cost you and how long did it take you to fit it?
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Old 14-06-2017   #337
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Re: The one and only Dualogic failure thread

We replaced the whole unit ourselves. Actuator and hydrolic unit.
It take 3 hours for removing and installing and checking with Multi ecuscan
The unit (new) price for me was €800,- icluding taxes
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Old 16-06-2017   #338
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Re: The one and only Dualogic failure thread

Thanks for the reply/feedback - seems a straight forward cost effect fix that has bugged a number of people on here... As are as I am aware its a straight forward repair for the average DIY mechanic.
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Old 14-07-2017   #339
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The one and only Dualogic failure thread

Bought my wife a fiat 500 automatic a 12 plate. Recently as we are driving along it beeps and tben goes into neutral! We had it in the local garage , but they couldn't find the problem, if a yone has any ideas would love to hear them. We live in Fife Scotland. Many Thanks.
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Old 15-07-2017   #340
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Re: Automatic

Quote Originally Posted by alconn View Post
Bought my wife a fiat 500 automatic a 12 plate. Recently as we are driving along it beeps and tben goes into neutral! We had it in the local garage , but they couldn't find the problem, if a yone has any ideas would love to hear them. We live in Fife Scotland. Many Thanks.
hi, and welcome,

the FIAT term for the semi auto's is "Dualogic",

there are MANY threads covering this type of issue,
I'll try and link to a couple.

garage should have checked the level of the fluid tank, then scanned for fault codes..??

Charlie
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Old 15-07-2017   #341
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Re: Automatic

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Old 15-07-2017   #342
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Re: Automatic

Quote Originally Posted by alconn View Post
Bought my wife a fiat 500 automatic a 12 plate. Recently as we are driving along it beeps and tben goes into neutral! We had it in the local garage , but they couldn't find the problem, if a yone has any ideas would love to hear them. We live in Fife Scotland. Many Thanks.
Hello and welcome.

Sorry to hear you've got a problem.

Unfortunately this is my no means unusual (we're on page 23 now).

As already said, the first thing is to have it properly diagnosed and any fault codes read. It's unlikely that a general purpose garage would have the specific knowledge and equipment to do this; you'll need a franchised dealer (expensive) or an independent Fiat specialist.

If the fluid is very low, topping up might provide a temporary cure, but low fluid is usually an indication of other problems and it may not stay fixed for long.

How long ago did you buy this car?
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Last edited by jrkitching; 27-07-2017 at 08:36.
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Old 15-07-2017   #343
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Re: Automatic

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Old 17-07-2017   #344
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Re: The one and only Dualogic failure thread

Quote Originally Posted by alconn View Post
Bought my wife a fiat 500 automatic a 12 plate. Recently as we are driving along it beeps and tben goes into neutral! We had it in the local garage , but they couldn't find the problem, if a yone has any ideas would love to hear them. We live in Fife Scotland. Many Thanks.
You have a Fiat / Alfa specialist garage near you - http://www.mclennansgarage.com/fiat/
They come recommended from the Alfa forum I notice and if they are used to the selespeed autobox actuators on the Alfa's they shouldn't have too much issue with your Fiat Dualogic box, which is basically very similar.

Then assuming the actuator isn't leaking oil it could be that the pump is no longer able to keep the pressure up.

The bottom line is the pump is available from Shop4parts at 420 + vat or the actuator is 632 + vat delivered next day anywhere in the UK or for a few extra pounds anywhere in the world. Any half decent mechanic or experienced DIYer with some Fiat/Alfa experience and access to MultiECUscan + a couple of litres of TUTELA CS SPEED oil should be able to sort this out in 2-3hours once they have the parts to hand.

Generally the Dualogic box does seem to begin to cause some trouble around the 5-7 year mark - but if you are clever and source the parts yourself as above (once the diagnoses has been done) and get a Fiat/Alfa specialist to fit them then the gearbox should be trouble free for some time.

Automatic gearboxes are generally not as reliable as their manual counterparts - I was recently fleeced for thousands to fix the autobox on a Honda CRV at 5 years, so this isn't a Fiat issue per say and a dualogic replacement is much cheaper than the 4000+ that Honda had off me.

Unfortunately Fiat don't provide any service items for these hydraulic (dualogic) units and then dealers will replace the whole units after much mucking around which shows they don't have much experience with the dualogic set up.
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Last edited by p6baseunit; 18-07-2017 at 00:13.
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Old 17-07-2017   #345
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Re: The one and only Dualogic failure thread

Also reconditioned complete units are available here for 475 (375 + a 100 deposit if you return your old unit etc) - http://www.ebay.co.uk/itm/Fiat-500-S...MAAOSw8d5ZV7PU

States he will fit it and program the ECU for 50 - Think this should give you the idea that these units are not that much of a big deal to swap out!
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