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Old 02-06-2016   #181
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Re: The one and only Dualogic failure thread

Update: Just took the car for a quick test drive (to the shop) myself and as soon as I started the car the mileage started to flash. Went into gear fine and drove well until about a mile when the car started beeping and "N" was displayed on the screen no other warning lights.


I stopped and with the car running I tapped to + and it went into 1st and drove OK. After starting the car back after going to the shop I heard it "clicking" and it seemed to search for a gear for a a few seconds until it found 1st.


Journey home, same thing "Beep Beep" and "N" and again no other warning lights. I will contact a local garage tomorrow to see if they have diagnostic eqpt. and will also get it into my garage and have a look at the fluid level myself (any hints or tips or what I should be seeing would be great)
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Old 02-06-2016   #182
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Re: The one and only Dualogic failure thread

Quote Originally Posted by Broker1 View Post
Update: Just took the car for a quick test drive (to the shop) myself and as soon as I started the car the mileage started to flash. Went into gear fine and drove well until about a mile when the car started beeping and "N" was displayed on the screen no other warning lights.


I stopped and with the car running I tapped to + and it went into 1st and drove OK. After starting the car back after going to the shop I heard it "clicking" and it seemed to search for a gear for a a few seconds until it found 1st.


Journey home, same thing "Beep Beep" and "N" and again no other warning lights. I will contact a local garage tomorrow to see if they have diagnostic eqpt. and will also get it into my garage and have a look at the fluid level myself (any hints or tips or what I should be seeing would be great)
put the car on a stand look below bumper and next to the gearbox through the hole you will see a reservoir with red oil in it. It will show min max so if its below that fill it up. If you see hydraulic fluid leaking from gearbox then you are in trouble, but whatever happens fill up the reservoir to max so you can drive it while you decide on your options. I bet most people who start having problems fill up the reservoir and sell the car to an unsuspecting buyer.


THIS IS TO WARN ANYONE BUYING 2nd HAND DUALOGIC TO CHECK THOROUGHLY THE GEARBOX AND DUALOGIC SYSTEM BEFORE BUYING IT, OR BYE BYE 1000 GBP!
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Last edited by ahmett; 02-06-2016 at 18:47.
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Old 02-06-2016   #183
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Re: The one and only Dualogic failure thread

Thanks Ahmett, that's a great help. I am ok with spanners if I know what I am looking at. May I ask, where is the Actuator (which after research could be the issue) and does this need fluid/oil?
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Old 02-06-2016   #184
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Re: The one and only Dualogic failure thread

Quote Originally Posted by Broker1 View Post
Update: Just took the car for a quick test drive (to the shop) myself and as soon as I started the car the mileage started to flash. Went into gear fine and drove well until about a mile when the car started beeping and "N" was displayed on the screen no other warning lights.
I believe flashing mileage can mean proxy alignment of all the sensors is needed.

https://www.fiatforum.com/500/439281...-flashing.html
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Last edited by Noetic Concordance; 02-06-2016 at 19:13.
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Old 02-06-2016   #185
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Re: The one and only Dualogic failure thread

Quote Originally Posted by Broker1 View Post
Thanks Ahmett, that's a great help. I am ok with spanners if I know what I am looking at. May I ask, where is the Actuator (which after research could be the issue) and does this need fluid/oil?
you don't need spanners to check the reservoir or to see if the actuator is leaking.
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Old 02-06-2016   #186
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Re: The one and only Dualogic failure thread

Thanks again for all of the help and advice. 2 questions:


Could the mileage flashing have anything to do with dropping gears?


Where do I find the actuator and what does it look like?
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Old 03-06-2016   #187
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Re: The one and only Dualogic failure thread

Quote Originally Posted by Broker1 View Post
Thanks again for all of the help and advice. 2 questions:


Could the mileage flashing have anything to do with dropping gears?


Where do I find the actuator and what does it look like?
the actuator is the thing on top of the gearbox = ) its above the reservoir you'll figure it out
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Old 03-06-2016   #188
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Quote Originally Posted by Broker1 View Post
Thanks again for all of the help and advice. 2 questions:


Could the mileage flashing have anything to do with dropping gears?


Where do I find the actuator and what does it look like?
I believe that the flashing mileage indicates an error or miscommunication in the CAN network. Someone correct me if I'm wrong but that's what I've been told previously.
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Old 03-06-2016   #189
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Re: The one and only Dualogic failure thread

Thanks all, So now I possibly have 2 problems!!!! Flashing mileage = CAN Network & Potential Gearbox Actuator issues.......
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Old 03-06-2016   #190
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Re: The one and only Dualogic failure thread

Quote Originally Posted by Broker1 View Post
Thanks all, So now I possibly have 2 problems!!!! Flashing mileage = CAN Network & Potential Gearbox Actuator issues.......
Chances are it's the comms errors causing the gearbox malfunction / sensor error in the first place, sadly all too common with Dualogics. Earthing, wiring or other similar issues can cause quite a lot of comms issues and when the gearbox is automatic and relies on several sensors to function then the car either drops out of gear or won't set off at all.
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Old 06-06-2016   #191
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Re: The one and only Dualogic failure thread

Well, good friend of mine had a look at the car and carried out diagnostics. He has told me that he is 99.9% sure it is a gearbox sensor. This sensor is 279.00 and he will fit it for me. He also rectified the CAN/Proxy issue while he was here. Am I getting away with this lightly (as much as 279 + fitting can be considered lightly)
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Old 07-06-2016   #192
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Re: The one and only Dualogic failure thread

Quote Originally Posted by Broker1 View Post
Am I getting away with this lightly (as much as 279 + fitting can be considered lightly)
Objectively yes if it provides a permanent fix; otherwise you've spent the best part of 300 getting nowhere.

But 279 for a sensor . Beggars belief, and shows that Fiat will charge whatever they can get away with for parts where you have no alternative.

Keeping my fingers crossed for you that this works.
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Old 07-06-2016   #193
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Re: The one and only Dualogic failure thread

Quote Originally Posted by Broker1 View Post
Well, good friend of mine had a look at the car and carried out diagnostics. He has told me that he is 99.9% sure it is a gearbox sensor. This sensor is 279.00 and he will fit it for me. He also rectified the CAN/Proxy issue while he was here. Am I getting away with this lightly (as much as 279 + fitting can be considered lightly)
I was told the same sensor cost 40 (+ labour) for my old car, wondering if they replaced the correct sensor then! I paid 100+ labour for replacing Lambda sensor last year so I guess different sensors can vary wildly in price.
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Last edited by Noetic Concordance; 07-06-2016 at 11:46.
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Old 07-06-2016   #194
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Re: The one and only Dualogic failure thread

Quote Originally Posted by Broker1 View Post
Well, good friend of mine had a look at the car and carried out diagnostics. He has told me that he is 99.9% sure it is a gearbox sensor. This sensor is 279.00 and he will fit it for me. He also rectified the CAN/Proxy issue while he was here. Am I getting away with this lightly (as much as 279 + fitting can be considered lightly)
Might be worth trying one from a breakers yard first? All depending on the labour required for the fitment of course. If it's easy I'd rather chance the lower price first.
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Old 08-06-2016   #195
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Re: The one and only Dualogic failure thread

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