Air Bag ECU on a Fiat Ducato 2017 (1 Viewer)

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Jan 4, 2023
2
0
Funster No
93,170
MH
Dethleffs
Just wondering has anyone had the same problem with the ECU light on the dashboard and how can it be repaired or maybe reset.?
Graham
 
Sep 24, 2013
1,341
787
Norwich
Funster No
28,255
MH
Carthago A class
Exp
Since 2014
See my current thread on my ECU failure. Or do a search for airbag ecu.
 
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Dec 6, 2011
11,920
26,404
South Wales
Funster No
19,136
MH
Coach built Adria
Exp
Since 2007
Hi and welcome 🤗

Yes lots have had the same problem and yes it can be repaired and reset in most cases.
There is extensive reading on the forum on the subject. Too much for a simple answer.

Happy reading.
 
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OP
OP
G
Jan 4, 2023
2
0
Funster No
93,170
MH
Dethleffs
Hi thanks for all your help.
Has anyone got any information regarding company’s that can repair an ECU airbag fault for a Fiat Ducato.
Graham
 
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Stealaway

Free Member
Jan 8, 2013
8,496
11,541
Dronfield - Derbyshire
Funster No
24,202
MH
Burstner Lyseo 690G
Exp
Happy FLT since 2011
Crash Data in Liverpool charge around £90.
The ECU is bolted to the floor in front of the starter battery.
New ECU from Fiat will cost around £400
 
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Dec 6, 2011
11,920
26,404
South Wales
Funster No
19,136
MH
Coach built Adria
Exp
Since 2007
Hi thanks for all your help.
Has anyone got any information regarding company’s that can repair an ECU airbag fault for a Fiat Ducato.
Graham
Take a look on flea bay there is one that charges £55.
Look up on YouTube for home to remove and replace the air bag ecu
 
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Des Hickman

Free Member
Jan 17, 2023
2
2
Funster No
93,476
MH
Autotrail Dakota
Hi I am new to this forum but alas am finding that a lot of you have this ECU air bag light problem. I DO,! I have tried al sorts including sending off my unit to Crash Data reset. They reset it and its worked for a year.
I have found that if the warning lights are lit, then after a while ,when the cab warms up that the warning light above the drinks holder ( ducato 2015 model ) goes off. The one on the dash stays on ??? Checked all wire under the seats etc. No good, going to try some contact grease next on the plugs.
I would however like to have a wiring diagram for the fuse box/air bag system, if anyone knows where to download one i should be very grateful.
There seems to be a bit of contention about the power from the battery High/Low so am in process of checking that out.
The positioning of the ECU under the drinks holder??? I am going to try fitting a seperate earth wire to the box and insulating the box itself and leaving it loose in the cab. This area is extreemly cold in winter and it seems to be worse in cold weather.
I have read somewhere that ordinary vans that are being used daily do not suffer this problem. Only vans that are being laid up for long periods ,like motorhomes.
I do agree with people that Fiat should have done something about it but it seems to be the world we live in, make a fast buck with no service following up.
Last year to get it through the MOT i actually put a bit of black tape over the light on the dashboard, it got through, it was only temporary until i found an answere. Which I have NOT , YET, Will let you know my findings.

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MichaelT

LIFE MEMBER
Nov 12, 2015
3,470
6,923
Colchester
Funster No
40,159
MH
Carthago I 143 LE
Exp
Since 2016
Hi I am new to this forum but alas am finding that a lot of you have this ECU air bag light problem. I DO,! I have tried al sorts including sending off my unit to Crash Data reset. They reset it and its worked for a year.
I have found that if the warning lights are lit, then after a while ,when the cab warms up that the warning light above the drinks holder ( ducato 2015 model ) goes off. The one on the dash stays on ??? Checked all wire under the seats etc. No good, going to try some contact grease next on the plugs.
I would however like to have a wiring diagram for the fuse box/air bag system, if anyone knows where to download one i should be very grateful.
There seems to be a bit of contention about the power from the battery High/Low so am in process of checking that out.
The positioning of the ECU under the drinks holder??? I am going to try fitting a seperate earth wire to the box and insulating the box itself and leaving it loose in the cab. This area is extreemly cold in winter and it seems to be worse in cold weather.
I have read somewhere that ordinary vans that are being used daily do not suffer this problem. Only vans that are being laid up for long periods ,like motorhomes.
I do agree with people that Fiat should have done something about it but it seems to be the world we live in, make a fast buck with no service following up.
Last year to get it through the MOT i actually put a bit of black tape over the light on the dashboard, it got through, it was only temporary until i found an answere. Which I have NOT , YET, Will let you know my findings.
See the other thread but Best just to get a new one fitted with a 2 year warranty.
 
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Sapper520

Free Member
Jan 22, 2020
2,879
4,506
North Somerset
Funster No
68,245
MH
No longer own one
Exp
September 2020
Hi I am new to this forum but alas am finding that a lot of you have this ECU air bag light problem. I DO,! I have tried al sorts including sending off my unit to Crash Data reset. They reset it and its worked for a year.
I have found that if the warning lights are lit, then after a while ,when the cab warms up that the warning light above the drinks holder ( ducato 2015 model ) goes off. The one on the dash stays on ??? Checked all wire under the seats etc. No good, going to try some contact grease next on the plugs.
I would however like to have a wiring diagram for the fuse box/air bag system, if anyone knows where to download one i should be very grateful.
There seems to be a bit of contention about the power from the battery High/Low so am in process of checking that out.
The positioning of the ECU under the drinks holder??? I am going to try fitting a seperate earth wire to the box and insulating the box itself and leaving it loose in the cab. This area is extreemly cold in winter and it seems to be worse in cold weather.
I have read somewhere that ordinary vans that are being used daily do not suffer this problem. Only vans that are being laid up for long periods ,like motorhomes.
I do agree with people that Fiat should have done something about it but it seems to be the world we live in, make a fast buck with no service following up.
Last year to get it through the MOT i actually put a bit of black tape over the light on the dashboard, it got through, it was only temporary until i found an answere. Which I have NOT , YET, Will let you know my findings.

Take a look here……..

 
Upvote 0

Des Hickman

Free Member
Jan 17, 2023
2
2
Funster No
93,476
MH
Autotrail Dakota
Just wondering has anyone had the same problem with the ECU light on the dashboard and how can it be repaired or maybe reset.
Graham
Hi Graham.
i had the same issues. I sent Airbag ECU module off to CrashData about 3 Years ago. Came back fitted it and all was ok for a few months over summer. The cold weather seemed to make it fail again.
Problem seems to be one of three things.
1). Unit getting condensate problem when used in cold months. ( very cold in that area when you have heating in the motorhome )
2). Spike on your battery. ( high or low ).
3). ECU failure.
It seems as if a reset does the trick.It Doesnt,? if all the leads under the seat are ok and it has been checked out, YES you can get a fault code, but all it does is wipe the fault off. The trouble persists. £ 80 plus postage. Some one to fit it.?? Its not worth it.
I have found a company who sells the upgraded version for £235 inc and delivered.It covers about 4 ECU part numbers.
I have sent for one and although I have to get someone to program it back into my van, it seems to be the only option. If its an upgrade then hopefully Fiat have got hold of the trouble and sorted it out.
Its due soon so will let you know.
Cheers Des.
 
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Stealaway

Free Member
Jan 8, 2013
8,496
11,541
Dronfield - Derbyshire
Funster No
24,202
MH
Burstner Lyseo 690G
Exp
Happy FLT since 2011
Hi Graham.
i had the same issues. I sent Airbag ECU module off to CrashData about 3 Years ago. Came back fitted it and all was ok for a few months over summer. The cold weather seemed to make it fail again.
Problem seems to be one of three things.
1). Unit getting condensate problem when used in cold months. ( very cold in that area when you have heating in the motorhome )
2). Spike on your battery. ( high or low ).
3). ECU failure.
It seems as if a reset does the trick.It Doesnt,? if all the leads under the seat are ok and it has been checked out, YES you can get a fault code, but all it does is wipe the fault off. The trouble persists. £ 80 plus postage. Some one to fit it.?? Its not worth it.
I have found a company who sells the upgraded version for £235 inc and delivered.It covers about 4 ECU part numbers.
I have sent for one and although I have to get someone to program it back into my van, it seems to be the only option. If its an upgrade then hopefully Fiat have got hold of the trouble and sorted it out.
Its due soon so will let you know.
Cheers Des.
Fiat will charge you around £120 to reprogram it to your van.

I have a mate who has one for his motorbikes. It's 2015 and he has had no problems with his airbag module. He certainly doesn't use it every day or keep it charge particularly well .
I give up :swear2: :swear2:
 
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Sep 3, 2012
7,784
26,718
Cheshire
Funster No
22,759
MH
C Class Elddis 175
Exp
8+ years
Has anyone tried warming up the cab area after a storage period and then starting the van ,with a warm cab ( and warmed airbag ecu) or has the damage been done?

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Aug 26, 2008
4,816
25,898
B&NES
Funster No
3,823
MH
Van Conversion
Exp
since 2007
Has anyone tried warming up the cab area after a storage period and then starting the van ,with a warm cab ( and warmed airbag ecu) or has the damage been done?

The ECU module is under the rubber floor, and in my case there is a cab carpet above that, so you would really need to heat the steel floor somehow.
 
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B Free

Free Member
May 2, 2022
11
32
Funster No
88,425
MH
Rapido 650FF
Take a look here……..

Can we not just buy the "Flash" machine that Crashdata uses and then never have to worry about this issue raising it's head every month? Does anyone know where to look for the hardware and software? Crashdata bought it from someone. I would assume we could too.
 
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