Fiat 500 Airbag ECU Remove repair + refit guide Flashing milometer, Fuel cutoff unavailable no comms

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Do you have a Fiat 500 with the airbag light on along with error messages on the display screen of 'Fuel cutoff unavailable, stop-start unavailable' and the seatbelt buckle light permanently on? - you will also have a flashing mileage display and if you scan the car with an OBD diagnostic tool such as Autel, launch, Snap-on you will have 'No communication' with the airbag module & various fault codes in the other systems such as: U0422in the engine ECU, B10AA, B1053 & U1726 in the BCM, U1726 in the instrument cluster - The fault is that the airbag ECU has faulted & not communicating.
Here we show how to diagnose the fault, remove the airbag ECU, have it repaired & refitted - this is a simple DIY guide that takes less than 1 hour to complete.
ecuconnection.co.uk/product/f...

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11 дек 2022

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Комментарии : 56

@saevusnutrition9247 10 месяцев назад

Thank you so much for this video! Really helped me out! Greetings from Holland 🤘🏼

@JC-ECUConnection 10 месяцев назад

Thanks for watching & for your comment, glad it helped!

@zzhughesd Год назад

Brilliant. Thanks. That’s me. All my lights. All my messages. In the trade. Thanks. Very helpful.

@JC-ECUConnection Год назад

Hi, thanks for your comment & watching, glad you found it useful!

@zzhughesd Год назад

For the cloning service you offer. I have the FIAT 51838580 A2C5333208 out the car - I can buy eBay FIAT A2C5333208 but 51897787, question. Will this clone with mine sending both in. Thanks Dan

@JC-ECUConnection Год назад

@@zzhughesd it would be best to use a matching part number for cloning - if one isn’t available then our recommendation would be the ‘No comms repair’ service we offer…

@colinhamer6506 2 месяца назад

We took a 500L partX. We fitted a used ecu kit for the previous owner as the engine ecu had a fault. There was only 1 difference the kit came from a car with a knee airbag and this car doesn't have one. With the full kit fitted the airbag light was on and only fault was knee airbag. With the original airbag module fitted no faults but flashing mileage and wouldn't proxi align. It's been running fine this way for some time now it needs fixing before we sell it on again.

@JC-ECUConnection 2 месяца назад

That’s the problem with fitting an ECU kit!.. it would of been MUCH better to have replaced just the faulty engine ECU, this could of been easily cloned from your original ECU or virginised.. if you still have the original kit then I would advise you put it all back to original & fix it by doing this.. if you have thrown the original kit away then you’ve made a big mistake!!

@colinhamer6506 2 месяца назад

@@JC-ECUConnection we have still got the original bits that was my thoughts from the start it wasn't my call then though. Can you do the engine ecu repair

@JC-ECUConnection 2 месяца назад

@@colinhamer6506 we should be able to clone / virginise the ECU for you, please visit our website for more information: ecuconnection.co.uk/product-category/services/?filter_type=engine-control-unit&filter_car-make=fiat

@user-jg6vw3em9f 9 месяцев назад

Great repair video with instructions. Just out of interest do you provide a lifetime warranty on the parts repaired like ECU Testing? Cheers 😊

@JC-ECUConnection 9 месяцев назад

Thanks for watching & yes we will match the warranty of other companies!

@rolphbluesky8537 29 дней назад

i have a faulty module were can i get a second hand one for a 2021 abarth

@JC-ECUConnection 29 дней назад

Try EBay first!

@Marco92spv 4 месяца назад

I have stop start unavailable and fuel cut off unavailable. No other warning lights as you have in the video. I have connected a obd 2 scanner, no faults found. Do you think it could be same problem as in the video? Many thanks

@JC-ECUConnection 4 месяца назад

If you are using an OBD2 scanner I assume you are only reading faults from the Engine control module, you will need to use a Diag tool that scans ALL the control modules on the car at manufacturer level & not just the ECM at OBD2 level, particularly check for comms with the Airbag control module..

@Marco92spv 4 месяца назад

Hi, at 11.50 I see that you are clearing the fault codes after installing back in the car? Will it be required if I send the module to you for repair?

@JC-ECUConnection 4 месяца назад

Hi & thanks for watching!.. it’s not essential to clear the fault codes after repair as the warning light will only illuminate if the stored fault codes are ‘Live’ & not ‘Stored’. When we bench test these units they are powered up without having all the components connected so there will be fault codes stored when it is returned to you, it’s bad practice if you or your garage doesn’t clear the fault code after repairs (As with all repairs) - this is because if in the future you have a problem with your car the uncleared fault codes will be misleading later down the line!

@TheCybercrash 6 месяцев назад

Great video. I have the same problem with my twinair 0.9l. What do you think about buying a used one or "new" one from ebay for cheap?

@JC-ECUConnection 6 месяцев назад

Hi, thanks for watching & your comment - Yes you can buy a secondhand unit although they can be hard to find & you need to find the same part number, then you will need to program it to your car either by ‘Proxi aligning’ by OBD (Providing the unit does not have crash data stored) - If you don’t have equipment for proxi aligning & crash data removal we also offer a cloning service for these units, for more info visit us at: www.ecuconnection.co.uk

@TheCybercrash 6 месяцев назад

@@JC-ECUConnection Good to know. Thank you so much for the reply. So I (with my little dongle) and alfaOBD found just U0331 which I've searched for and found your video. How would I know for sure it's the airbag module? (All other error messages I have too, except for the start/stop, but it's always off by choice) Or just send it in and you test for function?

@JC-ECUConnection 6 месяцев назад

@@TheCybercrash if you do not have comms with the airbag ECU, first check fuses & power supply to ECU, if all checks out then you can send it to us for test & repair..

@chriselse515 6 месяцев назад

Will a proxy alignment need to be following a repair and would this cause a battery drain?

@JC-ECUConnection 6 месяцев назад

No, proxi alignment is not necessary after we do a no comms repair, battery drain is usually down to a faulty ‘Blue & me’ module…

@chriselse515 6 месяцев назад

@JC-ECUConnection thanks for the reply this was useful information 👍

@artepark37 Месяц назад

hallo i am from the netherlands and i have a grande punto from 2006 with exact the same issues flashing miles and all airbag lights i went and bought a second hand airbag ecu with the same numbers and is still the same still the u172687 code and showing removed at the proxI so i still have no entrance to the ecu to do a alignment, what can i do next is there a next step i can take or call you guys can you please respond to this so i can know what to do next thank you

@JC-ECUConnection Месяц назад

Are you saying you have no comms with your donor unit?.. if so it’s either a faulty donor or you have a wiring problem - first you will need to check powers & grounds at the ECU plug..

@MrPabsUk 11 месяцев назад

So what actually fails & why? Is it a water ingress issue? I noticed on your car there looked like evidence of a leak on the bulkhead just ahead of the heater matrix ?

@JC-ECUConnection 11 месяцев назад

No, not water ingress on these units - component failure of various items on the PCB, usually due to voltage spikes - flat batteries & jump starts but often they just fail!

@MrPabsUk 11 месяцев назад

@@JC-ECUConnection I see. Mine didn't coincide with any event like jump starting or low battery, it just suddenly decided it was faulty, mid running cycle, & that was that. So expensive for what they are too, so I`m just running with no air bags now.

@JC-ECUConnection 11 месяцев назад

@@MrPabsUk we offer a Europe wide repair service!

@jasonanglia1073 11 месяцев назад

Hi Would these messages on dashboard display also stop car from starting? My daughters car started fine turned off briefly to get something from garage and now doesn’t even turn over, got dash lights saying fuel cut off etc but won’t start? HELP PLEASE

@JC-ECUConnection 11 месяцев назад

A non communicating airbag ECU doesn’t stop the car from starting, you can try the emergency start routine - This involves a sequence of turning the indicators on from side to side, it will explain how in your handbook or Google it. - If this works then it would appear that you have a crash error logged, next step is to get the fat scanned with a Diag tool…

@ErikTheVikingMechanic 10 месяцев назад

Have you found what the problem was at the end? I have a car with the same problem Fiat 500

@nguyencongkhoa1901 25 дней назад

Hello I have a faulty SRS module of fiat 500, no communication . My ECU is the aluminium case type. I replaced new Atmel A2C00024016 but it not working. I replaced 2 other new chips but it still doesn't work. And I replaced with Atmel A2C00024016 of SRS HONDA CRV, it working. So, Does it need to program this ? or is just a power supply processor ? Thank you so much!

@JC-ECUConnection 25 дней назад

The problem is usually the Atic chip, sadly the new replacement chips that are available for the aluminium cased ECUs are not genuine & simply don’t work! - I have tried a few (Chinese) suppliers & theyre always dud!.. If however I salvage an Atic from a known good board then they come back to life, no probs!.. Try replacing the Atic from a known good board & see how you get on!

@nguyencongkhoa1901 25 дней назад

@@JC-ECUConnection Thanks for this video and your answer ! I will try replace Atic chip from a good board. Have a good day!

@julianjames 4 месяца назад

Hi my car has the exact same symptoms, I’ve used a cheap ond scanner and it didn’t pick up any faults so I’m assuming it only reads engine ecu, would it be worth getting it scanned in a garage or just go for the module ? I’ll send it in for a check and repair just don’t want to pay the extra in a garage if I don’t need to…. Great video by the way 👍

@JC-ECUConnection 4 месяца назад

Thanks, & thanks for watching!.. you can send it through for testing before we go ahead with the repair to confirm your diagnosis, no problem!

@julianjames 4 месяца назад

Excellent I’ll get it off tomorrow and in the post

@julianjames 3 месяца назад

Hi just an update refitted the module today and everything is now working spot on…… thanks 👌

@JC-ECUConnection 3 месяца назад

Hi, thanks for letting us know… it’s always good to get feedback!

@donniesteele9837 Год назад

Does this work the same as Fiat punto too?

@JC-ECUConnection Год назад

Yes, these are almost identical systems to the Punto’s of the same era…

@defineofficial5794 Год назад

Hi, May I know where are you based? also, My car is currently based in Malaysia as I've imported it from the UK. Do you recommend me purchasing a used Airbag ECU model or send my current ECU model for repair? Thanks.

@JC-ECUConnection Год назад

Hi, we are based in Norwich England, if your airbag ECU has a plastic case then we recommend a repair, if your ECU is the aluminium case type then we recommend replacing, we can assist you with either of these options by post, sadly we only dispatch within the U.K. & E.U

@defineofficial5794 Год назад

@@JC-ECUConnection Right. How may I contact you as I am currently based in the Northern Ireland, Belfast. I can ask a relative of mine to ship it to me here and I may post it from Belfast.

@JC-ECUConnection Год назад

@@defineofficial5794 Hi, you can order directly from the website: www.ecuconnection.co.uk & contact us via the website contact details - sales@ecuconnection.co.uk Thanks

@lintonlewis4615 Год назад

How much does tgis cost? My mrs car had this happen last week

@JC-ECUConnection Год назад

Please follow the links in the description to the website for latest prices: www.ecuconnection.co.uk

@nikkishewan115 7 месяцев назад

Evening. My car has the airbag warning light on and now ECC warning light along with hill hold control not available and low tyre unavailable warning. Any idea if this is all linked to air bag ecu?

@TheLoneRanger1992 Год назад

Damn £600 to repair an part? I only tried to re fit my cigarette lighter back in an this happend to me car wont start etc I really hope it’s not going to cost this much

@JC-ECUConnection Год назад

It costs around a 3rd of that to repair a unit, although if your car is now not starting it’s most likely something else, as these cars run fine without the airbag ECU connected. First things to check are the fuses…

@TheLoneRanger1992 Год назад

@@JC-ECUConnection ahh ok well I only messed with the cigarette lighter amd radio and it happend Iv looked for a reset button everywhere but cannot find one it’s a 2013 would it be that sequence of indicator then ignition off etc to reset it?

@JC-ECUConnection Год назад

@@TheLoneRanger1992 there is a sequence to start the car after it has had a collision using the indicators but I would be surprised if this will help in your case here. The sequence is detailed in your handbook or you can easily find it on Google, if it does start with this procedure then it would appear somehow you have crash data stored in your ECU, in which case we can easily reset it for you..