Toyota Aygo - Citroen C1 - Peugeot 107 Dashboard removal + No comms with Immo fix - A799 fault code
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- เผยแพร่เมื่อ 9 ม.ค. 2023
- Here we have a full stripdown guide of a Aygo / C1 / 107 dashboard, to fix an Immobilizer fault - originally it was supposed to be a diagnosis guide for the typical B2799 / B2795 fault code which will either be a wiring fault between the Immo unit & ECU, as it transpires on our first scan it became apparent we actually had a non communicating immobilizer (Fault code A799). If you have an immobilizer fault on one of these & need to know how to remove the dashboard & find the location of the immobilizer unit to get it repaired watch this, it will make life much easier! - to remove the dash takes under 30 minutes when you know how!!
ecuconnection.co.uk/product/c...
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May have to add if anyone else sees the video if you change the key case make sure you take the immobiliser chip transferred to the new case otherwise the car will not start. Thank you so much for the info on the video.
Yes, indeed! Many DIY’ers often have no idea there is a transponder in the case & so exactly this!
*How could someone not watch this video to the end. Brilliant video, experts knowledge. Thank you for sharing. A link to what tools you are using would of been excellent!!! This is the first video of yours I've watched and I am now your new subscriber. Once again thank you!!!*
Hi, thanks for your comment, watching & subscribing! Comments like this encourage me to make more!, good point about links to tools used.. I actually have started doing that on a couple of videos so it more regularly on new vids!
@@JC-ECUConnection Fantastic!!! Thanks for the info. Please keep it up and thanks again.
I have a question. I have bought an original central locking kit for my Peugeot 107. I want to build it in. But where can I find te module central locking box? Where is it places in the car? It looks exactly the same as the box in this video. And the key that i got with the kit is from another car than the central locking box that i got with the kit. How can I connect those too. Sorry for my english, im from Holland.
Hi, the central locking module, if fitted to your vehicle is located under the dashboard on the drivers side approximately above your shins would be if you were seated in the car (This is for UK Right hand drive cars) I am not sure if this is the same for LHD
Hi, Citroen C1 2006, B2799 fault code when scanning under Aygo.
Car was left unused for months so totally flat battery.
Recharged without disconnecting battery.
IMMO recognises keys, but IMMO not synced with ECU.
I'm guessing IMMO got scrambled by the recharge, can it be cloned/fixed?
Yes, this could be scrambled data, first try the re-synch process, if this is not successful then send the Immo & keys to us for checking & file repair - follow the link in the description to our service page….
@@JC-ECUConnection Thanks very much, resync didn't work - I'll do the wiring checks & send you the immo & keys if wiring is OK.
Thanks for the video. My C1 has an immobiliser fault and the engine will crank just fine but it won't fire up at all, even for just a second or so. Do I have it correct that I'd need to send you the immobiliser to be virginised and then I can reinstall it and use a jumper to resync the key and all will be fine? Thanks.
Hi, there is a few very similar faults - firstly you will need to check continuity in the wiring between the Immo & ECU, also check for comms with the Immo - if you have no comms with Immo then you will need to replace the Immo unit, we can clone a replacement - if all the wiring is correct & you have comms with the Immo then the data may be corrupt, we can correct this - please click on the links in the video description to our website for further info.
@@JC-ECUConnection Thank you, I thought I responded to this comment a while ago but it appears not. If I were to send you the original immobaliser and a donor immobaliser, would you theoretically be able to clone the old one onto the new one and then virginise the new one ready to be resync to the keys? I only have an old diagnostic tool and it won't tell me the actual fault code. Cheers.
@@dnalekaw4699 Yes, if you are unsure of the fault & want to cover both bases we can analyse your Immo data & then clone / virginise a replacement unit for you..
My C1 seems to be self virginizing, when left for a day you go to start it and it does exactly what yours did when you put a virgin box on. then starts and runs fine after coding it with the jumper trick. any tips on how to fix it or what might be causing it to self virgin
No, sorry…
My Peugeot 107 has a problem like speedometer in not working when parking lights are turned on can you please share your thoughts on this problem i checked the fuses they are ok thank you
Hi & thanks for watching!.. As for the problem you have there, I’m afraid I have no idea! Possibly a bad earth or a random wiring issue.. probably best to run it to a good auto-electrician to check it over..
Hi I have an immobiliser fault b2795 , I've had an auto locksmith out , he's reprogrammed the keys still non start , we've took the immobiliser control unit out for him to read data and he said it looks ok and have virginalised the car also and still won't start , would this suggest that the control unit is broken? I'm not sure if I should buy a new unit or send the old one off to yourselves? Any help would be appreciated
Hi, thanks for watching!.. firstly do you have comms with the Immo with Diag tools? If you don’t have comms then you will need to substitute it with another Immo & check for comms & then clone the data.. if you do have comms then continuity check wiring between the Immo & ECU…
@JC-ECUConnection thank you for the reply , video is very helpful... wiring all looks ok . There seems to be something draining the battery then knocks the immobiliser out when the battery dies , from what I seen it appears that I have some form of coms like you did in video but still coming up with immobiliser fault , im going to pick up another immobiliser unit tomorrow and get that read and coded. I'm just not sure what road to go down with regards to sending unit off to you or look at what else could cause the problem . I did try phoning today but could only get the receptionist as I wanted to explain what was happening
@@C170784 Sorry we get floods of calls with people wanting me to diagnose cars over the phone, it’s really difficult personally handle the calls, to check for parasitic drain you will need a multimeter & check the amps being drawn at the battery & then systematically remove fuses to see which circuits are causing the drain, there should be lots of TH-cam videos showing how.. Double check the comms with immo unit & go from there…
When the immo is broken, can i get a used one on eBay and put in the bridge for 30mins and it will work ?
I didnt understand everything what you said because of my english.
But the video is very good.
Thanks for sharing your knowledge.
Hi, thank you for your comment.. No, I’m afraid this will not work your keys will not be registered to the secondhand Immo, we can either clone your Immo if you have the old unit (providing the data is not corrupted) or virginise the replacement Immo and add your key data to it (or make new key transponders) & then it can be adapted to your ECU using the bridge wire, (This method is used when the original Immo data is corrupted or Immo has been lost) for more information visit: www.ecuconnection.co.uk - we dispatch to all European countries & the UK
@ECU Connection UK (By JCcars) sorry to but in ..a friend has same issue and his stopped running after the horn started sounding at 6 am ..spark at cylinder 1 but not the others ruled out ignition coils. New plugs etc. New battery . Checked earth's I can see.....immobiliser I'd have said is the issue but how can we be sure ? Could be wasting money. No codes stored here either
Thanks
Hi, an immobiliser issue would generally leave fault codes in the ECU & immobiliser module - although not always as shown here in the video, make sure you have comms with the immobiliser unit & go on from there..
@ECU Connection UK (By JCcars) I'm almost a novice on immobilisers. I know how they work etc. My obd is very basic but no codes though I'm gonna test the cam and crank sensor insitu I've had them both out .
What's indicating a possible fault with those is, when turning over the rev needle don't move . There shouod be movement when turning over
Hej .var kan man skaffa en sånt lång nyckel(5 stjärnig) går det att använda något annat istället, isåfall vad ?
Hi & thanks for watching! - there is a link in the description to a company in the U.K. that sells a bit set (1/4 drive), hopefully they dispatch internationally - I guess you are in Sverige?
Here is the link again:
www.workshopessentialsonline.com/product/5-point-tamperproof-security-torx-socket-set-1-4-drive-9pc-trident-t111600/
Hej.jag kommit åt immobilisator. Det jag tänker på just nu,nästa steg. När jag sätter allt tillbaka... Ska man tänka extra på airbag ?kan den explodera typ? Eller annat att tänka på .När jag kopplar på batterier o sånt. Utan din video skulle aldrig funka,hjälpte verkligen massor för mig som inte ens kör bil.
Hej! It’s not necessary to disconnect the airbag or steering wheel when removing the dashboard - nor is it necessary to remove the battery when doing this job..
@@JC-ECUConnection Tack så mycket för korrekta o snabba svar. Då e det bara att sätta allt tillbaka på sin plats.
Yep, ‘Refitting is reversal of removal’
Have faultcode b2799 on my aygo. Any ideas?
Check as in video for fault codes & comms with immo - check wiring & if necessary check out our services:
ecuconnection.co.uk/product/citroen-peugeot-toyota-107-ayg-c1-immobilizer-unit-key-supply-unknown-brand/
Why is the air bag light flashing? I carnt get mine off..
I can’t remember the actual fault code in the airbag ECU on this job but it cleared with Diag tool after repair - First thing you will need to do is scan the airbag system for fault codes & repair as necessary…
Hoe do you add a second key after this procedure with a virgin immo box?
We add the keys first by writing them to the Eeprom file, alternatively good key programming tool can do it by OBD or you can clone the transponder..
Where would I get a tamper proof ts25
Hi, many people have asked this! - I have updated the description with a link to a trusted UK seller:
www.workshopessentialsonline.com/product/5-point-tamperproof-security-torx-socket-set-1-4-drive-9pc-trident-t111600/
www.workshopessentialsonline.com
I’m buy a c1 with an immobiliser problem and I have no diagnostic gear it will be my first car how should I fix it
Link to fuse tester please thank you
Hi, these are available under many brands & many outlets, eBay etc.. Google:
Sealey AK415 or Durite 0-534-28
Hi there. Im from South Africa 🇿🇦. I have a issue with my Citroën C1 2007 model. I lost my key and got a new one. Linked it ti the immobilizer but doesn't want to start. It crank. I have no Spark and don't hear the petrol pump when I turn the key. Any advise for me please???
Firstly the key transponder must be programmed to the immobiliser, then if it doesn’t start you will need to perform the 30 minute process with the link in the OBD socket as in the video..
@@JC-ECUConnection thank you for the reply. I did that already, still no start.
i also did that still not starting cranking but not starting
@@preveledgegondo8727 how was the transponder programmed to the Immo? By eeprom? What type of transponder was used? Which transponder programming tool was used? What Diag tool are you using for diagnosis? Do you have comms with the Immo? What fault codes do you have? Have you performed wiring tests? If so then what tests have you performed? Maybe if you can give concise answers to all the questions above then maybe I could guide you in the right direction…
Good day. Just to keep you up to date. I got a computer box from a donor C1. The engine light is on now. What I have noticed is that there are no spark and the fuel pump is not switching on. What might the problem be now. Thanks
I have a car with the same problem
It’s quite common for these to have Immo faults!
why i see in some forums that it can be up to 35 minuts and here you say that not from 31 minuts mmm
@@Espinete87 I’ve always had success with 31 mins, as long as it’s over 30 mins then all should be fine, 35 mins should be fine, best to try yourself & make your own mind up on the best timing..
I have tried 30:45 afraid of waste the time (im trying to fix the car of a friend in the street😅) and.... it didnt work😢
So im going to try again😅 becouse i have hope on your profesional video hehe
@@JC-ECUConnectionAfter wait 36:30 aprox it didnt work. But now i have realized that the airbag light ia not coming on. I have tried diferent wires in case of bad contact but... nothing😢
th-cam.com/users/shorts-cm0B3PVvUw?si=KjJ2nekZcGZWIERB
any idea or suggestion?
@@Espinete87 I really can’t say without having full diagnostic scan results & whether or not wiring tests have been performed & if the keys are functioning correctly, it appears the synchronising method you are doing is correct, although this is the last stage of Immo repair that you are doing..