Ford C-Max 2.0 TDCi not starting, no PCM comms immobilizer light flashing. Fault finding and repair.
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- Опубликовано: 12 окт 2019
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Hi
This car came to me from another garage, no crank, no start with the immobilizer light flashing and a message on the dash saying engine systems fault...
When scanning, no communication with the PCM...
Follow me on this video to find out what was the problem and how to resolve it.
Hope you enjoy the video.
Any questions or comments put them below.
Like always, thank you for watching! 
Авто/Мото
I've fixed literally 100s of these. 99% of time it's the cluster. Odd time it is that earth. Usually the earth if it's constant no-comms and when customer says it's intermittent (or problem started intermittently) it's the cluster. First job is always to resolder the connector on the cluster. It still could bounce on you as the cluster has been out and this helps crack the solder anyway. Focus, CMax, Transit etc. all the same from about 05 to 11 (maybe more). Don't worry if you get U1900 code from cluster after a fix as that's just the cluster not liking the added traffic from the scanner. Also, you were right about the ABS thing. A lot of stuff now has high speed CAN for comms and a different line for diag. Good vid 👍
So far so good...
Thank you for watching and for your comment!
I have done about 30 of them over the last couple of years. The solder joints literally crack around the plug. The other common one is the wire that goes from the engine ECU to the bonet fuse box, that fires the efi relay, it corrodes right on the bend in the big T junction where the harness is all taped together below those 2 ground points.
@@threepotMR2 Yeah. It amazes me how many different cars we get in and the wire that seems to corrode the most is the wire the ECU switches to GND to switch the EC relay on. Doesn't matter what make.
@@timmehlittleloud2251 Maybe its to do with electrolysis as it's a continuously loaded wire?? Or maybe someone in the factory is paid to stab a hole in the insulation just so the cars last about 7 years in the British weather :D
Hi I have exactly this problem. AA can’t find the issue. All grounds have been replaced. When you say cluster you mean the dash display cluster? How can I find out if this is the problem? Thanks
Nothing more satisfying than finding that broken wire. Great find and repair . Thanks for the vid
Yes it was...
Thank you for watching and for your comment!
Thank you Sir for this video it was really helpful, at the beginning I thought that it was the PCM you did the right diag to determine the issue.
This channel is one of the best channel I am following.
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Thanks Mustapha!
For watching and for your comment!
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Exactly my problem. Had the air box out as I was doing a couple of jobs and must of knocked a bad earth connector. Sporadically lost comm's with multiple systems at once and knew it was a loom issue. Video sent me straight to the root of the problem.
That's great!
Thank you for watching and for your comment!
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Hi my Ford Focus 2008 is doing the same thing I had locksmiths here and moble mechanics Finally it's at ford and they just got to it and he is saying the INSTRUMENT CLUSTER may be the problem wow I wish it was just a ground wire like what you found awesome!!I seriously enjoyed watching you Thank you Joanne
Hole you get back and running...
Clusters on these are also known to fail at the solder points... and need re-solder...
For most likely will not do that, and will just replace the entire cluster...
Thank you for watching and for your comment!
What an odd place ford placed the ECU. Looks vulnerable to me.
By the way, your fault findings and rectifying is really good. Learnt a lot from your videos. Keep us updated with your new videos!
Thanks!
For watching and for your comment!
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Finally I had the time to watch it mate, busy weekend away with the girls and internet wasn’t brilliant ☺️😊... top job as always and great find 👍👍👍👍
We have all been busy... ;-)
Thank you Igor!
Just to say a big thanks for this video. I've had the same problem on my 2008 MK2.5 Focus 1.8 diesel. I had reflowed the instructment cluster solder joints a couple of times and replaced the the main earth cable but didn't know there was other earth cables underneath the air intake. Three connections all intact but in a bad need of clean. Once cleaned engined started first time. Codes cleared and hasn't popped up again. 🙏
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Have you faced the same issues? Greets from Germany
Well done! Helpful video, hope i can go to your shop one day for my car electronic issue. Thank you & more power....
You never know...😊
Thank you for watching and for your comment!
Great job! always I have come to learn from you. Thanks very much!
Thanks!
For watching and for your comment!
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Thank you, I have a very similar fault on my 10 mondeo mk4, this video gives me something to look for and check! Hopefully I’ll find a bad ground and not a corroded loom
Hopefully...🤞
Thank you for watching and for your comment!
@@LMAutoRepairs hi nr fon ? Pleazz
That was a great fault find to watch ... well done ... very satisfying
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Thanks!
For watching and for your comment!
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This is another great fix. (No parts cannon) And a good video.
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Thanks!
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Thanks I have the same car in shop, similar problem but intermittent. Allready checked battery grounds but not these ones. Not knowing the pcm was in the wheel arch. Will check tomorrow and reply back!
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Hope you find the problem...
Thank you for watching!
Excellent work and very informative. Well.done.
Thanks!
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good video, some very useful information here including from other posters, just shows don't be blaze' about the grounds they're usually a fairly easy check, thank you.
Absolutely!
Thank you for watching and for your comment!
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@@LMAutoRepairs 😅😅
Fantastic content every time 👍
Thanks!
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Great content as always . Sometimes the little things do big trouble , like a bad ground
Absolutely!
Thank you for watching and for your comment!
Fantastic detective work.
Thanks!
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Thank you very much, perfect as always...
Thanks!
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Tanks voor het werk en voor video's 👍
Thanks for watching!
Got to love some of the faults of Ford vehicles. Just found your channel, nice work
Hi
Thanks!
For watching and for your comment!
Hope you have subscribed!...😉
@@LMAutoRepairs yes I have. Perhaps you could have a look at my channel too 😉
@@SYDiagnostics
I will...😉
Absolutely lovely... Great job mate.
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Thanks!
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Great video, had the same problem but with mine it was relay 13
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Thank you for watching!
A very generous gift from a good friend thank you very much for the video
It was a pleasure!
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You forgot to tell us if you still have no comm with ABS in IC live data. Thank`s for videos! Keep it up!
Well... I can only guess you haven't watched the whole video...
Minute 23:55...
Thank you for watching and for your comment!
@@LMAutoRepairs You stated at 23:06 that you will look to see that fault is gone, I tough that you reefer at what you have seen at 14:06. Sorry for confusion.
sorry at 24:06
@@NCC1701E
And when erasing the faults, the cluster shows no faults..
But I think I know what you mean... I should have entered into the IPC and show that there was no faults...
Thank you for another great video!!!
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Thanks!
THANKS MAN, NEW KNOWLEDGE FOR MYSELF.
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Good job. 90% of problems in electronics are their critical contacts.The hardest thing to find is where is this bad contact. Greetings from Ukraine
Agree...
Thank you for watching and for your comment!
BCM is new (build date 2018 and VDO didn't own Siemens in 2007) so I'm guessing by new snap bolts on the BCM cover that Ford already replaced the BCM to cure this problem.
Snap bolts can be drilled to hammer a torx bit into the hole to unscrew. Looks neater
Possibly...
Thank you for watching and for your comment!
Another interesting video, Luis.
Thanks!
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Hi great video very in formative .I have this problem of engine system fault that only occurs when the ambient air temp is above 33 - 40 deg c in our summer time.This has happened now three times from 2019.Has not happened since,as we do not use this focus when its hot.
Any ideas on this particular senerio.
Great investigative work.
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Thanks!
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I have ford smax mk1 2008 2.0 tdci and have this same problem any suggestions where to look and where ecu is located?
what color wires are for ground or if you have link to diagram all help appreciated as ive just been stripping all the tape off the wiring loom in engine bay looking for breakages.
Great stuff as always, top man
Thanks!
For watching and for your comment!
thanks for video, great job.
Thank you for watching and for your comment!
Et voila!!!!! super recherche, i love ford for this😇
Great search for the rootcause hope to find something similar on my 1.8 TDCI 2005
Super
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That's a job well done. I was pretty sure that fault would've been at cluster as they have bad solder joints. Well at least I had mine fixed when dash occasionally died on my Mondeo (then again it didn't do anything with immobilizer, it ran just fine). Btw it's kinda irony that wiring loom connector was in quite angle and wire was short. Connected to shaking engine it just wore out. I'd bet that it would've never happened if loom would've been connected straight at factory. Little things that can kill modern car.
Absolutely...
Thank you for watching and for your comment!
@@LMAutoRepairshi nr fon pleazzz
Loved your video 👍👍
Thanks!
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excellent work partner Alex de Uruguay
Thanks Alex!
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@@LMAutoRepairs are you guys located in london? I got a car in Croydon. It doesnt start. Engine cranks. Cant drive it to garage parked in my drive and to b honest need an honest technician to get it working again. Let me know please if you guys are in london.
Brilliant as usual
Thanks!
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Thank you so much for the video massive help thanks
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Thank you for watching and for your comment!
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Interesting. I have same issues on an 09 1.6 TDCI focus. Appears that PCM is dead. Can't scan it. Car wont start. U2150 DTC. Checked grounds and +12v at PCM. Seems ok. Can see CANBUS at PCM too. I will check earths anyway, but maybe my PCM has died... (Checked IC soldering first but made no difference)
Hello.I also have a Ford Focus C-max from 2006 with a 1.8 engine.I have a problem with the on-board computer and I think you know what the cause is. please help me with some advice.
GREAT JOB SIR! It is same with fiesta 2012 pin out for the ground? My fiesta had same problem,no data,no connection ecu,blinking imobilizer,do you have pin out diagram? Or wich pin out for the ground and positif on the socket should I check sir? Thanks sir!
Yes Sir... @LM Auto Repair ..............Help Us
My Fiesta 2012 1.6 Petrol, had same problem, would you gife the information pin out for the ground and positif on the socket
Clever boy good job!
Thanks!
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I have a mazda 3 1,6 diesel 2011, i was driving it on highway when the car suddenly shuts of and wont start anymore. The engine shakes when i try to start it . Do you have an idea what could have happened?
Ciao grazie tanto per il video ho riparato la mia auto grazie a te mi sono iscritto al tuo canale.
Thanks!
For subscribing, watching and for your comment!
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Thanks same problem or ford focus 1.6 dtci 2005 year.No brocken wire bat corosion probmem.thanks
I absolutely love when you say absolutely lovely ahaha
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Thanks!
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good work ,keep it up.
Thanks!
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thanks for your valuable video! never thought about checking with the other keys! if anyone can tell me, does a power steering failure message and the car not starting on a ford focus 2006 2L TDCI could be the same issue as here, lack of ground? (if I understood the whole video correctly, hey I did watch it twice lol) my car just started doing that, when you put the key in,nothing all dashboard lights turn on and it doesn't start, however if i move the very hard steering wheel around and it clicks as if locked and try to start, it does start sometimes. it was running just fine a few days back though.
Hello have you fix your car I have the same problem which you explained
Great stuff mate...
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Thanks!
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Good job men!
Thanks!
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HIE sir i have a 2008 ford fiesta TDCI duratorq 1.6 , it doesnt start it cranks till the battery runs flat ,this all started when they poured petrol instead of diesel at a gas station , i had the whole engine checked and flashed but never came right when i use EASY start the car starts and idles properly ,driving a few K's it flashes a engine faulty message , can you kindly help me on this i would really appreciate your help
Good job. Perfect.
Thanks!
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Bravo! Stable adherence to the methodology led to the result.
It seems to me that the AUTEL is slower than other scanners. Is this the way it seems?
I look with interest! Denis.
Hi
It is in some cars... But to be honest so is the IDS...
Overall is a great tool...
Thank you for watching and for your comment, appreciated!
Good work.
Thanks!
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Great job freind. ☺
Thanks!
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keep the hard work :)
I do my best...😋
Thanks!
My instrument cluster on my 2010 focus completely lost canbus comms even after resoldering the board and sending it away 2 times to supposedly get 'fixed'. Eventually just changed the instrument cluster from a scrap car and programed it using elmconfig
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Big work. I hate ford system 1600 1800 and 2000tdci bosch or Siemens system have a lots of fail IC gem and abs.
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Thank you for watching!
I have the windscreen been broken and water come through, later on the horn won’t stop, the same day they fit the new windscreen car didn’t work when they connect the computer it’s happen same you have problems every where they check the BCM it’s nothing with it
Do you this it’s the cluster
If not can you help with some one in Livetpool he can help me thanks
My car has the same problem, the light is on and the car is not working
I did the same steps I saw in the video, but nothing changed
please help me
I've just swapped LS 2 liter. And all connectors in right place and tight..but still same problem engine system fault .no communication .anti theft alarm .
Thanks another great video if you could use diagostic that's cheaper ie for scan so d I y e r s can attack the problem without buying a expensive tool love these type of videos was fairly easy but how did u know which where the powers on the ecm if you had not seen wiring diagram thanks
Hi
That's a good point about the scanners...
There is cheaper ones out there that can be really good for DIYers...
Thank you for watching and for your comment!
What happens on your dashboard the temperature gauge soon and see start is goes halfway what causes that
O known its an old video bit still a Great video and insight into troubleshooting. I have a galaxy mk3 2.0 diesel with a non start issue. Has been looked at but no one has an answer. Lights come on but it does not fire. I only hear a click from the rear boot area. I don't know where to start. Over the weekend i will look at the fuses and connections. Any advice is appreciated. Thanks
As you are planning...
Check fuses etc...
Also, check ground points...
I have a video on one with that problem... bad ground...
Thank you for watching!
I would like to ask for some help please .
I'm having wome problem with my w211 e270 . its imported from UK but it has been converted to LHD . Mechanical , engine and trasmision is is fine . But i'm having some trouble with some modules like , door modules , seat adjustment , etc .i guess the electric shop guy messed up the wiring . Looking at WIS/ASRA its hard and not that much easy to undestand . Do you know some trusty source for the wire diagram of this car? . Autodata3.24 , vivid workshop has nothing that helps,Hellagutman is super but not accesable from my country
Well, if you have WIS that's your best option... with no doubt...
I have access to Hella... But not sure if will have everything you want... as sometimes only shows the main systems... Like engine, abs, etc...
Thanks ,very good.
Thanks!
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Sorry to bother ye can get pinouts or digram ford focus mk2 2009 1.6tdci I see that you have power at g4 brown plug can bus and ground and on bottom plug are the same on mine do you where or if in mine thanks
Hi, I have a p060c permanent and a p1000 intermittent on my ford focus c-max 1.6 petrol 2004. It's a big headache. No one could sort it. If you have any hints please, please let me know .
Before this issue, drove perfect *, parked for 10 minutes and after won't start. Sometimes it starts but after 10 seconds the engine stopped without rattle.
Thank you in advance.
Get the ecu reflashed and go from there...
Thank you for watching!
did you see the simplydiag vid the outer day . the tip tipm unit growing via the rear wiper motor
Had cluster checked and ecu and key now checking terminals bcm I had new starter all ok so must be wiring fault reads d900 e510 on cluster
Hi sir, what is the problem of the ford focus 2010, headlight always on, ac not notworking, remote not working
Sorry, I removed the package that is the wheels and cleaned them of oil, now my car won't start. Please, what could be the problem ?
Hi I have the same issue but with no power to any of the ECU plugs. All fuses are fine any ideas what it could be? Thank you
The instrument cluster has been tested by an tech company and has no problems.
Sir I have bmw E60 5series the problem is I replace the instrument cluster and the services lights (brake pads...engine oil.... and others coming yellow Triangle in dashboard how can program it???i am using icom 2
Just flash it as a replaced module... providing the module is the correct part number, should do the trick...
Thank you for watching!
Good work littel problem but made big issue
Thanks!
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Bravo bravo tank voor video
Thanks!
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thank You for that, i got same problem with smax 1.8 125km, do you know where i can find information, which pins are for plus and minus in my case, or they are just the same?thank
They can be different depending on the ecu...
Look for wiring diagrams...
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thank, yes i do, still nothing. @@LMAutoRepairs
patreon.com/LMAutoRepairs?Link&
where do you get the diagram?
Sir what kind of software that you use for wiring diagram and ecu read
Several...
At the moment I also have access to HGS diagrams...
Thank you for watching and for your comment!
Thank You!
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Bonjour quelle son les numéro de pin pour le 12volts
Bravo !
Thanks!
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Hi what is the model number of the reader you are using on the ford?
Hi
Autel MaxiSys MS908P.
Thank you for watching!
love your work,,how do you price your jobs cause I know you probably had a bit of time in these fault finding and time is money especialy cost of equipment
I am doing this as a part time... which is reflected on how much I charge...
Thank you very much, for watching and for your comment!
@@LMAutoRepairs I also mobile diagnostics and invested heavily in traininhg and equipment and we as a group are trying to raise the standards of diag and prices,,there a lot of cowboys in the industry
Great thank you
Thanks Benjamin!
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I have same fault one reading 4v at key
Is it the same location the pcm for a c max 2006 1.8 duratec?
I would say yes...
Easy to check...👍
Got a 2013 Ford C max hybrid. Was running very good one day and died while on the highway. Put a new fuel pump and more gas, now its still not starting. Any help would be appreciated.
Have you scanned the car?
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Hi I have a Ford Focus 2007 TDCI and the immobilize light keep on flashing the dash is giving me a engine fault and water in fuel. It don't start at all. Can you please assist me Sir
Scan the car... and go from there...
Thank you for watching!
Hi what scope are you using in the video thanks
A Uni-T...
My model has been superceded...
Check their website for the new models...
Thank you for watching!
I have high pressure fuel rail sensor problem coming up on my cmax 2.0 titanium. Starts after 3 tries , how reliable is this computer diagnosis ? Thanks
Which computer are you referring to?
Very good very good very good😎
Thanks!
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Brill video. Sadly not the issue with an S Max we have in. Whereabouts are you based?
Far from york... 😉
Thank you for watching and for your comment!
Super!
Thanks!
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Good day, I see you know each other. I have a Mondeo mk4 2.2 tdci. I replaced the battery with a new one and since then the car won't start. On the converse, the immobilizer is active and the engine malfunctions. Forscan won't connect to pcm. Could you help me? Where is the problem.🍻
Check power and grounds to the PCM...
If ok, check CAN lines...
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