Citroen C4 Picasso Various Faults Gearbox ECU CAN communication Diagnostic Inspection
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- Опубликовано: 9 фев 2025
- Cleaning the 12v electrical feeds from the power supply fuses at the battery
codes
U1208 CAN COMMUNICATION WITH ENGINE MANAGEMENT ECU
U1109 COMMUNICATION WITH GEARBOX ECU
U1313 NO COMMUNICATION WITH ABS ESP
B1623 FAULT IN IGNITION RELAY
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I love the no parts required videos, very satisfying.
Great video. Had a problem with my Automatic Gearbox not selecting any gear on my Grand Picasso,and basically broke down. AA came out. And found grease had been applied to terminals that carry the signal for selecting. Probably by a trainee mechanic at the garage I use. Seeing your video I presume it was those terminals you worked on. Will be going back to my garage soon. They are a good garage usually. Thanks for video.
good explainatory video. I will clean all the fuse connectors and see my electrical fault goes away.
Thank you
Thanks for this video! Mine Citroen is the exact same! Gonna see how bad my connections are. I only replaced the battery thinking that it was the battery
Love the content keep it up man. The little details make all the difference.
Great video! I had those errors and simply disconnecting the battery for 2 hours the problem was solved.
Good shout this. I'm getting an electrical circuit fault on my Diesel BlueHDI 1.6 that started as an intermittent issue, now it's become permanent and is also draining the battery. If i dont drive the car for 2-3 days its dead. Already had a new battery fitted, still same issue.
Spent lots of time looking up the problem online and a lot of it points to the management unit that you stripped and cleaned. Its due in the garage for service and other repair work but i might take a look at this beforehand.
Thanks for the video.
Could you find the problem for your issue? I have exactly the same issue like you that the battery is dead after 3 days.
I've been waiting all this time to get it in at a Citroen Dealer (wait times round my area are a joke). I've been told by a separate garage that it will be the Battery Management Unit. So being told that and my own research makes me think it is 99.9% the cause. Citroen also said the same when I told them about the fault and the symptoms.
I did what Jimmy did in this video for the plugs and no change. The unit has a relay in the middle which as far as I know isn't replaceable. It's going in this Friday for this to be sorted along with some other issues, so once I hear back and it's resolved, I'll let you know.
@@jamieilikeitSame in my area! Let me know if it was a problem. Thanks
@@AlexS-cp9no
Hey, so was this unit causing the fault (as suspected). Issue is now clear. No more beeping at start and battery drain 😃 Total including diag, parts and labour £666.71. mine was done with Stellantis but it will be roughly same price with other dealers. Hope you get it sorted. Still an eye watering amount for essentially a fuse box 😭
Brilliant tip. I've recently seen an intermittent U1109 code myself, and given that there's no failures or faults found in the gearbox ECU, I thought it might just be something not getting a good connection somewhere. I've had various other U codes (U1218, U1318) from time to time and they often go away for weeks or months on end. I wonder if it might all be down to this.
U1109 çözüm oldu mu ?
Short ,precise, thank you
Hi really useful video, thanks. is there a way of bridging the feed to bypass the relays to test if the unit is faulty, I've seen a video of this on a different model of Bpga so just wondered if its possible?. thanks Alan
Was this sorter woth just the clean?
Hi I have a problem with my citroen c4 picasso 2015 the battery is draining overnight could this be the problem or the actual battery management protection unit.
Thanks
Would vasaline help stop corrosion on the terminals? Helps with the battery. I can't see why it wouldn't work in this case .
A swipe of copper grease
My Grand Picasso -14 wont go from N to A or R...or M. Garage say they need to change the clutch. Sometimes it works after I've disconnected the + on battery. Is there a way to bypass the signal so I can shift gear so I can drive it to the garage?
Usually for this fault you need to repair the selector contacts, see videos about this on youtube. you could DIY or go to a shop and charge you a lot for it
El control de ese reley es por pulso negativo?
Hi can you tell me what scanner you can use on the Citroen picasso C4 with fee updates no subscription. Thanks
Launch UK CRP129 EVO
@@ORileysAutos
Thank you 👍
Topdon is also a good alternative diagnostics that works for me. Getting the ad800bt is lifetime subscription and does things like resetting the gearbox etc.
I am looking for some help my citreon grand c4 Picasso will only start in reverse any answer why
Hi im having tha same problem on my c4 picasso (2012 plate) new battery still no joy, i replaced the handbrake switch as this was one of the faults displaying...still no joy. The warning lights only seem to come on when im at 70mph on the motorway. Any ideas would he a great help 👍
I have the same issue now. Did you get it fixed? Thanks.
Hello Mate, my Citroen C4 Picasso semi-automatic sometimes doesn't reverse but it drives fine.
Usually for this fault you need to repair the selector contacts, see videos about this on youtube. you could DIY or go to a shop and charge you a lot for it
Can anyone please explain (or show a video) how to remove the plastic cover of the BPGA unit in order to access to fuzes?
I'm trying to pull it upwards but it doesn't come out.
How many years has Jimmy had the battery on this car? Do you reset the settings when you change the battery? what do you know about this parameter BsBatType????
Fair play to you
How do you get the plastic cover off. I've taken the two bottom retaining bolts off so the unit can move freely, but I can seem to separate the unit so the wires become exposed. Thanks in advance.
Hi, I’ve run into the same issue, did you manage to get this cover off?
@@thetakenalpha3301 ye, there are two torx screws on the back and one one underneath on the front. It was this one I was having difficulty with. It was hard to see. Once you remove all three and a couple of wires, there are 4 plastic clips on each corner than you separate.
Thank You
Changed egr and bosh glow plugs real pain in ass to get to 😢😢😢😢😢
A dirty dusty engine bay. ☹️
Leo Trace
Have citroen dispatch 2.0hdi no communication with can no wakeup on ecu will not start in morning changed cam and crank sensor fuel filter new starter 2.2kw new battery 80ah new fusebox lost fuel pressure overnight the van is posested by demons U1118 Communications On The Comfort CAN. No Communication With The Built-in Systems Interface
Permanent Fault
P1693 Remotely Controlled ECU Wake-up. Start Or Stop Requests Missing Or Invalid
Permanent Fault
U2001 Remotely Controlled ECU Wake-up. Main Wake-up Request Missing Or Invalid
Permanent Fault
Hi , did you find out the issue in the end ? I'm having a similar problem with Citroen ffs
My van 1.6hdi auto 2017
Engine starts, when my foot on brake on pedal keep is fine , as soon as I go to a(auto) engine hic ups and cuts off, says engine fault and gearbox fault, what could it be?