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Thank you both @GregFordyce , @Kiev The fuses not blown. However, I have earlier swapped the fuses from the OEM to some mini fuses that looked kinda alike BUT longer. After swapping them back the socket for the fuse turned out to be too loose to get a good connection. The yellow block holding...

Dear @Kiev , @GregFordyce , @Don I really don't know how to thank you all. You have all made this forum extremely valuable for me. I will say it again, considering that you have spent your valuable time helping me get things straight. I really really appericiate you all with your competence...

I tried to clear all codes, and also tickle no. 25 and 26 - unfortunately, with no progress. I want to explain some further symptoms as I think it will be easier to diagnose. It does not seem like the car has power on "important" parts when the key is off. For example 1. tailgate wont open...

Thanks for the advice. Will do. After browsing through the service manual I found that three of the codes are related to the ECU and CAN communication. When clicking the arrow regarding the ECU fuse - something interesting happend. They want fuse 25 and 26 checked - but these are for Audio...

Hello everyone! First of all, thank you all for sticking with me on the post. I’ve recently bought an iCarsoft CR Pro diagnostics tool and managed to obtain fault codes from the car. I have tried to do a little research on the code descriptions on MMC service manual - however, things are...

That was initially the plan - and I still do want to knock those two problems out of the world before anything - as I think this is somehow connected.. However, I'm kinda stuck at the moment. Fuses and relays on the ETAC-ECU are checked ok, same with the fuses and relays under the hood. I am...

You're right - I should probably use a scan tool to begin with before dismantling and checking the DC-DC converter, as it possibly can be the OBC that has issues. I took the top screws out of the DCDC today, however - I did not manage to get the head out of the unit, as it seems like its glued...

Thanks for your reply. First of all, I've tried to swap out the auxiliary battery with a brand new one - without solving the problem. Furthermore, when I test the current battery with multimeter VDC I get a reading of 12.4V. When I crank the key and get the car in "READY", the aux battery...

Hi! I’ve tested all fuses and visible relays on all fuseboxes - nothing seems to be off. Though, I did not find the «passenger side fuse». (EDIT: actually, there is thee relays on the right hand side of the ECTAC-ECU that has not been checked yet, missed by my) The 12volt battery was charging...

I checked the fuses on the positive therminal today, they looked okay. Thanks for the heads up on disconnecting the negative therminal before continuity testing. I will test all the fuses tomorrow to confirm they are all in tact. Can you elaborate the 3 fusebox part? Is there a third one, or...

Do you think its a good start to buy a relay tester kit and test all the relays in the hood and underneath the steering wheel?

Thank you for your reply. That is sad news, however - I am not giving up on efforts yet. I checked for continuity with a multimeter when key was off - and therefore, made a wire for the radio from the "Door locking." 15A fuse with a piggyback fuse. Then the 10amp fuse on the piggyback blew...

(Citroen C-zero 2012) Hi. I've piggyback'd a fuse in the fusebox for a constant voltage in order to make an aftermarket radio work(see my earlier posts). However, now - the vehicle does not want to charge (neither shucko nor type 2). All mini fuses are checked ok continuity, both the inside...

I can now confirm that there’s no constant power on any wires, voltage on red (9.5volts) and green (14.5volts) only when ignition is on

I will re-test tomorrow - as of todays test with key off, I got 0 voltage on all three wires (red,green,black) when having black probe on the metal and red probe on the wires. If I confirm this tomorrow (that none of them has constant power) - what would be the next move? I bought a piggyback...

Hi. I bought a new car stereo - Fence Audio, which has standard ISO contacts. I also had to buy an ISO adapter to the quadlock. However - I've faced some difficulities. The stereo illuminates for 3 seconds when i turn on the ignition, however - after those seconds it turns off again. Eject...

Thank you for your reply. I've tried to interpret the scheme - however, I cant seem to match it with the original harness. Looks like the quadlock and the scheme are not alike. The radio fuse (10A) in the cabin is checked and replaced. But what is your suggestion at this point of time? :)

Hi. I bought a new car stereo - Fence Audio, which has standard ISO contacts. I also had to buy an ISO adapter to the quadlock. However - I've faced some difficulities. The stereo illuminates for 3 seconds when i turn on the ignition, however - after those seconds it turns off again. Eject...

I am having exactly the same issue with my C-Zero 2011. Did you manage to solve this? My wires did not have any voltage when ignition is off.

Hi. I just registered in hope for you guys to help me - I would really appericiate it as we two have the same problem! I also tested my wires, all showed 0volt when no ignition. Ive tested the cigarette lighter thing, it had 14.4 volt when car was on. The green wire showed 14.4 volt aswell...