Why wont my car boot wont open on my citren berlingo ?

Steering was the subject of a recall!

https://car-recalls.eu/recall/citroen-berlingo-2019/

https://www.vehicle-recall.co.uk/make/CITROEN/BERLINGO

https://www.google.com/search?q=2020+citroen+Berlingo+power+steering+issues

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Take the license plate off and cut a whole there to gain assess into the trunk and open. May fix problem and welder or just put the plate back

sounds like the wiring around the boot hinge has broken needs reconnecting or replaced by new wiring it fractures with open and closing the boot

You need to pump the hydraulics manually, to do this first sit on boot and press boot button for a few seconds without allowing the boot to open. Partially allow boot to open, manually push boot all the way open and closed a dozen or so times to manually pump hydraulics. I had same prob, this sounds extreme but does work and wont cost you a penny.

How to set timing on a citroen berlingo 1.9 dieselThat's the question....butwhere's the answer? Diesel pump positioning? (Done Cam & Flywheel locked.....)

we had the same problem with our NIssan Note- - some times its the mircoswitch that unlocks the boot, - sometimes its a break in the wiring- for us, it was the wiring- Where the loom leaves the car body to go into the tailgate, the wires get bent to and fro alot, and fatigue -> break. SO:
Climb inside the car, remove the plastic panel from the inside of the boot , then reach inside the boot for the tailgate latch. Ours had a plastic cover over which took some wriggling to get off, then we released the lock manually.one the boot was open 1 we checked for power supply to the switch and motor: there was none.
2 we looked at the wiring supply to the boot (top right hand side). We snipped the rubber boot,opened it up, we found three wires broken, supplying the micro switch for the lock, and the number plate lights...
3 we soldered them and hey presto, it worked fine again- we had to work out which supplied which , which was fun!

i would hazard a guess and say that wires in the rubber boot from the door pilar to the door are damaged or the connection block in the door pillar in this the terminals are corroded or something similar

same has happened to mine, boot opening when driving. now it wont open, apparantly its the tailgate solinoid and the boot switch, this happen with water coming in, im trying to get mine sorted without having new parts from a scrappie

Look under the hood on top of the radiator there is usually some type of a sticker there which show the pulley setup

you need to fold down back seats and remove boot panel from inside {bring torch} then pull on little bars that connect to door lock one will click then you should be able to pull the handle and open the door.