Which door(s) are we talking about here ?
The passenger seat door or the sliding door ?

The slapping technique is for the sliding door, the vibration is sufficient to operate the microswitch which indicates the end of the mechanical cycle to close the door, this gets out of sync occasionally ...

I tried the slapping and despite being a bit sceptical it did work and got the door closed. Stopped working again, but another few slaps and got it locked again. So, currently ok but get the feeling it might happen again... Will post again if there is any new info.

I had found the slapping advice ...

Hi, nope key won't lock the door either. Cleaned contacts too. It feels like the mechanism is jammed somehow. Both with the key and the switch inside it feels blocked before it gets to the locked position.

Thanks for replying. Pete

Thanks for the two responses, at least I know there are rods involved and not motors! Fingers crossed it can get fixed! Xx

Hi, I'm having the exact same issue but with the side door. As a consequence having to leave bongo Parked on street unlocked.

Did you manage to find out what the problem was ...

Hi,

this is my first post! We bought a Bongo in January and are generally very happy with it, but on looking underneath with the view to getting a tow bar fitted I noticed rust starting to show through the waxoil. We paid £8500 for the van which hurt a little at the time but we thought we were ...