MkII L&K 2006 1.9 DSG with remote locking. The electric boot motor keeps popping the hatchback open by itself.
It's not a key problem (same problem with both main and spare key)
It's not an IT problem (excellent local independent workshop has run a diagnosis)
The problem is intermittent; it can happen when I'm unlocking the car, when I switch on, when I pull away, or when I have stopped and am locking the car. Worse still, it doesn't happen at all when the car is in the excellent local workshop. If there's a pattern, this seems to happen most when it has been raining or humidity is high, but it also happens in dry weather.
Any ideas? Thank you.