Could well be my language but the fault re-occurred for me every time I got in and drove the car. That seems to me a persistent repeat.
Flat bedded to dealer who says the fault has never occurred once.
The language that is appropriate here is Sod's Law.
I will check if they cleared the faults straight away. They did say there were many faults logged. Might be a bit late to ask for the fault log but I will try.