vada sensor error

Hi I have a Volvo 2019 x15 engine with the lovely Vada sensor system. Some months ago an air popped up saying there was no connection and the cruise control would stop working. It would randomly fix itself. Finally Volvo replaced the plug that goes into the sensor. Problem is happening again and a different Volvo says it might be the relay which I assume is the cord that runs from the sensor through the engine up into the dash or wherever. It could be pinched or corroded. Is there any way to get my cruise control back before this issue can be looked at and does that sound like the logical explanation unless it's the actual sensor itself malfunctioning which is a very expensive replacement