owm said:Next up is to study the rain sensor which is acting intermittently when auto wipers are on. Looks like the adhesive gel pad needs to be swapped out. Also need to troubleshoot on the PDC which is non operational :/
This could be something to do with the wiper motor needing a clean out, there is a thread on here about this. It maybe the reason your wipers are acting strange
Try this viewtopic.php?f=32&t=55535&p=1066012&hilit=wiper#p1066012