Same problem as all of you. I called Pioneer and they mentioned there have been Firmware updates to the AVH-P42000DVD, however I would have to visit an authorized service agent here in the US. I was told that they really didn't know if this firmware update would address the issue but it was their only suggestion. Great.
So I called the closet service agent to me, I live in Florida, closest location was Arlington TX, wtf. Anyway, here's there info if anyone else wants to try: Jots, 817 652 3622. They said yes they do have the firmware update and I would have to ship the headunit in to