Welcome! We've got one member here that went over that amount. All in all, have a read around the forums, plenty of info here around ways to help overcome some issues.
Welcome! Unfortunately, I can't find anyone else that's posted about that code here. I would almost bet though you have a bad sensor that will need to be replaced. I'll move this into the engine section so hopefully it might catch someones eye there.
Welcome! We've got a million threads, but this point on how to clean it: https://www.ecodieselram.com/forum/threads/cleaned-map-sensor-and-egr-tube-wow.1400/post-12151