That might be the PIM, or the coolant heater or something else. We only know the code which can indicate a lot of things.Here is the post where the owner of a 2018 PacHy said they had an issue with the PIM:
Aside from that I believe there has been one confirmed PIM problem in the Facebook group with a 2018, and possibly one failure in a 2017 after the recall was done? Maybe?
It appears the recall has been effective at solving the PIM shutdown issue. There could still be an occasional manufacturing or assembly defect involving the PIM.