DUAL Here3+ Prearm: GPS2 Not Healthy when connected them on SAME CAN PORT

After working on this issue last month with @ceng, we found that FDcan also allows this error message to go away. However, the GPS units cannot be taken out of FDmode. Is there a way to factory reset the GPS units which are in FDcan mode, in order to update them to the new beta software?

The issue is discussed here: