Not sure if you still have the car or issue but I have a 2023 MX which experienced similar problems recently. The first time it went into the service center they found the left FWD USS was faulting. Replaced it and no problem. This weekend, I was in a spot when both doors refused to open. Brought it into Dublin today and the technician noted the following:
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It will be a difficult fight if I want to fight the service center since it’s their experts vs amateur common sense research.