Quick background: on my one-month old P85D which had no problems until now, I attempted to upgrade from 6.1 (18.104.22.168) to 6.1 (2.2.113) yesterday afternoon. The upgrade failed, although the software version does show the latest (2.2.113), and immediately after the update I got a Park Assist failure message (contact Tesla Service). After speaking to Tesla Ownership and my local SC, they pushed the update again last night. Unfortunately it failed once again and still shows the Park Assist failure (still on 2.2.113). This morning I spoke to the SC again, and after analyzing some logs, they said that the parking sensors were defective and the upgrade was failing because the firmware couldn't communicate to them. However until this failed SW update attempt, nothing was wrong and Park Assist was working just fine. The SC now says I need to get my parking sensors replaced. So I'm curious: does the SC know what they're doing and should I let them mess with the hardware, or did the update really screw it up (and more importantly, can it be fixed with just another SW update)?