I seriously think that the 'repair' of EV will come down to the replacement of big chunks rather than component level repairs. 'Sorry mate' your inverter is FUBAR, need to replace it, that will be £10,000 please' - 'sorry mate the regen module has failed, £8,000 please'.... ' you need a replacement battery, we have some repaired ones that have had the known bad cells replaced but there could still be some cells in there that may fail soon'... If we are lucky we will get some money back for the old parts - like a service exchange scheme, but don't hold your breath.