Did they tell ya anything else they did??? I have not had that up-date done or had the covers replaced, I have had no warning lights come on. Did they say there had been any moisture in the fuse boxes??
When I took my fuse box covers off when the problem was there yes there was moisture on the covers. If you did not get this done I would take it in and have them do it there is also 2 bolts they replace for the belt guard cover dont know what the importance is there maybe they come loose.