One problem related to tire bulge has been reported for the 1999 Toyota Land Cruiser. The most recently reported issues are listed below.
I have a set of tire I purchased dot b73r c4ux 3111 ltx/ms size: p275/70r16 one tire has exhibited tread/belt separation. I have a large bulge in the center of the tread with excessive air loss. I have read that there are several recalls on this type tire although this size is not listed.