BATTERY PACK ASSEMBLY HAVING FOAM ENCLOSURE AND METHOD OF SUPPORTING A FOAM BATTERY PACK ENCLOSURE

A traction battery pack assembly includes, among other things, a foam section of a battery pack enclosure. The foam section provides a recessed area that at least partially receives a traction battery array. A substructure assembly is partially disposed within the foam section. An attachment point is provided by the substructure assembly. The attachment point is outside the foam section.