HEAT grill to medium heat.
MIX 1 Tbsp. lime juice, dressing and cumin. Grill fish 4 min. on each side or until fish flakes easily with fork, brushing occasionally with dressing mixture. Meanwhile, grill tortillas 1 min. or just until warmed, turning after 30 sec.; wrap in foil or towel to keep warm.
COMBINE remaining lime juice, mayo and cilantro in medium bowl. Add coleslaw blend; toss to coat. Use fork to break fish into bite-size pieces.
TOP tortillas with coleslaw, fish and cheese; roll up.