Luscious Four-Layer PHILLY Pumpkin Cake

INGREDIENTS

• 1 (18.25 ounce) package yellow cake mix
• 1 (14 ounce) can pumpkin, divided
• 1/2 cup milk
• 1/3 cup vegetable oil
• 4 eggs
• 1 1/2 teaspoons pumpkin pie spice, divided
• 1 (250 g) package PHILADELPHIA Brick Cream Cheese, softened
• 1 cup icing sugar
• 3 cups thawed COOL WHIP Whipped Topping
• 1/2 cup caramel ice cream topping
• 1/2 cup chopped toasted pecans