Place the chicken breasts into the Instant Pot.
In a small bowl, combine the ancho chili powder, ground cumin, ground coriander, salt, and black pepper.
Rub the seasoning evenly over both sides of the chicken.
Sprinkle the minced garlic over the chicken.
Pour the fire-roasted salsa over the top.
Secure the lid and set the valve to Sealing.
Cook using the Manual or Poultry setting for 13 minutes on High Pressure.
Perform a quick release according to your Instant Pot manufacturer's instructions.
Remove the chicken and let it rest for several minutes.
Shred the chicken using two forks.
Return the shredded chicken to the cooking juices.
Stir in the chopped cilantro and toss until evenly coated.
Taste and season with additional salt if needed.
Use tongs to remove the chicken while allowing excess liquid to drain.
Fill warm tortillas with the Salsa Chicken Tacos and your favorite toppings.