While in Power Armor using the Gauss Rifle iron sights or the reflex sight the Iron sights will get locked, the player will not able able to fire the weapon, the only way to fix it is to toss a grenade or drop a fusion core to explode to unlock the iron sights.

While in Power Armor using the Gatling Laser sometimes the Fusion core is pulled from the weapon and put in the armor after a reload. The result is the Gatling Laser says you have no more fusion core ammo, the only fix is to unequip and reequip the weapon.

While in Power Armor using the Gatling Gun It does something similar to the Gatling Laser, But it equips your character with a fusion core"not the power armor", your Gatling gun shows it has no ammo must unequip the Gatling Gun and requip it for it to see ammo again. You must also unequip a fusion core from your character once you exit the power armor.

Particles for Jet Pack do not always turn off, you have a smoke texture in your first person camera and all around your character in 3rd person on the ground. The fix is sometimes fast travel will do it, but the most effective fix is to exit power armor and re-enter it.

While in Power Armor with the Tesla Coils will shock friendly npcs resulting in them becoming hostile towards you, some factions its permanent, Covenant is one of them normally happens by shocking one of the cats roaming around, also had it happen with BOS.

While in Power Armor with two of the helmet mods the recon pip, and detect life. Some npcs of friendly factions find this as hostile and will attack.