TM48 (item)

Effects

TM48 teaches a move to a compatible Pokémon. TM48 is:

Red/Blue	Celadon City (Department Store roof - give girl Soda Pop)
Gold/Silver	Goldenrod City (Department Store - $3,000)
Ruby/Sapphire	Mt. Pyre (outside 2F)
FireRed/LeafGreen	Route 12 (northeast, requires Surf)
Diamond/Pearl	Canalave City (southeastern house)
HeartGold/SoulSilver	Saffron City (Gym - defeat Sabrina)
Black/White	Battle Subway (36BP)
Black 2/White 2	Pokémon World Tournament (18BP)
X/Y	Battle Maison (16 BP)
O.Ruby/A.Sapphire	Mauville City
Sun/Moon	Hau'oli City (Mall, at night)
Ultra Sun/Ultra Moon	Hau'oli City (Mall, at night - complete trash pickup quest)
L.G. Pikachu/L.G. Eevee	Celadon City (Department Store 2F - $100,000)
Sword/Shield	Circhester
B.Diamond/S.Pearl	Canalave City (southeastern house)

Ruby/Sapphire Emerald	Switches abilities with the foe on the turn this is used.
FireRed/LeafGreen	The user employs its psychic power to swap abilities with the foe.
Diamond/Pearl Platinum HeartGold/SoulSilver	The user employs its psychic power to exchange abilities with the foe.
Black/White Black 2/White 2	The user attacks the target with a song. Others can join in the Round and make the attack do greater damage.
X/Y O.Ruby/A.Sapphire	The user attacks the target with a song. Others can join in the Round and make the attack do greater damage.
Sun/Moon Ultra Sun/Ultra Moon	The user attacks the target with a song. Others can join in the Round to increase the power of the attack.
Sword/Shield	Boulders are hurled at the target. This also lowers the target’s Speed stat by preventing its movement.
B.Diamond/S.Pearl	The user employs its psychic power to exchange Abilities with the target.