It was originally known as Total FM and then La Número Uno.
Grupo Radio Monte is owned by Héctor Álvarez Contreras, a one-time deputy to the Jalisco state legislature.
In 2019, the station began broadcasting Origen Radio full-time as a rimshot into Guadalajara.
Origen had briefly broadcast on 1510 XEPBGR-AM prior to moving to 99.1.
The Federal Telecommunications Institute denied a renewal of XHZAM-FM's concession on September 8, 2021, as filed too late.