The actress was arrested for felony DUI near 1st Street and La Brea Avenue on April 5, LAPD said.
According to the city attorney's office, the 22-year-old faces two misdemeanor counts - driving under the influence and driving with a blood alcohol level of .08 or above.
Ryan was the star of the Disney Channel series "Jessie" and also had a recurring role in "The Suite Life on Deck," also with the Disney Channel.
Over the last few days I have had the chance to think about my actions, and I wish I had used better ... https://t.co/HTOd3Jv6Hk— DΞΒΒΥ RΥΛΠ (@DebbyRyan) April 13, 2016
Further details surrounding the arrest were not immediately available.