The stunning star - who plays sexy Ana Lucia in the hit show - was charged with driving under the influence after being stopped in Hawaii on Wednesday (01.12.05).
The actress was released on US$500 bail and must now attend a driver's license hearing.
Last year, brunette Rodriguez reportedly pleaded no contest to three misdemeanours - a hit and run, driving with a suspended license, and driving under the influence.
She completed an alcohol program and is serving a three-year probation term.
If police decide the 27-year-old - who plays a police officer in 'Lost' - has violated her probation, she could face prison.
Frank Mateljan, a spokesman for the Los Angeles City Attorney's Office, said: "We always take DUI matters seriously.
"It's always disappointing to see someone, especially a rising star on a hit show, allegedly fall back on these patterns."
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