You need to have your attorney immediately begin negotiations with the probation officer. Many times treatment is used as an alternative to incarceration. You also beed counsel to represent you on the new DUI charge. A second DUI while on probation is a serious matter.
Richard is right. The options available to you will depend on the probation officer, the judge, and the facts in your case. You need to retain counsel for the probation violation and the subsequent DUI. It sounds like the attorney who represented you on the first DUI did a good job. Contacting him or her may be a good place to start.
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