It will not elevate the probation charge to a felony. He could very well serve the remainder of his probation plus the jail time for the new charge. Sounds like he would qualify for a public defender he needs to contact them ASAP.
You need to contact an attorney in that jurisdiction. In TN you cannor resolve a criminal matter without appearing in court but that is different in each state. You do not want to take the risk of having it entered into NCIC as you then could be arrested and held until PA came and got you.
Pursant to the TN statue if found guilty of a DUI then the probtion must be supervised. Even though alll conditions are met with your probation you are still under the supervisin of the court until the end of the 11 month and 29 days. A probation officer wuld have the authority to continue monitoring you.
Unfortunatley you are not in a unique position. There are several states thea put lifetime suspensions on license. Tennessee will not grant you a license as long as the hold is still in FL. I would talk to a Florida attorney that works with the license agency to see what remedy you have. Once the hold in FL is off you would be eligible in TN.
Yes a lawyer is critical in this case one a new criminal charge and with revoked license for a DUI is mandarory jail time and another year loss of license without any type of a restricted. It also appears that he may have been on probation still for the DUI and that means the arrest could trigger a probation violation with the possibility of serving his prior sentence along with the new charge.