A first DUI conviction in Tennessee carries mandatory penalties that start when ready

A first driving under the influence (DUI) offense in Tennessee results in a criminal conviction, not just a traffic ticket. You will face jail time, a fine, a suspended license, and required programs — all of which begin whether you plead guilty, are found guilty at trial, or accept a plea deal. The exact length of suspension and jail time depends on your blood alcohol content (BAC) at the time of arrest and whether anyone was injured, but Tennessee law sets minimums that a judge cannot reduce.

Understanding what the state requires, what you must do to restore your driving privileges, and what your options are at each step will help you move forward with fewer surprises. This guide explains how Tennessee's DUI system works for a first offense, what documents and steps matter, and where the process typically gets stuck.

Key Takeaways

  • A first DUI in Tennessee means a mandatory minimum of 48 hours in jail, a fine between $250 and $1,150, and a license suspension of at least one year.
  • You must complete an alcohol and drug treatment program before your license can be restored, and the court will order this as part of your sentence.
  • An ignition interlock device (a breathalyzer installed in your car) is required for at least six months if your BAC was 0.08 or higher.
  • You have the right to request a hearing with the Tennessee Department of Safety and Homeland Security within seven days of arrest to challenge the license suspension.
  • A DUI conviction stays on your criminal record permanently in Tennessee and affects employment, housing, insurance, and professional licenses.

Jail time, fines, and license suspension for a first offense

Tennessee law requires a minimum of 48 hours in jail for a first DUI conviction. The maximum is 11 months and 29 days. Most first-time offenders serve the minimum or a few days more, depending on the circumstances and whether the court allows you to serve time through a work-release program or community service in place of jail.

The fine ranges from $250 to $1,150. The court sets the amount based on your BAC level and whether there were aggravating factors — such as a passenger under 18 in the car, an accident, or a BAC significantly above 0.08.

Your driver's license is suspended for a minimum of one year from the date of conviction. This is separate from any administrative suspension that may have already started when you were arrested. You cannot drive at all during this period, even with a restricted license, unless the court grants a hardship license for work or medical reasons — and this is rare for a first offense.

The alcohol and drug treatment program you must complete

Tennessee requires all DUI offenders to complete an alcohol and drug treatment program before their license can be restored. The court orders this as part of your sentence. The program is typically a 12-week outpatient course that meets one or two evenings per week, though some courts order inpatient programs for 28 days if your case involved aggravating factors.

You must pay for the program yourself — costs range from $300 to $1,500 depending on the provider and whether it is outpatient or inpatient. The court will give you a list of approved providers in your county. You cannot restore your license until you provide proof of completion to the Tennessee Department of Safety and Homeland Security.

If you do not complete the program within the timeframe the court sets (usually 12 months), your license suspension continues indefinitely until you do. Many people miss this important date because they do not understand it is a separate requirement from serving jail time or paying the fine.

The ignition interlock device requirement

If your BAC was 0.08 or higher, Tennessee law requires you to install an ignition interlock device (IID) in any vehicle you own or regularly drive. This device is a breathalyzer connected to your car's ignition. You must blow into it before the car will start, and it will not start if it detects alcohol on your breath.

The device must remain installed for a minimum of six months. You pay for installation (typically $100 to $200) and a monthly monitoring fee (usually $60 to $100). If you tamper with the device, fail a breath test, or miss a required service appointment, the violation is reported to the court and can result in additional penalties.

After six months, you can request removal, but only if you have had no violations during that time and you provide proof to the court. If you own multiple vehicles, you must install an IID in each one, or you cannot drive any of them.

Your right to challenge the license suspension

When you are arrested for DUI, the officer takes your physical license and gives you a temporary permit valid for 30 days. At the same time, the Tennessee Department of Safety and Homeland Security begins an administrative license suspension — separate from any criminal court case. This suspension can start when ready, even before you are convicted.

You have the right to request a hearing to challenge this administrative suspension within seven days of your arrest. You must request it in writing to the Department of Safety and Homeland Security. At the hearing, the state must prove that the officer had reasonable suspicion to stop you and that you refused the breath test or failed it. If you win, the suspension is lifted while your criminal case proceeds. If you lose, the suspension stands.

Many people do not know about this seven-day window and miss it. Once it passes, you cannot challenge the administrative suspension, though you can still fight the criminal charges in court.

What happens in criminal court

Your DUI case will be prosecuted in the criminal court of the county where you were arrested. You will have a first appearance within 72 hours of arrest, where you are told the charges and your rights. At this point, you can request a public defender if you cannot afford a lawyer.

Most first-time DUI cases are resolved through a plea agreement rather than trial. The prosecutor may offer to reduce the charge to reckless driving (which carries no license suspension) or to allow you to plead to DUI with a recommendation for a lighter sentence. Whether this is possible depends on the strength of the evidence, your BAC level, and whether anyone was injured.

If you go to trial, the state must prove beyond a reasonable doubt that you were driving and that your BAC was 0.08 or higher, or that you were impaired. The prosecution will present the officer's observations, any field sobriety tests, and breath or blood test results. You have the right to cross-examine the officer and challenge the accuracy of the test.

Restoring your license after conviction

To restore your license after a first DUI conviction, you must complete all court-ordered requirements: serve your jail time, pay your fine, complete the alcohol and drug treatment program, and (if required) maintain the ignition interlock device without violations for the required period.

Once you have done all this, you submit proof to the Tennessee Department of Safety and Homeland Security. They will issue you a new license. The entire process from conviction to restoration typically takes 12 to 18 months, though it can be faster if you complete the treatment program quickly.

If you were ordered to install an IID, you cannot restore your license until the device has been in your vehicle violation-free for the full required period. If you remove it early or have a violation, the clock restarts.

How a DUI conviction affects your record and future

A DUI conviction in Tennessee is a permanent criminal record. It does not disappear after a certain number of years, and you cannot have it expunged (removed from public record) unless the charges were dismissed or you were found not guilty.

This conviction will appear on background checks for employment, housing, and professional licenses. Many employers will not hire someone with a DUI, especially for jobs involving driving or working with the public. Insurance companies will raise your rates significantly or may refuse to insure you. If you hold a professional license (nursing, teaching, law, etc.), you may face disciplinary action or loss of the license.

A second DUI within 10 years of the first is treated as a felony in Tennessee, with much harsher penalties. This is why understanding your options after a first offense and avoiding a second one is critical.

Frequently Asked Questions

Can I get a restricted license to drive to work during my suspension?

Tennessee allows hardship licenses in limited circumstances, but they are rarely granted for a first DUI offense. You would need to show the court that you have no reasonable alternative transportation and that driving is essential for employment or a medical condition. Even if granted, a hardship license typically allows driving only to and from work and court-ordered programs, not for any other purpose.

What if I refused the breath test when I was arrested?

Refusing a breath or blood test in Tennessee results in an automatic one-year license suspension through the administrative process, the same as if you had failed the test. You can still be charged with DUI based on the officer's observations and field sobriety tests, even without a chemical test result. Refusal is also used as evidence against you in court.

Do I have to install an ignition interlock device if my BAC was below 0.08?

No. The IID requirement applies only if your BAC was 0.08 or higher. However, you can still be convicted of DUI if your BAC was below 0.08 but the officer observed signs of impairment. In that case, you would face jail time and a fine, but not the IID requirement.

How much will a DUI cost me in total?

Costs vary, but a first DUI typically totals $1,500 to $3,500 when you add the fine, treatment program, IID installation and monitoring, court costs, and any attorney fees. If you miss work for jail time or court appearances, the financial impact is much higher. Insurance rates also increase significantly for three to five years after conviction.

Can I get the conviction removed from my record?

No, not in Tennessee. A DUI conviction cannot be expunged unless the charges were dismissed or you were found not guilty at trial. If you plead guilty or are convicted, the record is permanent and will appear on all background checks for the rest of your life.