If you fail the TN Driving Exam, you will not receive your TN Driver's License. Your wait time to take your TN Driving Exam will depend on your score. However, you should not rush retaking the TN Driving Exam after you have failed. You should pay attention to what your examiner indicates as your weaknesses, and you should work upon improving your weaknesses.
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What happens if I fail my TN Driving Exam?