What happens if you don’t pass the air brakes endorsement test? Question What happens if you don’t pass the air brakes endorsement test? Answers You won’t be permitted to drive a vehicle with air brakes. Your CDL will include an air brake endorsement marked with an asterisk. Your CDL will be invalid. Explanation If you do not take or pass the air brakes test, you will be restricted to operating vehicles without air brakes. This questions appears in the following tests: Arkansas Class A Knowledge Test Connecticut Class B Knowledge Test South Dakota Class B Knowledge Test Tennessee Class B Knowledge Test Utah Class A Knowledge Test
