Question What color malfunction lamps do vehicles equipped with ABS have? Answers Green Yellow Blue Explanation Anti-Lock Braking System (ABS) malfunction lamps are usually yellow. Even if the ABS isn't working properly, a driver will still have access to the vehicle's usual braking functions. Take a FREE Practice Test Now This questions appears in the following tests: Arizona Knowledge Test Class A , Mississippi Knowledge Test Class B , New Hampshire Knowledge Test Class B , Oregon Air Brakes , South Carolina Air Brakes , Vermont Air Brakes ,