Meanings of the B1705 Code are different what depend on the manufacturer and model number of the car. You should check the engine light is lit or not. It is one type of test. As the meaning of the code differs from car to car, you have to check many things if you do not have all necessary information but there are some basic meanings what you need to know. The dictionary meaning of the code is important for identification of the meaning of the code. On-board diagnosis of the car is very important thing to identify the problem and fix the problem as well.