The B1745 Code has a meaning and this meaning of the code is related with the engine of the car. You cannot solve the problem from the engine if you have no any idea of the car problem. You need to know the dictionary meaning what will help you to get the meaning of the code and solve it quick. The code, you will get in different automobiles but as the meaning for those cars are not same, you will face several problems. You should know the name of the manufacturer and model number of the car for solving all issues from the car engine.