The B1481 Code has different meaning and it is necessary to identify the true meaning of the code. However, for getting the correct meaning of the code, it is compulsory to read the manual and get model number with the manufacturer of the car. However, you have nothing to worry if you take car to professional. If you have all necessary kit or expensive machineries for checking, you can solve the problem. After fixing the problem, you should take the car for test drive and again you find the same problem, you should take the car to the repairing car for solving the problem.