The meaning of the B2472 Code is available online as dictionary meaning but that is not useful at all and it is not used for fixing the car engine problem. Manufacturers set meanings of the engine code on the car engine and that is essential to use that meaning for solving the problem from car engine. Make sure that you have got fixed the car and you can drive the car. Do not drive the car with the engine problem. You may use the general meaning of the code for getting general information but you have no benefit from knowing the common information.