The meaning of the B2224 Code is found online for free and that is dictionary meaning. This code explains the problem of the engine and the automobile engineer needs to use the real meaning. So, he needs to know the manufacturer name and model number. The dictionary meaning of the code is simple meaning and it is found online. You do not need to know the general meaning of the dictionary meaning to solve the problem of the car engine. You need to get the real meaning and you will find all information from the manual of the car and if you read the engine manual, it helps you more.