The dictionary meaning of the B2220 Code is not important thing. You need to get the real meaning of the code if you want to solve the problem from the car engine. You have to have all expensive machines and idea how to solve the car engine. The dictionary meaning for the code is general thing and that meaning is not important thing for solving the problem. The dictionary meaning is found from online and it is easy to use for solving the general issue from the car engine. Do not drive the car until you fix the car engine.