The B2246 Code comes from the car engine reader due to fail the test of the car engine. Meaning of the code is necessary of the code but dictionary meaning of the code is not real or improper for solving the car engine problem. If you are experience of solving the car engine problem, you have nothing to worry. You know what things you need to solve the problem of the car engine. Now you need to use some expensive machines and tools for solving the car engine problem. Drive the car for test when the engine problem is solved.