The engine B2553 Code has a real meaning and this code is linked with the car engine. Do not use the automobile dictionary meaning for solving the car engine problem. The automobile dictionary is available online and those are not useful for solving the car engine. Read the manual of the car engine or get the automobile information like manufacturer name and model number for solving the car engine. You have to get that real meaning what has set according to the manufacturer. If the manufacturer’s meaning of the code is not used for solving the car engine, you should not try to fix the problem.